{"id":2919,"date":"2026-04-14T04:25:38","date_gmt":"2026-04-14T04:25:38","guid":{"rendered":"https:\/\/multahost.com\/blog\/?p=2919"},"modified":"2026-04-14T04:32:51","modified_gmt":"2026-04-14T04:32:51","slug":"vos3000-%e6%8c%82%e6%96%ad%e5%8e%9f%e5%9b%a0-503","status":"publish","type":"post","link":"https:\/\/multahost.com\/blog\/vos3000-%e6%8c%82%e6%96%ad%e5%8e%9f%e5%9b%a0-503\/","title":{"rendered":"VOS3000 \u6302\u65ad\u539f\u56e0 503\uff1aSIP 503\/408 \u9519\u8bef Fast Easy \u89e3\u51b3\u65b9\u6cd5"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\" id=\"vos-3000-\u6302\u65ad\u539f\u56e0-503-\uff1asip-503-408-\u9519\u8bef-fast-\u89e3\u51b3\u65b9\u6cd5\">VOS3000 \u6302\u65ad\u539f\u56e0 503\uff1aSIP 503\/408 \u9519\u8bef Fast \u89e3\u51b3\u65b9\u6cd5<\/h1>\n\n\n\n<p>\u5728VoIP\u8fd0\u8425\u4e2d\uff0c<strong>VOS 3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u662f\u6700\u5e38\u89c1\u4e14\u5f71\u54cd\u6700\u5927\u7684\u547c\u53eb\u6545\u969c\u4e4b\u4e00\u3002\u5f53\u60a8\u7684VOS3000\u8f6f\u4ea4\u6362\u7cfb\u7edf\u6301\u7eed\u51fa\u73b0SIP 503 Service Unavailable\u6216SIP 408 Request Timeout\u9519\u8bef\u65f6\uff0c\u4e0d\u4ec5\u4f1a\u9020\u6210\u5927\u91cf\u901a\u8bdd\u5931\u8d25\u3001\u5ba2\u6237\u6295\u8bc9\u6fc0\u589e\uff0c\u8fd8\u4f1a\u76f4\u63a5\u5bfc\u81f4\u8425\u6536\u635f\u5931\u548c\u8fd0\u8425\u6548\u7387\u4e0b\u964d\u3002\u5f88\u591aVoIP\u8fd0\u8425\u5546\u9762\u5bf9\u8fd9\u7c7b\u9519\u8bef\u65f6\u5f80\u5f80\u65e0\u4ece\u4e0b\u624b\uff0c\u56e0\u4e3a\u4ed6\u4eec\u4e0d\u6e05\u695a503\u548c408\u9519\u8bef\u7684\u6839\u672c\u533a\u522b\uff0c\u4e5f\u4e0d\u4e86\u89e3\u5e76\u53d1\u9650\u5236\uff08Line Limit\uff09\u4e0eCPS\u9650\u5236\uff08Calls Per Second\uff09\u5bf9\u547c\u53eb\u6210\u529f\u7387\u7684\u5f71\u54cd\uff0c\u66f4\u4e0d\u4f1a\u914d\u7f6e\u6545\u969c\u8f6c\u79fb\uff08Failover\uff09\u8def\u7531\u6765\u4fdd\u969c\u4e1a\u52a1\u8fde\u7eed\u6027\u3002\u672c\u6587\u5c06\u57fa\u4e8eVOS3000 2.1.9.07\u5b98\u65b9\u624b\u518c\u7684\u6280\u672f\u7ec6\u8282\uff0c\u7cfb\u7edf\u6027\u5730\u8bb2\u89e3<strong>VOS3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u7684\u5b8c\u6574\u6392\u67e5\u6d41\u7a0b\u548c\u89e3\u51b3\u65b9\u6cd5\uff0c\u5e2e\u52a9\u60a8\u5feb\u901f\u6062\u590d\u7cfb\u7edf\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n\n\n\n<p>\u65e0\u8bba\u60a8\u662f\u521a\u63a5\u89e6VOS3000\u7684\u65b0\u624b\u8fd0\u7ef4\uff0c\u8fd8\u662f\u5e0c\u671b\u4f18\u5316\u73b0\u6709\u7cfb\u7edf\u7684\u8d44\u6df1\u5de5\u7a0b\u5e08\uff0c\u672c\u6307\u5357\u90fd\u80fd\u4e3a\u60a8\u63d0\u4f9b\u5b9e\u7528\u7684\u914d\u7f6e\u65b9\u6cd5\u548c\u6392\u9519\u601d\u8def\u3002\u5982\u9700\u7d27\u6025\u6280\u672f\u652f\u6301\uff0c\u8bf7\u968f\u65f6\u901a\u8fc7WhatsApp\u8054\u7cfb\u6211\u4eec\uff1a<strong>+8801911119966<\/strong>\u3002<\/p>\n\n\n\n<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><h2>Table of Contents<\/h2><nav><ul><li><a href=\"#vos-3000-\u6302\u65ad\u539f\u56e0-503-\uff1asip-503-408-\u9519\u8bef-fast-\u89e3\u51b3\u65b9\u6cd5\">VOS3000 \u6302\u65ad\u539f\u56e0 503\uff1aSIP 503\/408 \u9519\u8bef Fast \u89e3\u51b3\u65b9\u6cd5<\/a><ul><li><a href=\"#\ud83d\udcde-\u4e00\u3001-vos-3000-\u6302\u65ad\u539f\u56e0-503-\u4e0e-sip-408-\u9519\u8bef\u6df1\u5ea6\u5206\u6790\">\ud83d\udcde \u4e00\u3001VOSS3000 \u6302\u65ad\u539f\u56e0 503 \u4e0e SIP 408 \u9519\u8bef\u6df1\u5ea6\u5206\u6790<\/a><ul><li><a href=\"#\ud83d\udccb-cd-r\u6302\u65ad\u539f\u56e0\u7801\u4e0e-503-408-\u5bf9\u5e94\u5173\u7cfb\">\ud83d\udccb CDR\u6302\u65ad\u539f\u56e0\u7801\u4e0e503\/408\u5bf9\u5e94\u5173\u7cfb<\/a><\/li><\/ul><\/li><li><a href=\"#\u26a1-\u4e8c\u3001\u5e76\u53d1\u9650\u5236\u4e0ecps\u9650\u5236\u7684\u6838\u5fc3\u533a\u522b\">\u26a1 \u4e8c\u3001\u5e76\u53d1\u9650\u5236\u4e0eCPS\u9650\u5236\u7684\u6838\u5fc3\u533a\u522b<\/a><ul><li><a href=\"#\ud83d\udd27-\u5e76\u53d1\u9650\u5236\u914d\u7f6e\u8be6\u89e3\">\ud83d\udd27 \u5e76\u53d1\u9650\u5236\u914d\u7f6e\u8be6\u89e3<\/a><\/li><li><a href=\"#\ud83d\udea6-cps\u9650\u901f\u914d\u7f6e\u8be6\u89e3\">\ud83d\udea6 CPS\u9650\u901f\u914d\u7f6e\u8be6\u89e3<\/a><\/li><\/ul><\/li><li><a href=\"#\ud83d\udd0d-\u4e09\u3001\u4f7f\u7528\u547c\u53eb\u5206\u6790\u5de5\u5177\u8bca\u65ad-vos-3000-\u6302\u65ad\u539f\u56e0-503\">\ud83d\udd0d \u4e09\u3001\u4f7f\u7528\u547c\u53eb\u5206\u6790\u5de5\u5177\u8bca\u65adVOSS3000 \u6302\u65ad\u539f\u56e0 503<\/a><\/li><li><a href=\"#\ud83d\udd04-\u56db\u3001-failover\u6545\u969c\u8f6c\u79fb\u8def\u7531\u914d\u7f6e\u6280\u5de7\">\ud83d\udd04 \u56db\u3001Failover\u6545\u969c\u8f6c\u79fb\u8def\u7531\u914d\u7f6e\u6280\u5de7<\/a><ul><li><a href=\"#\u2699\ufe0f-failover\u914d\u7f6e\u6b65\u9aa4\">\u2699\ufe0f Failover\u914d\u7f6e\u6b65\u9aa4<\/a><\/li><\/ul><\/li><li><a href=\"#\ud83c\udf10-\u4e94\u3001\u4f9b\u5e94\u5546sip\u4e2d\u7ee7\u65e0\u54cd\u5e94\u8bca\u65ad\u4e0e-cent-os-7-udp\u7f13\u51b2\u8c03\u4f18\">\ud83c\udf10 \u4e94\u3001\u4f9b\u5e94\u5546SIP\u4e2d\u7ee7\u65e0\u54cd\u5e94\u8bca\u65ad\u4e0eCentOS 7 UDP\u7f13\u51b2\u8c03\u4f18<\/a><\/li><li><a href=\"#\ud83d\udee1\ufe0f-\u516d\u3001\u9884\u9632-vos-3000-\u6302\u65ad\u539f\u56e0-503-\u7684\u6700\u4f73\u5b9e\u8df5\">\ud83d\udee1\ufe0f \u516d\u3001\u9884\u9632VOS 3000 \u6302\u65ad\u539f\u56e0 503 \u7684\u6700\u4f73\u5b9e\u8df5<\/a><\/li><li><a href=\"#\ud83d\udd17-\u76f8\u5173\u8d44\u6e90\">\ud83d\udd17 \u76f8\u5173\u8d44\u6e90<\/a><\/li><li><a href=\"#\u5e38\u89c1\u95ee\u9898\u89e3\u7b54\">\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/a><ul><li><a href=\"#\u2753-\u95ee\u9898-1-\uff1a-vos-3000-\u6302\u65ad\u539f\u56e0-503-\u548c-sip-408-\u9519\u8bef\u6709\u4ec0\u4e48\u6839\u672c\u533a\u522b\uff1f\">\u2753 \u95ee\u98981\uff1aVOS 3000 \u6302\u65ad\u539f\u56e0 503 \u548c SIP 408 \u9519\u8bef\u6709\u4ec0\u4e48\u6839\u672c\u533a\u522b\uff1f<\/a><\/li><li><a href=\"#\u2753-\u95ee\u9898-2-\uff1a\u5e76\u53d1\u9650\u5236\uff08-line-limit\uff09\u548c-cps\u9650\u5236\uff08-rate-limit\uff09\u5982\u4f55\u5f71\u54cd-503-\u9519\u8bef\uff1f\">\u2753 \u95ee\u98982\uff1a\u5e76\u53d1\u9650\u5236\uff08Line Limit\uff09\u548cCPS\u9650\u5236\uff08Rate Limit\uff09\u5982\u4f55\u5f71\u54cd503\u9519\u8bef\uff1f<\/a><\/li><li><a href=\"#\u2753-\u95ee\u9898-3-\uff1a\u5982\u4f55\u914d\u7f6e-failover\u6545\u969c\u8f6c\u79fb\u6765\u907f\u514d-503-\u9519\u8bef\u5bfc\u81f4\u901a\u8bdd\u4e2d\u65ad\uff1f\">\u2753 \u95ee\u98983\uff1a\u5982\u4f55\u914d\u7f6eFailover\u6545\u969c\u8f6c\u79fb\u6765\u907f\u514d503\u9519\u8bef\u5bfc\u81f4\u901a\u8bdd\u4e2d\u65ad\uff1f<\/a><\/li><li><a href=\"#\u2753-\u95ee\u9898-4-\uff1a-cent-os-7-\u7684ud-p\u7f13\u51b2\u533a\u8c03\u4f18\u5bf9-vos-3000-\u6027\u80fd\u6709\u4ec0\u4e48\u5f71\u54cd\uff1f\">\u2753 \u95ee\u98984\uff1aCentOS 7\u7684UDP\u7f13\u51b2\u533a\u8c03\u4f18\u5bf9VOS3000\u6027\u80fd\u6709\u4ec0\u4e48\u5f71\u54cd\uff1f<\/a><\/li><li><a href=\"#\u2753-\u95ee\u9898-5-\uff1a\u4e3a\u4ec0\u4e48\u7f51\u5173\u6709\u53ef\u7528\u7ebf\u8def\u4ecd\u7136\u51fa\u73b0-503-\u9519\u8bef\uff1f\">\u2753 \u95ee\u98985\uff1a\u4e3a\u4ec0\u4e48\u7f51\u5173\u6709\u53ef\u7528\u7ebf\u8def\u4ecd\u7136\u51fa\u73b0503\u9519\u8bef\uff1f<\/a><\/li><li><a href=\"#\u2753-\u95ee\u9898-6-\uff1ass-max-cps\u53c2\u6570\u8bbe\u7f6e\u8fc7\u9ad8\u6216\u8fc7\u4f4e\u4f1a\u6709\u4ec0\u4e48\u5f71\u54cd\uff1f\">\u2753 \u95ee\u98986\uff1aSS_MAX_CPS\u53c2\u6570\u8bbe\u7f6e\u8fc7\u9ad8\u6216\u8fc7\u4f4e\u4f1a\u6709\u4ec0\u4e48\u5f71\u54cd\uff1f<\/a><\/li><li><a href=\"#\u2753-\u95ee\u9898-7-\uff1a\u5982\u4f55\u4f7f\u7528-debug-trace\u6df1\u5165\u5206\u6790-vos-3000-\u6302\u65ad\u539f\u56e0-503-\uff1f\">\u2753 \u95ee\u98987\uff1a\u5982\u4f55\u4f7f\u7528Debug Trace\u6df1\u5165\u5206\u6790VOS 3000 \u6302\u65ad\u539f\u56e0 503\uff1f<\/a><\/li><\/ul><\/li><li><a href=\"#\u83b7\u53d6\u4e13\u4e1a-vos-3000-\u6280\u672f\u652f\u6301\">\u83b7\u53d6\u4e13\u4e1aVOS3000\u6280\u672f\u652f\u6301<\/a><\/li><li><a href=\"#\ud83d\udcde-need-call-center-setup-support\">\ud83d\udcde Need Professional VOS3000 Setup Support?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udcde-\u4e00\u3001-vos-3000-\u6302\u65ad\u539f\u56e0-503-\u4e0e-sip-408-\u9519\u8bef\u6df1\u5ea6\u5206\u6790\">\ud83d\udcde \u4e00\u3001VOSS3000 \u6302\u65ad\u539f\u56e0 503 \u4e0e SIP 408 \u9519\u8bef\u6df1\u5ea6\u5206\u6790<\/h2>\n\n\n\n<p>\u8981\u6709\u6548\u89e3\u51b3<strong>VOS 3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u95ee\u9898\uff0c\u9996\u5148\u5fc5\u987b\u51c6\u786e\u7406\u89e3SIP 503\u548cSIP 408\u4e24\u79cd\u9519\u8bef\u7801\u7684\u542b\u4e49\u548c\u89e6\u53d1\u673a\u5236\u3002\u6839\u636eVOS3000 2.1.9.07\u624b\u518c\u7b2c4.5\u8282\uff08Call End Reasons\uff09\u7684\u8bf4\u660e\uff0c\u4e0d\u540c\u7684\u6302\u65ad\u539f\u56e0\u7801\u5bf9\u5e94\u7740\u4e0d\u540c\u7684\u6545\u969c\u6839\u6e90\uff0c\u9519\u8bef\u5730\u89e3\u8bfb\u8fd9\u4e9b\u7801\u4f1a\u5bfc\u81f4\u6392\u67e5\u65b9\u5411\u5b8c\u5168\u504f\u79bb\u3002SIP 503 Service Unavailable\u8868\u793a\u76ee\u6807\u670d\u52a1\u5668\u6216\u7f51\u5173\u6682\u65f6\u65e0\u6cd5\u5904\u7406\u547c\u53eb\u8bf7\u6c42\uff0c\u901a\u5e38\u610f\u5473\u7740\u4f9b\u5e94\u5546\u4e2d\u7ee7\u6545\u969c\u3001\u5e76\u53d1\u901a\u8bdd\u6570\u5df2\u8fbe\u4e0a\u9650\u6216\u8def\u7531\u7f51\u5173\u4e0d\u53ef\u7528\u3002\u800cSIP 408 Request Timeout\u5219\u8868\u793aVOS3000\u53d1\u51fa\u4e86INVITE\u8bf7\u6c42\u4f46\u5728\u5b9a\u65f6\u5668\u8d85\u65f6\u524d\u672a\u6536\u5230\u4efb\u4f55\u54cd\u5e94\uff0c\u8fd9\u662f\u5178\u578b\u7684\u7f51\u7edc\u8fde\u901a\u6027\u95ee\u9898\u3002<\/p>\n\n\n\n<p>\u5728\u5b9e\u9645\u8fd0\u8425\u4e2d\uff0c\u8fd9\u4e24\u79cd\u9519\u8bef\u5e38\u5e38\u4ea4\u7ec7\u51fa\u73b0\u3002\u4f8b\u5982\uff0c\u5f53\u4e3b\u7528\u7f51\u5173\u56e0503\u4e0d\u53ef\u7528\u65f6\uff0cVOS3000\u5c1d\u8bd5\u5207\u6362\u5230\u5907\u7528\u7f51\u5173\uff0c\u4f46\u5982\u679c\u5907\u7528\u7f51\u5173\u5b58\u5728\u7f51\u7edc\u95ee\u9898\uff0c\u53c8\u4f1a\u4ea7\u751f408\u8d85\u65f6\u3002\u8fd9\u79cd\u7ea7\u8054\u6545\u969c\u8ba9\u5f88\u591a\u8fd0\u7ef4\u4eba\u5458\u8bef\u4ee5\u4e3a\u95ee\u9898\u51fa\u5728VOS3000\u672c\u8eab\uff0c\u800c\u5b9e\u9645\u4e0a\u6839\u672c\u539f\u56e0\u662f\u7f51\u5173\u914d\u7f6e\u548c\u7f51\u7edc\u67b6\u6784\u4e0d\u591f\u5065\u58ee\u3002\u56e0\u6b64\uff0c\u7cfb\u7edf\u6027\u5730\u5206\u6790\u6bcf\u4e00\u79cd\u6302\u65ad\u539f\u56e0\u5e76\u5236\u5b9a\u5bf9\u5e94\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u624d\u662f\u6b63\u786e\u7684\u65b9\u6cd5\u8bba\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udd22 SIP\u9519\u8bef\u7801<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udcdb \u9519\u8bef\u540d\u79f0<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udd0d \u6839\u56e0\u5206\u7c7b<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udee0\ufe0f \u6838\u5fc3\u6392\u67e5\u65b9\u5411<\/th><\/tr><tr><td><strong>503<\/strong><\/td><td>Service Unavailable<\/td><td>\u7f51\u5173\u5bb9\u91cf\/\u914d\u7f6e\u95ee\u9898<\/td><td>\u68c0\u67e5\u7f51\u5173\u72b6\u6001\u3001\u7ebf\u8def\u9650\u5236\u3001\u8def\u7531\u914d\u7f6e<\/td><\/tr><tr><td><strong>408<\/strong><\/td><td>Request Timeout<\/td><td>\u7f51\u7edc\u8fde\u901a\u6027\u95ee\u9898<\/td><td>\u68c0\u67e5\u9632\u706b\u5899\u3001\u7f51\u5173IP\u3001SIP\u7aef\u53e3\u3001\u7f51\u7edc\u8def\u7531<\/td><\/tr><tr><td><strong>480<\/strong><\/td><td>Temporarily Unavailable<\/td><td>\u7ec8\u7aef\u672a\u6ce8\u518c<\/td><td>\u68c0\u67e5\u7ec8\u7aef\u6ce8\u518c\u72b6\u6001<\/td><\/tr><tr><td><strong>502<\/strong><\/td><td>Bad Gateway<\/td><td>\u4e0a\u6e38\u670d\u52a1\u5668\u5f02\u5e38<\/td><td>\u68c0\u67e5\u4f9b\u5e94\u5546\u670d\u52a1\u5668\u72b6\u6001<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83d\udccb-cd-r\u6302\u65ad\u539f\u56e0\u7801\u4e0e-503-408-\u5bf9\u5e94\u5173\u7cfb\">\ud83d\udccb CDR\u6302\u65ad\u539f\u56e0\u7801\u4e0e503\/408\u5bf9\u5e94\u5173\u7cfb<\/h3>\n\n\n\n<p>\u5728VOS3000\u7684CDR\uff08\u547c\u53eb\u8be6\u7ec6\u8bb0\u5f55\uff09\u4e2d\uff0c<strong>VOS 3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u901a\u5e38\u663e\u793a\u4e3a&#8221;NoAvailableRouter&#8221;\u6216&#8221;AllGatewayBusy&#8221;\u7b49\u7ec8\u6b62\u539f\u56e0\u3002\u7406\u89e3\u8fd9\u4e9bCDR\u7ec8\u6b62\u539f\u56e0\u4e0eSIP\u9519\u8bef\u7801\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u662f\u5feb\u901f\u5b9a\u4f4d\u6545\u969c\u7684\u5173\u952e\u7b2c\u4e00\u6b65\u3002\u5f53\u60a8\u5728VOS3000\u7ba1\u7406\u754c\u9762\u4e2d\u6253\u5f00&#8221;\u6570\u636e\u67e5\u8be2 > CDR\u67e5\u8be2&#8221;\u65f6\uff0c\u6bcf\u6761\u901a\u8bdd\u8bb0\u5f55\u90fd\u5305\u542b\u4e00\u4e2a&#8221;\u7ec8\u6b62\u539f\u56e0&#8221;\u5b57\u6bb5\uff0c\u8be5\u5b57\u6bb5\u76f4\u63a5\u544a\u8bc9\u60a8\u547c\u53eb\u5931\u8d25\u7684\u5177\u4f53\u539f\u56e0\u3002\u5173\u4e8e\u66f4\u5b8c\u6574\u7684\u6302\u65ad\u539f\u56e0\u7801\u8bf4\u660e\uff0c\u5efa\u8bae\u53c2\u8003\u6211\u4eec\u7684<a href=\"https:\/\/multahost.com\/blog\/vos3000-call-end-reasons\/\" target=\"_blank\" rel=\"noreferrer noopener\">VOS3000\u6302\u65ad\u539f\u56e0\u5b8c\u6574\u89e3\u6790<\/a>\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udccb CDR\u7ec8\u6b62\u539f\u56e0<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udd22 \u5bf9\u5e94SIP\u7801<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udcdd \u542b\u4e49<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udee0\ufe0f \u89e3\u51b3\u64cd\u4f5c<\/th><\/tr><tr><td>NoAvailableRouter<\/td><td>503<\/td><td>\u65e0\u5339\u914d\u7f51\u5173\u524d\u7f00<\/td><td>\u6dfb\u52a0\u7f51\u5173\u524d\u7f00\u6216\u4fee\u6b63\u62e8\u53f7\u8ba1\u5212<\/td><\/tr><tr><td>AllGatewayBusy<\/td><td>503<\/td><td>\u6240\u6709\u7f51\u5173\u5bb9\u91cf\u5df2\u6ee1<\/td><td>\u589e\u52a0\u7ebf\u8def\u9650\u5236\u6216\u6dfb\u52a0\u5907\u7528\u7f51\u5173<\/td><\/tr><tr><td>GatewayTimeout<\/td><td>408<\/td><td>\u7f51\u5173\u65e0\u54cd\u5e94<\/td><td>\u68c0\u67e5\u7f51\u7edc\u548c\u9632\u706b\u5899\u8bbe\u7f6e<\/td><\/tr><tr><td>InviteTimeout<\/td><td>408<\/td><td>INVITE\u5b9a\u65f6\u5668\u8d85\u65f6<\/td><td>\u9a8c\u8bc1\u7f51\u5173\u5728\u7ebf\u72b6\u6001<\/td><\/tr><tr><td>AccountBalanceNotEnough<\/td><td>503<\/td><td>\u4f9b\u5e94\u5546\u4f59\u989d\u4e0d\u8db3<\/td><td>\u4e3a\u4f9b\u5e94\u5546\u8d26\u6237\u5145\u503c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u26a1-\u4e8c\u3001\u5e76\u53d1\u9650\u5236\u4e0ecps\u9650\u5236\u7684\u6838\u5fc3\u533a\u522b\">\u26a1 \u4e8c\u3001\u5e76\u53d1\u9650\u5236\u4e0eCPS\u9650\u5236\u7684\u6838\u5fc3\u533a\u522b<\/h2>\n\n\n\n<p>\u5728\u6392\u67e5<strong>VOS 3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u65f6\uff0c\u5f88\u591a\u8fd0\u7ef4\u4eba\u5458\u5bb9\u6613\u6df7\u6dc6\u5e76\u53d1\u9650\u5236\uff08Line Limit\uff09\u548cCPS\u9650\u5236\uff08Calls Per Second\uff09\u8fd9\u4e24\u4e2a\u6982\u5ff5\uff0c\u5bfc\u81f4\u914d\u7f6e\u9519\u8bef\u800c\u65e0\u6cd5\u89e3\u51b3\u95ee\u9898\u3002\u5e76\u53d1\u9650\u5236\u662f\u6307\u540c\u4e00\u65f6\u523b\u5141\u8bb8\u540c\u65f6\u5728\u7ebf\u7684\u6700\u5927\u901a\u8bdd\u6570\u91cf\uff0c\u5b83\u63a7\u5236\u7684\u662f&#8221;\u540c\u65f6\u901a\u8bdd\u6570&#8221;\u3002CPS\u9650\u5236\u662f\u6307\u6bcf\u79d2\u5141\u8bb8\u5efa\u7acb\u7684\u65b0\u547c\u53eb\u6570\u91cf\uff0c\u5b83\u63a7\u5236\u7684\u662f&#8221;\u547c\u53eb\u5efa\u7acb\u901f\u7387&#8221;\u3002\u4e24\u8005\u7684\u533a\u522b\u81f3\u5173\u91cd\u8981\uff1a\u5e76\u53d1\u9650\u5236\u5f71\u54cd\u7684\u662f\u901a\u8bdd\u5bb9\u91cf\uff0c\u5f53\u5728\u7ebf\u901a\u8bdd\u6570\u8fbe\u5230\u4e0a\u9650\u65f6\u65b0\u547c\u53eb\u4f1a\u88ab\u62d2\u7edd\uff08\u4ea7\u751f503\uff09\uff1bCPS\u9650\u5236\u5f71\u54cd\u7684\u662f\u547c\u53eb\u5efa\u7acb\u901f\u5ea6\uff0c\u5f53\u6bcf\u79d2\u65b0\u5efa\u547c\u53eb\u6570\u8d85\u8fc7\u9650\u5236\u65f6\u8d85\u51fa\u7684\u547c\u53eb\u4f1a\u88ab\u4e22\u5f03\u3002<\/p>\n\n\n\n<p>\u4e3e\u4f8b\u6765\u8bf4\uff0c\u4e00\u4e2a\u7f51\u5173\u914d\u7f6e\u4e86100\u6761\u7ebf\u8def\u9650\u5236\uff08Line Limit=100\uff09\uff0cCPS\u9650\u5236\u4e3a20\u3002\u8fd9\u610f\u5473\u7740\u8be5\u7f51\u5173\u6700\u591a\u53ef\u4ee5\u540c\u65f6\u627f\u8f7d100\u8def\u901a\u8bdd\uff0c\u4e14\u6bcf\u79d2\u6700\u591a\u5141\u8bb820\u4e2a\u65b0\u547c\u53eb\u5efa\u7acb\u3002\u5982\u679c\u5728\u67d0\u4e00\u79d2\u5185\u670930\u4e2a\u65b0\u547c\u53eb\u8bf7\u6c42\uff0c\u867d\u7136\u603b\u5e76\u53d1\u53ef\u80fd\u8fdc\u672a\u8fbe\u5230100\u8def\uff0c\u4f46\u8d85\u51fa\u768410\u4e2a\u547c\u53eb\u4ecd\u4f1a\u56e0\u4e3aCPS\u9650\u5236\u800c\u88ab\u62d2\u7edd\u3002\u53cd\u4e4b\uff0c\u5982\u679c\u5e76\u53d1\u5df2\u6ee1100\u8def\u4f46CPS\u4ec5\u7528\u4e865\u4e2a\/\u79d2\uff0c\u65b0\u547c\u53eb\u4ecd\u7136\u4f1a\u56e0\u4e3a\u5e76\u53d1\u9650\u5236\u88ab\u62d2\u7edd\u3002\u7406\u89e3\u8fd9\u4e00\u533a\u522b\u662f\u6b63\u786e\u8bca\u65ad<strong>VOS3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u7684\u524d\u63d0\u6761\u4ef6\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udcca \u9650\u5236\u7c7b\u578b<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u2699\ufe0f \u63a7\u5236\u7ef4\u5ea6<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udccd \u914d\u7f6e\u4f4d\u7f6e<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udca1 \u89e6\u53d1503\u7684\u573a\u666f<\/th><\/tr><tr><td>Line Limit\uff08\u7ebf\u8def\u9650\u5236\uff09<\/td><td>\u540c\u65f6\u5728\u7ebf\u901a\u8bdd\u6570\u91cf<\/td><td>Routing Gateway &gt; Line Limit<\/td><td>\u6240\u6709\u7f51\u5173\u5e76\u53d1\u5df2\u6ee1\uff0c\u65e0\u5907\u7528\u8def\u7531<\/td><\/tr><tr><td>Rate Limit\uff08CPS\u9650\u5236\uff09<\/td><td>\u6bcf\u79d2\u65b0\u5efa\u547c\u53eb\u6570\u91cf<\/td><td>Mapping Gateway &gt; Rate Limit<\/td><td>\u77ed\u65f6\u95f4\u7a81\u53d1\u547c\u53eb\u8d85\u51faCPS\u9608\u503c<\/td><\/tr><tr><td>SS_MAX_CPS\uff08\u7cfb\u7edfCPS\uff09<\/td><td>\u7cfb\u7edf\u5168\u5c40\u6bcf\u79d2\u6700\u5927\u547c\u53eb\u6570<\/td><td>Softswitch Management &gt; System Parameter<\/td><td>\u5168\u7cfb\u7edfCPS\u603b\u91cf\u8d85\u51fa\u670d\u52a1\u5668\u627f\u8f7d<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83d\udd27-\u5e76\u53d1\u9650\u5236\u914d\u7f6e\u8be6\u89e3\">\ud83d\udd27 \u5e76\u53d1\u9650\u5236\u914d\u7f6e\u8be6\u89e3<\/h3>\n\n\n\n<p>\u5728VOS3000\u4e2d\uff0c\u5e76\u53d1\u9650\u5236\uff08Line Limit\uff09\u914d\u7f6e\u5728\u8def\u7531\u7f51\u5173\uff08Routing Gateway\uff09\u8bbe\u7f6e\u4e2d\u3002\u6839\u636eVOS3000 2.1.9.07\u624b\u518c\u7b2c2.5.1.1\u8282\u7684\u8bf4\u660e\uff0cLine Limit\u5b57\u6bb5\u6307\u5b9a\u4e86\u901a\u8fc7\u8be5\u7f51\u5173\u5141\u8bb8\u7684\u6700\u5927\u540c\u65f6\u901a\u8bdd\u6570\u91cf\u3002\u5f53\u5728\u7ebf\u901a\u8bdd\u6570\u8fbe\u5230\u6b64\u9650\u5236\u65f6\uff0cVOS3000\u5c06\u4e0d\u518d\u5411\u8be5\u7f51\u5173\u8def\u7531\u65b0\u7684\u547c\u53eb\u8bf7\u6c42\uff0c\u5982\u679c\u6ca1\u6709\u5176\u4ed6\u53ef\u7528\u7f51\u5173\uff0c\u5c31\u4f1a\u4ea7\u751f<strong>VOS3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u9519\u8bef\u3002\u914d\u7f6e\u5e76\u53d1\u9650\u5236\u65f6\uff0c\u9700\u8981\u8003\u8651\u7f51\u5173\u786c\u4ef6\u7684\u5b9e\u9645\u627f\u8f7d\u80fd\u529b\u2014\u2014\u5982\u679c\u8bbe\u7f6e\u7684Line Limit\u8d85\u8fc7\u7f51\u5173\u786c\u4ef6\u7684\u5904\u7406\u80fd\u529b\uff0c\u867d\u7136VOS3000\u4f1a\u5c1d\u8bd5\u8def\u7531\u66f4\u591a\u547c\u53eb\uff0c\u4f46\u7f51\u5173\u53ef\u80fd\u4f1a\u51fa\u73b0\u8bed\u97f3\u8d28\u91cf\u4e0b\u964d\u751a\u81f3\u5d29\u6e83\u7684\u60c5\u51b5\u3002<\/p>\n\n\n\n<p>\u8981\u67e5\u770b\u5f53\u524d\u7f51\u5173\u7684\u5b9e\u65f6\u5e76\u53d1\u4f7f\u7528\u60c5\u51b5\uff0c\u53ef\u4ee5\u5728VOS3000\u7ba1\u7406\u754c\u9762\u4e2d\u53f3\u952e\u70b9\u51fb\u8def\u7531\u7f51\u5173\uff0c\u9009\u62e9&#8221;Current Call&#8221;\uff08\u5f53\u524d\u901a\u8bdd\uff09\u6765\u67e5\u770b\u5728\u7ebf\u901a\u8bdd\u8be6\u60c5\u548c\u5269\u4f59\u5bb9\u91cf\u3002\u540c\u65f6\uff0c\u60a8\u8fd8\u53ef\u4ee5\u901a\u8fc7&#8221;Data Query &gt; CDR Query&#8221;\u67e5\u8be2\u5386\u53f2CDR\u8bb0\u5f55\uff0c\u7edf\u8ba1\u9ad8\u5cf0\u65f6\u6bb5\u7684\u5e76\u53d1\u5cf0\u503c\uff0c\u4ee5\u6b64\u4f5c\u4e3a\u8c03\u6574Line Limit\u7684\u4f9d\u636e\u3002\u5efa\u8bae\u5c06Line Limit\u8bbe\u7f6e\u4e3a\u9ad8\u5cf0\u65f6\u6bb5\u5e76\u53d1\u5cf0\u503c\u76841.2-1.5\u500d\uff0c\u65e2\u4fdd\u8bc1\u6b63\u5e38\u4e1a\u52a1\u4e0d\u56e0\u5bb9\u91cf\u4e0d\u8db3\u800c\u4ea7\u751f503\u9519\u8bef\uff0c\u53c8\u4e0d\u81f3\u4e8e\u6d6a\u8d39\u7f51\u5173\u8d44\u6e90\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83d\udea6-cps\u9650\u901f\u914d\u7f6e\u8be6\u89e3\">\ud83d\udea6 CPS\u9650\u901f\u914d\u7f6e\u8be6\u89e3<\/h3>\n\n\n\n<p>CPS\u9650\u901f\u7684\u914d\u7f6e\u4f4d\u4e8eMapping Gateway\uff08\u6620\u5c04\u7f51\u5173\uff09\u8bbe\u7f6e\u4e2d\u7684Rate Limit\u5b57\u6bb5\u3002\u4e0eLine Limit\u4e0d\u540c\uff0cRate Limit\u63a7\u5236\u7684\u662f\u547c\u53eb\u5efa\u7acb\u901f\u7387\u800c\u975e\u5e76\u53d1\u5bb9\u91cf\u3002\u5f53\u60a8\u5728Mapping Gateway\u4e2d\u8bbe\u7f6eRate Limit\u4e3a10\u65f6\uff0c\u610f\u5473\u7740\u901a\u8fc7\u8be5\u6620\u5c04\u7f51\u5173\u6bcf\u79d2\u6700\u591a\u5141\u8bb810\u4e2a\u65b0\u547c\u53eb\u5efa\u7acb\u8bf7\u6c42\u3002\u8d85\u8fc710 CPS\u7684\u547c\u53eb\u5c06\u88abVOS3000\u62d2\u7edd\uff0c\u8fd4\u56deSIP 503\u9519\u8bef\u3002\u6b64\u5916\uff0cVOS3000\u8fd8\u6709\u4e00\u4e2a\u7cfb\u7edf\u7ea7\u7684CPS\u9650\u5236\u53c2\u6570SS_MAX_CPS\uff0c\u5b83\u5b9a\u4e49\u4e86\u6574\u4e2aVOS3000\u7cfb\u7edf\u6bcf\u79d2\u5141\u8bb8\u5904\u7406\u7684\u6700\u5927\u547c\u53eb\u6570\u91cf\uff0c\u662f\u6240\u6709\u7f51\u5173CPS\u603b\u548c\u7684\u4e0a\u9650\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"># VOS3000\u5173\u952eCPS\/\u5e76\u53d1\u53c2\u6570\u914d\u7f6e\u4f4d\u7f6e\uff1a\n# \u64cd\u4f5c\u7ba1\u7406 &gt; \u8f6f\u4ea4\u6362\u7ba1\u7406 &gt; \u9644\u52a0\u8bbe\u7f6e &gt; \u7cfb\u7edf\u53c2\u6570\n\n# \u7cfb\u7edf\u5168\u5c40CPS\u9650\u5236\nSS_MAX_CPS = 200          # \u7cfb\u7edf\u6bcf\u79d2\u6700\u5927\u547c\u53eb\u6570\n                           # \u6839\u636e\u670d\u52a1\u5668\u786c\u4ef6\u914d\u7f6e\u8c03\u6574\n\n# SIP\u5b9a\u65f6\u5668\u53c2\u6570\uff08\u5f71\u54cd408\u8d85\u65f6\u5224\u65ad\uff09\nSS_SIP_TIMEOUT_INVITE = 10    # INVITE\u8d85\u65f6\u65f6\u95f4\uff08\u79d2\uff09\n                                # \u9ad8\u5ef6\u8fdf\u8def\u7531\u5efa\u8bae\u8c03\u6574\u523015-20\u79d2\n\nSS_SIP_TIMEOUT_RINGING = 120  # \u632f\u94c3\u8d85\u65f6\u65f6\u95f4\uff08\u79d2\uff09\n\n# SIP OPTIONS\u5728\u7ebf\u68c0\u6d4b\u5468\u671f\nSS_SIP_OPTIONS_CHECK_PERIOD = 60  # OPTIONS\u68c0\u6d4b\u95f4\u9694\uff08\u79d2\uff09\n<\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udd0d-\u4e09\u3001\u4f7f\u7528\u547c\u53eb\u5206\u6790\u5de5\u5177\u8bca\u65ad-vos-3000-\u6302\u65ad\u539f\u56e0-503\">\ud83d\udd0d \u4e09\u3001\u4f7f\u7528\u547c\u53eb\u5206\u6790\u5de5\u5177\u8bca\u65adVOSS3000 \u6302\u65ad\u539f\u56e0 503<\/h2>\n\n\n\n<p>VOS3000\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u547c\u53eb\u5206\u6790\u5de5\u5177\u6765\u5e2e\u52a9\u8fd0\u7ef4\u4eba\u5458\u5feb\u901f\u5b9a\u4f4d<strong>VOS 3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u3002\u901a\u8fc7&#8221;\u64cd\u4f5c\u7ba1\u7406 > \u4e1a\u52a1\u5206\u6790 > \u547c\u53eb\u5206\u6790&#8221;\uff08VOS3000\u624b\u518c\u7b2c2.5.3.3\u8282\uff09\uff0c\u60a8\u53ef\u4ee5\u6309\u65f6\u95f4\u8303\u56f4\u3001\u7f51\u5173\u3001\u8d26\u6237\u548c\u7ec8\u6b62\u539f\u56e0\u7b49\u6761\u4ef6\u7b5b\u9009\u901a\u8bdd\u8bb0\u5f55\uff0c\u5feb\u901f\u8bc6\u522b503\u548c408\u9519\u8bef\u7684\u5206\u5e03\u89c4\u5f8b\u3002\u547c\u53eb\u5206\u6790\u5de5\u5177\u80fd\u591f\u5c55\u793a\u54ea\u4e9b\u7f51\u5173\u4ea7\u751f\u4e86\u6700\u591a\u7684\u5931\u8d25\u547c\u53eb\u3001\u54ea\u4e9b\u76ee\u7684\u5730\u53d7\u5f71\u54cd\u6700\u4e25\u91cd\u3001\u4ee5\u53ca\u9519\u8bef\u662f\u5426\u96c6\u4e2d\u5728\u7279\u5b9a\u65f6\u95f4\u6bb5\uff0c\u8fd9\u4e9b\u4fe1\u606f\u5bf9\u4e8e\u786e\u5b9a\u6392\u67e5\u65b9\u5411\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<p>\u9664\u4e86\u5e38\u89c4\u7684\u547c\u53eb\u5206\u6790\u5916\uff0cVOS3000\u8fd8\u63d0\u4f9b\u4e86Debug Trace\uff08\u8c03\u8bd5\u8ddf\u8e2a\uff09\u529f\u80fd\uff0c\u53ef\u4ee5\u6355\u83b7\u7279\u5b9a\u547c\u53eb\u7684\u5b8c\u6574SIP\u4fe1\u4ee4\u4ea4\u4e92\u8fc7\u7a0b\u3002\u5f53\u60a8\u9700\u8981\u5bf9\u67d0\u4e2a\u7279\u5b9a\u7684503\u6216408\u9519\u8bef\u8fdb\u884c\u6df1\u5165\u5206\u6790\u65f6\uff0c\u53ef\u4ee5\u5728VOS3000\u7ba1\u7406\u754c\u9762\u4e2d\u542f\u7528Debug Trace\uff0c\u7136\u540e\u91cd\u73b0\u95ee\u9898\u547c\u53eb\u3002Debug Trace\u4f1a\u8bb0\u5f55\u5b8c\u6574\u7684SIP\u6d88\u606f\u6d41\uff0c\u5305\u62ecINVITE\u3001100 Trying\u3001180 Ringing\u3001200 OK\u4ee5\u53ca\u5404\u79cd\u9519\u8bef\u54cd\u5e94\uff0c\u5e2e\u52a9\u60a8\u7cbe\u786e\u5b9a\u4f4d\u4fe1\u4ee4\u4ea4\u4e92\u4e2d\u54ea\u4e2a\u73af\u8282\u51fa\u73b0\u4e86\u95ee\u9898\u3002\u8fd9\u662f\u8bca\u65ad<strong>VOS 3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u6700\u76f4\u63a5\u6709\u6548\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udee0\ufe0f \u8bca\u65ad\u5de5\u5177<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udccb \u7528\u9014<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udccd VOS3000\u4f4d\u7f6e<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83c\udfaf \u9002\u7528\u573a\u666f<\/th><\/tr><tr><td>\u547c\u53eb\u5206\u6790<\/td><td>\u5206\u6790\u547c\u53eb\u5931\u8d25\u6a21\u5f0f<\/td><td>\u4e1a\u52a1\u5206\u6790 &gt; \u547c\u53eb\u5206\u6790<\/td><td>\u6279\u91cf\u5206\u6790503\/408\u5206\u5e03\u89c4\u5f8b<\/td><\/tr><tr><td>\u8def\u7531\u5206\u6790<\/td><td>\u6d4b\u8bd5\u53f7\u7801\u8def\u7531\u8def\u5f84<\/td><td>\u53f3\u952e\u7f51\u5173 &gt; \u8def\u7531\u5206\u6790<\/td><td>\u9a8c\u8bc1\u7279\u5b9a\u53f7\u7801\u7684\u8def\u7531\u9009\u62e9<\/td><\/tr><tr><td>\u7f51\u7edc\u6d4b\u8bd5<\/td><td>\u68c0\u6d4b\u7f51\u5173\u8fde\u901a\u6027<\/td><td>\u53f3\u952e\u7f51\u5173 &gt; \u7f51\u7edc\u6d4b\u8bd5<\/td><td>\u6392\u67e5408\u8d85\u65f6\u7684\u7f51\u7edc\u539f\u56e0<\/td><\/tr><tr><td>Debug Trace<\/td><td>\u6355\u83b7SIP\u4fe1\u4ee4\u4ea4\u4e92<\/td><td>\u7cfb\u7edf\u7ba1\u7406 &gt; \u8c03\u8bd5\u8ddf\u8e2a<\/td><td>\u6df1\u5165\u5206\u6790\u7279\u5b9a\u547c\u53eb\u5931\u8d25\u539f\u56e0<\/td><\/tr><tr><td>CDR\u67e5\u8be2<\/td><td>\u67e5\u770b\u7ec8\u6b62\u539f\u56e0<\/td><td>\u6570\u636e\u67e5\u8be2 &gt; CDR\u67e5\u8be2<\/td><td>\u5feb\u901f\u5b9a\u4f4d\u6302\u65ad\u539f\u56e0\u7801<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udd04-\u56db\u3001-failover\u6545\u969c\u8f6c\u79fb\u8def\u7531\u914d\u7f6e\u6280\u5de7\">\ud83d\udd04 \u56db\u3001Failover\u6545\u969c\u8f6c\u79fb\u8def\u7531\u914d\u7f6e\u6280\u5de7<\/h2>\n\n\n\n<p>\u5728\u89e3\u51b3<strong>VOS 3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u7684\u6240\u6709\u65b9\u6848\u4e2d\uff0c\u914d\u7f6eFailover\u6545\u969c\u8f6c\u79fb\u8def\u7531\u662f\u6700\u6709\u6548\u4e14\u6700\u6839\u672c\u7684\u7b56\u7565\u3002\u5f53\u4e3b\u7528\u7f51\u5173\u56e0503\u4e0d\u53ef\u7528\u6216408\u8d85\u65f6\u65f6\uff0c\u5982\u679cVOS3000\u80fd\u591f\u81ea\u52a8\u5c06\u547c\u53eb\u5207\u6362\u5230\u5907\u7528\u7f51\u5173\uff0c\u5c31\u80fd\u6700\u5927\u9650\u5ea6\u51cf\u5c11\u901a\u8bdd\u5931\u8d25\u3002VOS3000\u7684\u7f51\u5173\u5207\u6362\uff08Gateway Switch\uff09\u673a\u5236\u6b63\u662f\u4e3a\u6b64\u8bbe\u8ba1\u7684\uff0c\u5b83\u5141\u8bb8\u60a8\u4e3a\u6bcf\u4e2a\u76ee\u6807\u524d\u7f00\u914d\u7f6e\u591a\u4e2a\u8def\u7531\u7f51\u5173\uff0c\u5e76\u6309\u4f18\u5148\u7ea7\u6392\u5e8f\u3002\u5f53\u9ad8\u4f18\u5148\u7ea7\u7f51\u5173\u5931\u8d25\u65f6\uff0c\u7cfb\u7edf\u4f1a\u81ea\u52a8\u5c1d\u8bd5\u4f4e\u4f18\u5148\u7ea7\u7f51\u5173\uff0c\u76f4\u5230\u547c\u53eb\u6210\u529f\u5efa\u7acb\u6216\u6240\u6709\u7f51\u5173\u90fd\u5df2\u5c1d\u8bd5\u5b8c\u6bd5\u3002<\/p>\n\n\n\n<p>\u6839\u636eVOS3000 2.1.9.07\u624b\u518c\u7b2c2.5.1.1\u8282\uff0c\u7f51\u5173\u5207\u6362\u7684\u6838\u5fc3\u914d\u7f6e\u662f&#8221;Switch gateway until connect&#8221;\uff08\u76f4\u5230\u63a5\u901a\u624d\u505c\u6b62\u5207\u6362\u7f51\u5173\uff09\u9009\u9879\u3002\u5982\u679c\u6b64\u9009\u9879\u8bbe\u7f6e\u4e3a&#8221;Off&#8221;\uff0cVOS3000\u5728\u4e3b\u7f51\u5173\u8fd4\u56de\u9519\u8bef\u540e\u4e0d\u4f1a\u5c1d\u8bd5\u5907\u7528\u7f51\u5173\uff0c\u76f4\u63a5\u5411\u4e3b\u53eb\u65b9\u8fd4\u56de503\u9519\u8bef\u3002\u8bbe\u7f6e\u4e3a&#8221;On&#8221;\u540e\uff0cVOS3000\u4f1a\u4f9d\u6b21\u5c1d\u8bd5\u6240\u6709\u5339\u914d\u7684\u7f51\u5173\uff0c\u76f4\u5230\u547c\u53eb\u6210\u529f\u63a5\u901a\u3002\u8fd9\u662f\u9632\u6b62<strong>VOS3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u5bfc\u81f4\u5927\u9762\u79ef\u901a\u8bdd\u5931\u8d25\u7684\u5173\u952e\u914d\u7f6e\uff0c\u5f3a\u70c8\u5efa\u8bae\u5bf9\u6240\u6709\u8def\u7531\u7f51\u5173\u90fd\u542f\u7528\u6b64\u9009\u9879\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2699\ufe0f-failover\u914d\u7f6e\u6b65\u9aa4\">\u2699\ufe0f Failover\u914d\u7f6e\u6b65\u9aa4<\/h3>\n\n\n\n<p>\u914d\u7f6eFailover\u6545\u969c\u8f6c\u79fb\u8def\u7531\u7684\u5177\u4f53\u6b65\u9aa4\u5982\u4e0b\uff1a\u9996\u5148\uff0c\u5728VOS3000\u7ba1\u7406\u754c\u9762\u4e2d\u8fdb\u5165&#8221;\u64cd\u4f5c\u7ba1\u7406 &gt; \u7f51\u5173\u64cd\u4f5c &gt; \u8def\u7531\u7f51\u5173&#8221;\uff0c\u786e\u4fdd\u6bcf\u4e2a\u76ee\u6807\u524d\u7f00\u81f3\u5c11\u914d\u7f6e\u4e86\u4e24\u4e2a\u8def\u7531\u7f51\u5173\u3002\u7b2c\u4e00\u4e2a\u7f51\u5173\u8bbe\u7f6e\u8f83\u9ad8\u4f18\u5148\u7ea7\uff08\u6570\u503c\u8d8a\u5c0f\u4f18\u5148\u7ea7\u8d8a\u9ad8\uff09\uff0c\u4f5c\u4e3a\u4e3b\u7528\u8def\u7531\uff1b\u7b2c\u4e8c\u4e2a\u7f51\u5173\u8bbe\u7f6e\u8f83\u4f4e\u4f18\u5148\u7ea7\uff0c\u4f5c\u4e3a\u5907\u7528\u8def\u7531\u3002\u5176\u6b21\uff0c\u786e\u4fdd\u4e3b\u7528\u7f51\u5173\u7684&#8221;Switch gateway until connect&#8221;\u9009\u9879\u8bbe\u4e3a&#8221;On&#8221;\uff0c\u8fd9\u6837\u5f53\u4e3b\u7528\u7f51\u5173\u5931\u8d25\u65f6\uff0c\u7cfb\u7edf\u624d\u4f1a\u81ea\u52a8\u5207\u6362\u5230\u5907\u7528\u7f51\u5173\u3002\u7b2c\u4e09\uff0c\u5bf9\u4e8e\u5907\u7528\u7f51\u5173\uff0c\u53ef\u4ee5\u5c06\u5176\u8bbe\u7f6e\u4e3a&#8221;Protect Route&#8221;\uff08\u4fdd\u62a4\u8def\u7531\uff09\uff0c\u8fd9\u6837\u5728\u4e3b\u7528\u7f51\u5173\u6b63\u5e38\u65f6\uff0c\u5907\u7528\u7f51\u5173\u4e0d\u4f1a\u88ab\u4f7f\u7528\uff0c\u4ece\u800c\u4fdd\u7559\u5176\u5bb9\u91cf\u4e13\u95e8\u7528\u4e8e\u6545\u969c\u8f6c\u79fb\u573a\u666f\u3002<\/p>\n\n\n\n<p>\u6b64\u5916\uff0c\u8fd8\u9700\u8981\u914d\u7f6e&#8221;Stop switching response code&#8221;\uff08\u505c\u6b62\u5207\u6362\u54cd\u5e94\u7801\uff09\uff0c\u6307\u5b9a\u54ea\u4e9bSIP\u54cd\u5e94\u7801\u5e94\u8be5\u505c\u6b62\u7f51\u5173\u5207\u6362\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cVOS3000\u5728\u6536\u52304xx\u54cd\u5e94\u7801\u65f6\u4f1a\u505c\u6b62\u5207\u6362\uff08\u56e0\u4e3a4xx\u901a\u5e38\u8868\u793a\u5ba2\u6237\u7aef\u9519\u8bef\uff0c\u5207\u6362\u7f51\u5173\u4e5f\u4e0d\u4f1a\u89e3\u51b3\uff09\uff0c\u800c\u5728\u6536\u52305xx\u62166xx\u54cd\u5e94\u65f6\u7ee7\u7eed\u5c1d\u8bd5\u4e0b\u4e00\u4e2a\u7f51\u5173\u3002\u5bf9\u4e8e<strong>VOS3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u573a\u666f\uff0c\u5efa\u8bae\u5c06503\u52a0\u5165\u7ee7\u7eed\u5207\u6362\u7684\u54cd\u5e94\u7801\u5217\u8868\uff0c\u786e\u4fdd503\u9519\u8bef\u80fd\u89e6\u53d1Failover\u5207\u6362\u3002\u66f4\u591a\u5173\u4e8eNoAvailableRouter\u9519\u8bef\u7684\u6392\u67e5\u7ec6\u8282\uff0c\u8bf7\u53c2\u8003\u6211\u4eec\u7684<a href=\"https:\/\/multahost.com\/blog\/noavailablerouter-error-in-vos3000-2-1-4-0-or-vos3000-2-1-6-0-in-termination-reason\/\" target=\"_blank\" rel=\"noreferrer noopener\">NoAvailableRouter\u9519\u8bef\u4fee\u590d\u6307\u5357<\/a>\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udd27 Failover\u914d\u7f6e\u9879<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u2699\ufe0f \u63a8\u8350\u8bbe\u7f6e<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udcdd \u8bf4\u660e<\/th><\/tr><tr><td>Switch gateway until connect<\/td><td>On<\/td><td>\u542f\u7528\u81ea\u52a8\u7f51\u5173\u5207\u6362<\/td><\/tr><tr><td>\u4e3b\u7528\u7f51\u5173\u4f18\u5148\u7ea7<\/td><td>1\uff08\u6700\u9ad8\uff09<\/td><td>\u4f18\u5148\u4f7f\u7528\u4e3b\u7528\u8def\u7531<\/td><\/tr><tr><td>\u5907\u7528\u7f51\u5173\u4f18\u5148\u7ea7<\/td><td>2-5<\/td><td>\u4e3b\u7528\u5931\u8d25\u540e\u81ea\u52a8\u5207\u6362<\/td><\/tr><tr><td>Protect Route<\/td><td>\u5907\u7528\u7f51\u5173\u542f\u7528<\/td><td>\u4fdd\u62a4\u8def\u7531\u4ec5\u5728\u6545\u969c\u65f6\u4f7f\u7528<\/td><\/tr><tr><td>OPTIONS\u5728\u7ebf\u68c0\u6d4b<\/td><td>\u542f\u7528<\/td><td>\u4e3b\u52a8\u76d1\u6d4b\u7f51\u5173\u53ef\u7528\u6027\uff0c\u9884\u9632408<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83c\udf10-\u4e94\u3001\u4f9b\u5e94\u5546sip\u4e2d\u7ee7\u65e0\u54cd\u5e94\u8bca\u65ad\u4e0e-cent-os-7-udp\u7f13\u51b2\u8c03\u4f18\">\ud83c\udf10 \u4e94\u3001\u4f9b\u5e94\u5546SIP\u4e2d\u7ee7\u65e0\u54cd\u5e94\u8bca\u65ad\u4e0eCentOS 7 UDP\u7f13\u51b2\u8c03\u4f18<\/h2>\n\n\n\n<p>\u5f53\u4f9b\u5e94\u5546\u7684SIP\u4e2d\u7ee7\u51fa\u73b0\u65e0\u54cd\u5e94\u60c5\u51b5\u65f6\uff0cVOS3000\u4f1a\u6301\u7eed\u4ea7\u751f408 Request Timeout\u9519\u8bef\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0d\u4ec5\u9700\u8981\u68c0\u67e5\u57fa\u672c\u7f51\u7edc\u8fde\u901a\u6027\uff0c\u8fd8\u9700\u8981\u8003\u8651\u64cd\u4f5c\u7cfb\u7edf\u5c42\u9762\u7684UDP\u7f13\u51b2\u533a\u914d\u7f6e\u3002\u5728\u9ad8\u5e76\u53d1\u7684VoIP\u73af\u5883\u4e2d\uff0cCentOS 7\u9ed8\u8ba4\u7684UDP\u7f13\u51b2\u533a\u5927\u5c0f\u53ef\u80fd\u4e0d\u8db3\u4ee5\u5904\u7406\u5927\u91cf\u7684SIP\u4fe1\u4ee4\u548cRTP\u5a92\u4f53\u6570\u636e\u5305\uff0c\u5bfc\u81f4\u5185\u6838\u5c42\u9762\u7684\u6570\u636e\u5305\u4e22\u5931\uff0c\u8868\u73b0\u4e3aSIP 408\u8d85\u65f6\u3002\u8fd9\u79cd\u95ee\u9898\u5728\u8bdd\u52a1\u9ad8\u5cf0\u671f\u5c24\u4e3a\u660e\u663e\uff0c\u662f\u5f88\u591a\u8fd0\u7ef4\u4eba\u5458\u5bb9\u6613\u5ffd\u7565\u7684<strong>VOS 3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u548c408\u9519\u8bef\u7684\u9690\u85cf\u6839\u56e0\u3002<\/p>\n\n\n\n<p>CentOS 7\u7684UDP\u7f13\u51b2\u533a\u901a\u8fc7sysctl\u53c2\u6570\u8fdb\u884c\u8c03\u4f18\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cLinux\u7cfb\u7edf\u7684UDP\u63a5\u6536\u7f13\u51b2\u533a\uff08net.core.rmem_default\u548cnet.core.rmem_max\uff09\u548c\u53d1\u9001\u7f13\u51b2\u533a\uff08net.core.wmem_default\u548cnet.core.wmem_max\uff09\u7684\u503c\u90fd\u6bd4\u8f83\u4fdd\u5b88\uff0c\u65e0\u6cd5\u6ee1\u8db3\u9ad8\u5e76\u53d1VoIP\u573a\u666f\u7684\u9700\u6c42\u3002\u5f53SIP\u4fe1\u4ee4\u548cRTP\u5a92\u4f53\u6570\u636e\u5305\u7684\u5230\u8fbe\u901f\u7387\u8d85\u8fc7UDP\u7f13\u51b2\u533a\u7684\u5904\u7406\u80fd\u529b\u65f6\uff0c\u5185\u6838\u4f1a\u76f4\u63a5\u4e22\u5f03\u8d85\u51fa\u7f13\u51b2\u533a\u5bb9\u91cf\u7684\u6570\u636e\u5305\uff0c\u800c\u4e0d\u4f1a\u901a\u77e5\u5e94\u7528\u7a0b\u5e8f\u3002\u8fd9\u5c31\u5bfc\u81f4\u4e86VOS3000\u7684SIP\u534f\u8bae\u6808\u65e0\u6cd5\u6536\u5230\u5b8c\u6574\u7684SIP\u6d88\u606f\uff0c\u4ece\u800c\u4ea7\u751f408\u8d85\u65f6\u9519\u8bef\u3002<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"># CentOS 7 UDP\u7f13\u51b2\u533a\u8c03\u4f18 - \u89e3\u51b3VOS3000 408\u8d85\u65f6\u95ee\u9898\n# \u7f16\u8f91 \/etc\/sysctl.conf \u6dfb\u52a0\u4ee5\u4e0b\u53c2\u6570\uff1a\n\n# UDP\u63a5\u6536\u7f13\u51b2\u533a\u4f18\u5316\nnet.core.rmem_default = 16777216\nnet.core.rmem_max = 16777216\n\n# UDP\u53d1\u9001\u7f13\u51b2\u533a\u4f18\u5316\nnet.core.wmem_default = 16777216\nnet.core.wmem_max = 16777216\n\n# \u7f51\u7edc\u63a5\u53e3\u961f\u5217\u957f\u5ea6\u4f18\u5316\nnet.core.netdev_max_backlog = 5000\n\n# TCP\/UDP\u8fde\u63a5\u8ddf\u8e2a\u4f18\u5316\nnet.netfilter.nf_conntrack_max = 1048576\n\n# \u5e94\u7528\u914d\u7f6e\nsysctl -p\n\n# \u9a8c\u8bc1\u914d\u7f6e\u662f\u5426\u751f\u6548\nsysctl net.core.rmem_max\nsysctl net.core.wmem_max\n\n# \u68c0\u67e5UDP\u7f13\u51b2\u533a\u6ea2\u51fa\u7edf\u8ba1\ncat \/proc\/net\/snmp | grep Udp\n<\/pre>\n\n\n\n<p>\u9664\u4e86UDP\u7f13\u51b2\u533a\u8c03\u4f18\u5916\uff0c\u8bca\u65ad\u4f9b\u5e94\u5546SIP\u4e2d\u7ee7\u65e0\u54cd\u5e94\u8fd8\u5e94\u68c0\u67e5\u4ee5\u4e0b\u65b9\u9762\uff1a\u9632\u706b\u5899\u662f\u5426\u963b\u65ad\u4e86SIP\u4fe1\u4ee4\u7aef\u53e3\uff08\u9ed8\u8ba4UDP 5060\uff09\uff0c\u7f51\u5173IP\u5730\u5740\u548c\u4fe1\u4ee4\u7aef\u53e3\u914d\u7f6e\u662f\u5426\u6b63\u786e\uff0c\u7f51\u7edc\u8def\u7531\u662f\u5426\u53ef\u8fbe\uff0c\u4ee5\u53caISP\u662f\u5426\u5bf9VoIP\u6d41\u91cf\u8fdb\u884c\u4e86\u9650\u5236\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528VOS3000\u5185\u7f6e\u7684\u7f51\u7edc\u6d4b\u8bd5\u5de5\u5177\uff08\u53f3\u952e\u70b9\u51fb\u8def\u7531\u7f51\u5173 &gt; \u7f51\u7edc\u6d4b\u8bd5\uff09\u5feb\u901f\u9a8c\u8bc1\u7f51\u5173\u7684\u8fde\u901a\u6027\u548c\u7aef\u53e3\u53ef\u8fbe\u6027\u3002\u66f4\u591aVOS3000\u6302\u65ad\u539f\u56e0\u7684\u6392\u67e5\u65b9\u6cd5\uff0c\u8bf7\u53c2\u8003\u6211\u4eec\u7684<a href=\"https:\/\/multahost.com\/blog\/vos3000-call-end-reasons\/\" target=\"_blank\" rel=\"noreferrer noopener\">VOS3000\u6302\u65ad\u539f\u56e0\u5b8c\u6574\u89e3\u6790<\/a>\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\u2699\ufe0f sysctl\u53c2\u6570<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udd22 \u63a8\u8350\u503c<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udccb \u8bf4\u660e<\/th><\/tr><tr><td>net.core.rmem_default<\/td><td>16777216<\/td><td>UDP\u9ed8\u8ba4\u63a5\u6536\u7f13\u51b2\u533a\u5927\u5c0f\uff0816MB\uff09<\/td><\/tr><tr><td>net.core.rmem_max<\/td><td>16777216<\/td><td>UDP\u6700\u5927\u63a5\u6536\u7f13\u51b2\u533a\u5927\u5c0f<\/td><\/tr><tr><td>net.core.wmem_default<\/td><td>16777216<\/td><td>UDP\u9ed8\u8ba4\u53d1\u9001\u7f13\u51b2\u533a\u5927\u5c0f<\/td><\/tr><tr><td>net.core.wmem_max<\/td><td>16777216<\/td><td>UDP\u6700\u5927\u53d1\u9001\u7f13\u51b2\u533a\u5927\u5c0f<\/td><\/tr><tr><td>net.core.netdev_max_backlog<\/td><td>5000<\/td><td>\u7f51\u7edc\u63a5\u53e3\u6570\u636e\u5305\u961f\u5217\u957f\u5ea6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udee1\ufe0f-\u516d\u3001\u9884\u9632-vos-3000-\u6302\u65ad\u539f\u56e0-503-\u7684\u6700\u4f73\u5b9e\u8df5\">\ud83d\udee1\ufe0f \u516d\u3001\u9884\u9632VOS 3000 \u6302\u65ad\u539f\u56e0 503 \u7684\u6700\u4f73\u5b9e\u8df5<\/h2>\n\n\n\n<p>\u89e3\u51b3<strong>VOSS3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u95ee\u9898\u4e0d\u80fd\u4ec5\u9760\u4e8b\u540e\u6392\u67e5\uff0c\u66f4\u91cd\u8981\u7684\u662f\u5efa\u7acb\u9884\u9632\u6027\u8fd0\u7ef4\u4f53\u7cfb\u3002\u901a\u8fc7\u5b9e\u65bd\u4ee5\u4e0b\u6700\u4f73\u5b9e\u8df5\uff0c\u53ef\u4ee5\u663e\u8457\u964d\u4f4e503\u548c408\u9519\u8bef\u7684\u53d1\u751f\u9891\u7387\uff0c\u63d0\u5347\u7cfb\u7edf\u6574\u4f53\u7a33\u5b9a\u6027\u548c\u5ba2\u6237\u6ee1\u610f\u5ea6\u3002\u9884\u9632\u63aa\u65bd\u7684\u6838\u5fc3\u601d\u60f3\u662f&#8221;\u591a\u7f51\u5173\u5197\u4f59 + \u4e3b\u52a8\u76d1\u63a7 + \u53c2\u6570\u4f18\u5316&#8221;\uff0c\u4e09\u8005\u7f3a\u4e00\u4e0d\u53ef\u3002\u591a\u7f51\u5173\u5197\u4f59\u786e\u4fdd\u5355\u70b9\u6545\u969c\u4e0d\u4f1a\u5bfc\u81f4\u4e1a\u52a1\u4e2d\u65ad\uff0c\u4e3b\u52a8\u76d1\u63a7\u8ba9\u60a8\u5728\u95ee\u9898\u5f71\u54cd\u5ba2\u6237\u4e4b\u524d\u5c31\u80fd\u53d1\u73b0\u5e76\u5904\u7406\uff0c\u53c2\u6570\u4f18\u5316\u5219\u786e\u4fdd\u7cfb\u7edf\u914d\u7f6e\u4e0e\u5b9e\u9645\u8bdd\u52a1\u91cf\u5339\u914d\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u4e3a\u6bcf\u4e2a\u5173\u952e\u76ee\u6807\u524d\u7f00\u914d\u7f6e\u81f3\u5c112-3\u4e2a\u8def\u7531\u7f51\u5173\uff0c\u5e76\u542f\u7528&#8221;Switch gateway until connect&#8221;\u548cOPTIONS\u5728\u7ebf\u68c0\u6d4b\u529f\u80fd\u3002\u5f53\u4e3b\u7528\u7f51\u5173\u51fa\u73b0\u95ee\u9898\u65f6\uff0cVOS3000\u80fd\u81ea\u52a8\u5207\u6362\u5230\u5907\u7528\u7f51\u5173\uff0c\u5ba2\u6237\u51e0\u4e4e\u611f\u77e5\u4e0d\u5230\u6545\u969c\u3002\u5176\u6b21\uff0c\u5b9a\u671f\u5206\u6790CDR\u6570\u636e\uff0c\u76d1\u63a7503\u548c408\u9519\u8bef\u7684\u53d8\u5316\u8d8b\u52bf\u3002\u5982\u679c\u53d1\u73b0\u67d0\u4e2a\u7f51\u5173\u7684\u9519\u8bef\u7387\u6301\u7eed\u4e0a\u5347\uff0c\u5e94\u63d0\u524d\u4ecb\u5165\u6392\u67e5\uff0c\u800c\u4e0d\u662f\u7b49\u5230\u5ba2\u6237\u6295\u8bc9\u624d\u884c\u52a8\u3002\u7b2c\u4e09\uff0c\u5b9a\u671f\u68c0\u67e5\u4f9b\u5e94\u5546\u8d26\u6237\u4f59\u989d\uff0c\u786e\u4fdd\u4e0d\u4f1a\u56e0\u4e3a\u4f59\u989d\u4e0d\u8db3\u800c\u89e6\u53d1503\u9519\u8bef\u3002\u6700\u540e\uff0c\u5bf9\u670d\u52a1\u5668\u8fdb\u884c\u7cfb\u7edf\u5c42\u9762\u7684\u4f18\u5316\uff0c\u5305\u62ec\u4e0a\u8ff0\u7684UDP\u7f13\u51b2\u533a\u8c03\u4f18\uff0c\u4ee5\u53ca\u5408\u7406\u8bbe\u7f6eSS_MAX_CPS\u7b49\u8f6f\u4ea4\u6362\u53c2\u6570\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udee1\ufe0f \u9884\u9632\u63aa\u65bd<\/th><th class=\"has-text-align-left\" data-align=\"left\">\u2705 \u5b9e\u65bd\u65b9\u6cd5<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udd04 \u6267\u884c\u9891\u7387<\/th><th class=\"has-text-align-left\" data-align=\"left\">\ud83d\udcca \u9884\u671f\u6548\u679c<\/th><\/tr><tr><td>OPTIONS\u5728\u7ebf\u68c0\u6d4b<\/td><td>\u6240\u6709\u8def\u7531\u7f51\u5173\u542f\u7528OPTIONS\u68c0\u6d4b<\/td><td>\u914d\u7f6e\u4e00\u6b21\uff08\u81ea\u52a8\u8fd0\u884c\uff09<\/td><td>\u964d\u4f4e408\u9519\u8bef60%\u4ee5\u4e0a<\/td><\/tr><tr><td>\u5907\u7528\u7f51\u5173\u914d\u7f6e<\/td><td>\u6bcf\u4e2a\u524d\u7f00\u914d\u7f6e2-3\u4e2a\u7f51\u5173<\/td><td>\u914d\u7f6e\u4e00\u6b21 + \u6bcf\u6708\u9a8c\u8bc1<\/td><td>\u964d\u4f4e503\u9519\u8bef80%\u4ee5\u4e0a<\/td><\/tr><tr><td>CDR\u6570\u636e\u5206\u6790<\/td><td>\u67e5\u770b\u7ec8\u6b62\u539f\u56e0\u8d8b\u52bf<\/td><td>\u6bcf\u65e5<\/td><td>\u65e9\u671f\u53d1\u73b0\u6f5c\u5728\u95ee\u9898<\/td><\/tr><tr><td>\u4f59\u989d\u76d1\u63a7\u9884\u8b66<\/td><td>\u8bbe\u7f6e\u6700\u4f4e\u4f59\u989d\u544a\u8b66<\/td><td>\u5b9e\u65f6<\/td><td>\u9632\u6b62\u4f59\u989d\u4e0d\u8db3\u5bfc\u81f4503<\/td><\/tr><tr><td>UDP\u7f13\u51b2\u533a\u8c03\u4f18<\/td><td>\u8c03\u6574sysctl\u53c2\u6570<\/td><td>\u7cfb\u7edf\u90e8\u7f72\u65f6 + \u5347\u7ea7\u540e<\/td><td>\u51cf\u5c11\u5185\u6838\u5c42\u6570\u636e\u5305\u4e22\u5931<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udd17-\u76f8\u5173\u8d44\u6e90\">\ud83d\udd17 \u76f8\u5173\u8d44\u6e90<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udcd8 <a href=\"https:\/\/multahost.com\/blog\/noavailablerouter-error-in-vos3000-2-1-4-0-or-vos3000-2-1-6-0-in-termination-reason\/\" target=\"_blank\" rel=\"noreferrer noopener\">VOS3000 NoAvailableRouter\u9519\u8bef\u4fee\u590d\u6307\u5357<\/a> \u2014 \u8be6\u89e3NoAvailableRouter\u7ec8\u6b62\u539f\u56e0\u7684\u6392\u67e5\u548c\u89e3\u51b3\u65b9\u6cd5<\/li>\n\n\n\n<li>\ud83d\udcd6 <a href=\"https:\/\/multahost.com\/blog\/vos3000-call-end-reasons\/\" target=\"_blank\" rel=\"noreferrer noopener\">VOS3000\u6302\u65ad\u539f\u56e0\u5b8c\u6574\u89e3\u6790<\/a> \u2014 \u6240\u6709\u6302\u65ad\u539f\u56e0\u7801\u7684\u8be6\u7ec6\u8bf4\u660e\u548c\u6392\u67e5\u6307\u5357<\/li>\n\n\n\n<li>\ud83d\udce5 <a href=\"https:\/\/www.vos3000.com\/downloads.php\" target=\"_blank\" rel=\"noreferrer noopener\">VOS3000\u5b98\u65b9\u4e0b\u8f7d\u9875\u9762<\/a> \u2014 \u83b7\u53d6VOS3000\u6700\u65b0\u7248\u672c\u8f6f\u4ef6\u548c\u624b\u518c<\/li>\n\n\n\n<li>\ud83d\udcd0 VOS3000 2.1.9.07\u7528\u6237\u624b\u518c \u7b2c4.5\u8282 \u2014 Call End Reasons\u5b8c\u6574\u53c2\u8003<\/li>\n\n\n\n<li>\ud83d\udcd0 VOS3000 2.1.9.07\u7528\u6237\u624b\u518c \u7b2c2.5.1.1\u8282 \u2014 Routing Gateway\u914d\u7f6e\u8be6\u89e3<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u5e38\u89c1\u95ee\u9898\u89e3\u7b54\">\u5e38\u89c1\u95ee\u9898\u89e3\u7b54<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-\u95ee\u9898-1-\uff1a-vos-3000-\u6302\u65ad\u539f\u56e0-503-\u548c-sip-408-\u9519\u8bef\u6709\u4ec0\u4e48\u6839\u672c\u533a\u522b\uff1f\">\u2753 \u95ee\u98981\uff1aVOS 3000 \u6302\u65ad\u539f\u56e0 503 \u548c SIP 408 \u9519\u8bef\u6709\u4ec0\u4e48\u6839\u672c\u533a\u522b\uff1f<\/h3>\n\n\n\n<p>SIP 503 Service Unavailable\u548cSIP 408 Request Timeout\u867d\u7136\u90fd\u5bfc\u81f4\u901a\u8bdd\u5931\u8d25\uff0c\u4f46\u6839\u672c\u539f\u56e0\u5b8c\u5168\u4e0d\u540c\u3002<strong>VOS3 000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u8868\u793a\u76ee\u6807\u670d\u52a1\u5668\u6216\u7f51\u5173\u6682\u65f6\u65e0\u6cd5\u5904\u7406\u547c\u53eb\u8bf7\u6c42\uff0c\u6838\u5fc3\u539f\u56e0\u662f\u5bb9\u91cf\u4e0d\u8db3\u6216\u914d\u7f6e\u95ee\u9898\uff0c\u4f8b\u5982\u6240\u6709\u5339\u914d\u7f51\u5173\u7684\u5e76\u53d1\u5df2\u6ee1\u3001\u7f51\u5173\u524d\u7f00\u4e0d\u5339\u914d\uff08NoAvailableRouter\uff09\u3001\u6216\u4f9b\u5e94\u5546\u4f59\u989d\u4e0d\u8db3\u3002\u800cSIP 408\u8868\u793aVOS3000\u53d1\u51fa\u4e86INVITE\u8bf7\u6c42\u4f46\u5728\u5b9a\u65f6\u5668\u8d85\u65f6\u524d\u672a\u6536\u5230\u4efb\u4f55\u54cd\u5e94\uff0c\u6838\u5fc3\u539f\u56e0\u662f\u7f51\u7edc\u8fde\u901a\u6027\u95ee\u9898\uff0c\u4f8b\u5982\u9632\u706b\u5899\u963b\u65adSIP\u7aef\u53e3\u3001\u7f51\u5173IP\u914d\u7f6e\u9519\u8bef\u3001\u6216\u7f51\u7edc\u8def\u7531\u4e0d\u53ef\u8fbe\u3002503\u7684\u6392\u67e5\u91cd\u70b9\u662f\u7f51\u5173\u914d\u7f6e\u548c\u5bb9\u91cf\u89c4\u5212\uff0c408\u7684\u6392\u67e5\u91cd\u70b9\u662f\u7f51\u7edc\u8fde\u901a\u6027\u548c\u9632\u706b\u5899\u8bbe\u7f6e\u3002\u4e24\u8005\u7684\u89e3\u51b3\u65b9\u6cd5\u5b8c\u5168\u4e0d\u540c\uff0c\u51c6\u786e\u533a\u5206\u662f\u5feb\u901f\u89e3\u51b3\u95ee\u9898\u7684\u5173\u952e\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-\u95ee\u9898-2-\uff1a\u5e76\u53d1\u9650\u5236\uff08-line-limit\uff09\u548c-cps\u9650\u5236\uff08-rate-limit\uff09\u5982\u4f55\u5f71\u54cd-503-\u9519\u8bef\uff1f\">\u2753 \u95ee\u98982\uff1a\u5e76\u53d1\u9650\u5236\uff08Line Limit\uff09\u548cCPS\u9650\u5236\uff08Rate Limit\uff09\u5982\u4f55\u5f71\u54cd503\u9519\u8bef\uff1f<\/h3>\n\n\n\n<p>\u5e76\u53d1\u9650\u5236\u548cCPS\u9650\u5236\u90fd\u4f1a\u5bfc\u81f4<strong>VOS3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u9519\u8bef\uff0c\u4f46\u89e6\u53d1\u6761\u4ef6\u4e0d\u540c\u3002\u5e76\u53d1\u9650\u5236\uff08Line Limit\uff09\u63a7\u5236\u540c\u65f6\u5728\u7ebf\u7684\u901a\u8bdd\u6570\u91cf\uff0c\u5f53\u6240\u6709\u5339\u914d\u7f51\u5173\u7684\u5728\u7ebf\u901a\u8bdd\u6570\u90fd\u8fbe\u5230Line Limit\u4e0a\u9650\u65f6\uff0c\u65b0\u547c\u53eb\u65e0\u6cd5\u8def\u7531\uff0c\u4ea7\u751f503\u9519\u8bef\u3002CPS\u9650\u5236\uff08Rate Limit\uff09\u63a7\u5236\u6bcf\u79d2\u65b0\u5efa\u547c\u53eb\u7684\u6570\u91cf\uff0c\u5f53\u77ed\u65f6\u95f4\u5185\u7a81\u53d1\u5927\u91cf\u547c\u53eb\u8bf7\u6c42\u8d85\u8fc7Rate Limit\u8bbe\u5b9a\u7684\u9608\u503c\u65f6\uff0c\u8d85\u51fa\u7684\u547c\u53eb\u88ab\u76f4\u63a5\u62d2\u7edd\uff0c\u540c\u6837\u8fd4\u56de503\u9519\u8bef\u3002\u533a\u5206\u8fd9\u4e24\u79cd\u573a\u666f\u7684\u65b9\u6cd5\u662f\u67e5\u770bCDR\u8bb0\u5f55\u4e2d503\u9519\u8bef\u51fa\u73b0\u7684\u65f6\u95f4\u5206\u5e03\u2014\u2014\u5982\u679c503\u96c6\u4e2d\u5728\u8bdd\u52a1\u9ad8\u5cf0\u671f\u4e14\u6301\u7eed\u65f6\u95f4\u8f83\u957f\uff0c\u901a\u5e38\u662f\u5e76\u53d1\u9650\u5236\u95ee\u9898\uff1b\u5982\u679c503\u5728\u77ed\u65f6\u95f4\u5185\u96c6\u4e2d\u51fa\u73b0\u4e14\u5f88\u5feb\u6062\u590d\u6b63\u5e38\uff0c\u901a\u5e38\u662fCPS\u9650\u901f\u95ee\u9898\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-\u95ee\u9898-3-\uff1a\u5982\u4f55\u914d\u7f6e-failover\u6545\u969c\u8f6c\u79fb\u6765\u907f\u514d-503-\u9519\u8bef\u5bfc\u81f4\u901a\u8bdd\u4e2d\u65ad\uff1f\">\u2753 \u95ee\u98983\uff1a\u5982\u4f55\u914d\u7f6eFailover\u6545\u969c\u8f6c\u79fb\u6765\u907f\u514d503\u9519\u8bef\u5bfc\u81f4\u901a\u8bdd\u4e2d\u65ad\uff1f<\/h3>\n\n\n\n<p>\u914d\u7f6eFailover\u6545\u969c\u8f6c\u79fb\u662f\u9632\u6b62<strong>VOS 3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u5bfc\u81f4\u5927\u9762\u79ef\u901a\u8bdd\u4e2d\u65ad\u7684\u6700\u6709\u6548\u65b9\u6cd5\u3002\u5177\u4f53\u914d\u7f6e\u6b65\u9aa4\u5982\u4e0b\uff1a\u9996\u5148\uff0c\u4e3a\u6bcf\u4e2a\u76ee\u6807\u524d\u7f00\u914d\u7f6e\u81f3\u5c112\u4e2a\u8def\u7531\u7f51\u5173\uff0c\u4e3b\u7528\u7f51\u5173\u8bbe\u7f6e\u8f83\u9ad8\u4f18\u5148\u7ea7\uff08\u6570\u503c\u5c0f\uff09\uff0c\u5907\u7528\u7f51\u5173\u8bbe\u7f6e\u8f83\u4f4e\u4f18\u5148\u7ea7\u3002\u5176\u6b21\uff0c\u5728\u4e3b\u7528\u7f51\u5173\u914d\u7f6e\u4e2d\u542f\u7528&#8221;Switch gateway until connect&#8221;\u9009\u9879\uff0c\u786e\u4fdd\u4e3b\u7528\u7f51\u5173\u5931\u8d25\u65f6\u7cfb\u7edf\u81ea\u52a8\u5c1d\u8bd5\u5907\u7528\u7f51\u5173\u3002\u7b2c\u4e09\uff0c\u5c06\u5907\u7528\u7f51\u5173\u8bbe\u7f6e\u4e3a&#8221;Protect Route&#8221;\uff08\u4fdd\u62a4\u8def\u7531\uff09\uff0c\u4f7f\u5176\u4ec5\u5728\u4e3b\u7528\u7f51\u5173\u4e0d\u53ef\u7528\u65f6\u624d\u88ab\u4f7f\u7528\uff0c\u4fdd\u7559\u5907\u7528\u5bb9\u91cf\u3002\u7b2c\u56db\uff0c\u5728\u6240\u6709\u8def\u7531\u7f51\u5173\u4e0a\u542f\u7528OPTIONS\u5728\u7ebf\u68c0\u6d4b\uff0c\u8ba9VOS3000\u4e3b\u52a8\u76d1\u6d4b\u7f51\u5173\u53ef\u7528\u6027\uff0c\u5728\u7f51\u5173\u79bb\u7ebf\u65f6\u63d0\u524d\u5207\u6362\u8def\u7531\uff0c\u800c\u4e0d\u662f\u7b49\u5230\u547c\u53eb\u5931\u8d25\u624d\u5207\u6362\u3002\u8fd9\u6837\u53ef\u4ee5\u5728\u4e3b\u7528\u7f51\u5173\u6545\u969c\u65f6\u5b9e\u73b0\u65e0\u7f1d\u5207\u6362\uff0c\u5ba2\u6237\u51e0\u4e4e\u611f\u77e5\u4e0d\u5230\u4e2d\u65ad\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-\u95ee\u9898-4-\uff1a-cent-os-7-\u7684ud-p\u7f13\u51b2\u533a\u8c03\u4f18\u5bf9-vos-3000-\u6027\u80fd\u6709\u4ec0\u4e48\u5f71\u54cd\uff1f\">\u2753 \u95ee\u98984\uff1aCentOS 7\u7684UDP\u7f13\u51b2\u533a\u8c03\u4f18\u5bf9VOS3000\u6027\u80fd\u6709\u4ec0\u4e48\u5f71\u54cd\uff1f<\/h3>\n\n\n\n<p>CentOS 7\u9ed8\u8ba4\u7684UDP\u7f13\u51b2\u533a\u5927\u5c0f\u5bf9\u9ad8\u5e76\u53d1VoIP\u73af\u5883\u6765\u8bf4\u662f\u4e0d\u591f\u7684\uff0c\u76f4\u63a5\u8c03\u6574sysctl\u53c2\u6570\u53ef\u4ee5\u663e\u8457\u6539\u5584VOS3000\u7684\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u3002\u9ed8\u8ba4\u7684UDP\u63a5\u6536\u7f13\u51b2\u533a\u901a\u5e38\u53ea\u6709212992\u5b57\u8282\uff08\u7ea6200KB\uff09\uff0c\u5728\u9ad8\u5e76\u53d1\u573a\u666f\u4e0b\u5bb9\u6613\u53d1\u751f\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u5bfc\u81f4\u5185\u6838\u76f4\u63a5\u4e22\u5f03SIP\u4fe1\u4ee4\u548cRTP\u5a92\u4f53\u6570\u636e\u5305\u3002\u5c06rmem_default\u3001rmem_max\u3001wmem_default\u548cwmem_max\u90fd\u8bbe\u7f6e\u4e3a16777216\uff0816MB\uff09\u540e\uff0c\u53ef\u4ee5\u5927\u5e45\u51cf\u5c11\u56e0\u7f13\u51b2\u533a\u4e0d\u8db3\u5bfc\u81f4\u7684\u6570\u636e\u5305\u4e22\u5931\uff0c\u4ece\u800c\u964d\u4f4e<strong>VOS3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u548c408\u9519\u8bef\u7684\u53d1\u751f\u7387\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u589e\u5927\u7f13\u51b2\u533a\u4f1a\u589e\u52a0\u5185\u5b58\u4f7f\u7528\u91cf\uff0c\u4f4616MB\u7684\u8bbe\u7f6e\u5bf9\u73b0\u4ee3\u670d\u52a1\u5668\u6765\u8bf4\u5fae\u4e0d\u8db3\u9053\uff0c\u5b8c\u5168\u503c\u5f97\u8fd9\u4e2a\u5fae\u5c0f\u7684\u5185\u5b58\u5f00\u9500\u6765\u6362\u53d6\u7a33\u5b9a\u6027\u7684\u5927\u5e45\u63d0\u5347\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-\u95ee\u9898-5-\uff1a\u4e3a\u4ec0\u4e48\u7f51\u5173\u6709\u53ef\u7528\u7ebf\u8def\u4ecd\u7136\u51fa\u73b0-503-\u9519\u8bef\uff1f\">\u2753 \u95ee\u98985\uff1a\u4e3a\u4ec0\u4e48\u7f51\u5173\u6709\u53ef\u7528\u7ebf\u8def\u4ecd\u7136\u51fa\u73b0503\u9519\u8bef\uff1f<\/h3>\n\n\n\n<p>\u7f51\u5173\u663e\u793a\u6709\u53ef\u7528\u7ebf\u8def\u4f46\u4ecd\u7136\u51fa\u73b0<strong>VOS 3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u9519\u8bef\uff0c\u53ef\u80fd\u6709\u4ee5\u4e0b\u51e0\u79cd\u539f\u56e0\u3002\u7b2c\u4e00\u79cd\u662f\u7f51\u5173\u7ec4\uff08Gateway Group\uff09\u7684\u4fdd\u7559\u7ebf\u8def\u8bbe\u7f6e\u9650\u5236\u4e86\u8bbf\u95ee\u2014\u2014\u5373\u4f7f\u7f51\u5173\u672c\u8eab\u6709\u7a7a\u95f2\u7ebf\u8def\uff0c\u4f46\u5982\u679c\u5c5e\u4e8e\u67d0\u4e2a\u7f51\u5173\u7ec4\u4e14\u8be5\u7ec4\u7684\u4fdd\u7559\u7ebf\u8def\u5df2\u88ab\u5176\u4ed6\u5ba2\u6237\u5360\u7528\uff0c\u65b0\u547c\u53eb\u4ecd\u4f1a\u88ab\u62d2\u7edd\u3002\u7b2c\u4e8c\u79cd\u662f\u4f9b\u5e94\u5546\u8d26\u6237\u4f59\u989d\u4e0d\u8db3\u2014\u2014VOS3000\u5728\u8def\u7531\u547c\u53eb\u524d\u4f1a\u68c0\u67e5\u4f9b\u5e94\u5546\u6e05\u7b97\u8d26\u6237\u7684\u4f59\u989d\uff0c\u5982\u679c\u4f59\u989d\u4f4e\u4e8e\u6700\u4f4e\u9608\u503c\uff08\u7531SERVER_VERIFY_CLEARING_CUSTOMER_REMAIN_MONEY_LIMIT\u53c2\u6570\u63a7\u5236\uff09\uff0c\u5373\u4f7f\u7f51\u5173\u6709\u7a7a\u95f2\u7ebf\u8def\u4e5f\u4e0d\u4f1a\u8def\u7531\u547c\u53eb\u3002\u7b2c\u4e09\u79cd\u662fCPS\u9650\u5236\u2014\u2014\u7f51\u5173\u867d\u7136\u6709\u7a7a\u95f2\u7ebf\u8def\uff0c\u4f46\u5982\u679c\u77ed\u65f6\u95f4\u5185\u7684\u547c\u53eb\u5efa\u7acb\u901f\u7387\u8d85\u8fc7\u4e86Rate Limit\u8bbe\u5b9a\u503c\uff0c\u8d85\u51fa\u7684\u547c\u53eb\u4ecd\u4f1a\u88ab\u62d2\u7edd\u3002\u7b2c\u56db\u79cd\u662f\u524d\u7f00\u5339\u914d\u95ee\u9898\u2014\u2014\u88ab\u53eb\u53f7\u7801\u53ef\u80fd\u6ca1\u6709\u5339\u914d\u5230\u8be5\u7f51\u5173\u914d\u7f6e\u7684\u524d\u7f00\uff0c\u5bfc\u81f4\u547c\u53eb\u88ab\u8def\u7531\u5230\u5176\u4ed6\u5df2\u6ee1\u7684\u7f51\u5173\u3002\u9010\u4e00\u6392\u67e5\u8fd9\u4e9b\u56e0\u7d20\uff0c\u5c31\u80fd\u627e\u5230\u771f\u6b63\u7684\u6839\u56e0\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-\u95ee\u9898-6-\uff1ass-max-cps\u53c2\u6570\u8bbe\u7f6e\u8fc7\u9ad8\u6216\u8fc7\u4f4e\u4f1a\u6709\u4ec0\u4e48\u5f71\u54cd\uff1f\">\u2753 \u95ee\u98986\uff1aSS_MAX_CPS\u53c2\u6570\u8bbe\u7f6e\u8fc7\u9ad8\u6216\u8fc7\u4f4e\u4f1a\u6709\u4ec0\u4e48\u5f71\u54cd\uff1f<\/h3>\n\n\n\n<p>SS_MAX_CPS\u662fVOS3000\u7cfb\u7edf\u5168\u5c40\u7684\u6bcf\u79d2\u6700\u5927\u547c\u53eb\u6570\u9650\u5236\uff0c\u8bbe\u7f6e\u4e0d\u5f53\u4f1a\u5bf9\u7cfb\u7edf\u7a33\u5b9a\u6027\u4ea7\u751f\u4e25\u91cd\u5f71\u54cd\u3002\u5982\u679c\u8bbe\u7f6e\u8fc7\u4f4e\uff0c\u5f53\u5b9e\u9645\u8bdd\u52a1\u91cf\u8d85\u8fc7SS_MAX_CPS\u65f6\uff0c\u8d85\u51fa\u7684\u547c\u53eb\u4f1a\u88ab\u7cfb\u7edf\u76f4\u63a5\u62d2\u7edd\uff0c\u4ea7\u751f\u5927\u91cf<strong>VOS3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u9519\u8bef\uff0c\u4e25\u91cd\u5f71\u54cd\u4e1a\u52a1\u6b63\u5e38\u8fd0\u884c\u3002\u5982\u679c\u8bbe\u7f6e\u8fc7\u9ad8\uff0c\u8d85\u8fc7\u4e86\u670d\u52a1\u5668\u786c\u4ef6\u7684\u5b9e\u9645\u5904\u7406\u80fd\u529b\uff0cVOS3000\u4f1a\u5c1d\u8bd5\u5904\u7406\u8d85\u51fa\u627f\u8f7d\u80fd\u529b\u7684\u547c\u53eb\uff0c\u5bfc\u81f4CPU\u5229\u7528\u7387\u98d9\u5347\u3001SIP\u4fe1\u4ee4\u5904\u7406\u5ef6\u8fdf\u589e\u5927\u3001\u5185\u5b58\u6d88\u8017\u589e\u52a0\uff0c\u6700\u7ec8\u53ef\u80fd\u51fa\u73b0\u7cfb\u7edf\u5d29\u6e83\u6216\u6240\u6709\u901a\u8bdd\u8d28\u91cf\u4e25\u91cd\u4e0b\u964d\u7684\u60c5\u51b5\u3002\u5efa\u8bae\u6839\u636e\u670d\u52a1\u5668\u786c\u4ef6\u914d\u7f6e\uff08CPU\u6838\u5fc3\u6570\u3001\u5185\u5b58\u5927\u5c0f\uff09\u548c\u5b9e\u9645\u8bdd\u52a1\u6a21\u578b\u6765\u5408\u7406\u8bbe\u7f6eSS_MAX_CPS\u503c\u3002\u4e00\u822c\u7ecf\u9a8c\u662f\uff1a8\u683816GB\u5185\u5b58\u7684\u670d\u52a1\u5668\u5efa\u8bae\u8bbe\u7f6e\u4e3a200-300 CPS\uff1b16\u683832GB\u5185\u5b58\u7684\u670d\u52a1\u5668\u53ef\u4ee5\u8bbe\u7f6e\u5230500-800 CPS\u3002\u8bbe\u7f6e\u540e\u5e94\u5bc6\u5207\u76d1\u63a7\u7cfb\u7edf\u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\uff0c\u9010\u6b65\u8c03\u6574\u5230\u6700\u4f73\u503c\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-\u95ee\u9898-7-\uff1a\u5982\u4f55\u4f7f\u7528-debug-trace\u6df1\u5165\u5206\u6790-vos-3000-\u6302\u65ad\u539f\u56e0-503-\uff1f\">\u2753 \u95ee\u98987\uff1a\u5982\u4f55\u4f7f\u7528Debug Trace\u6df1\u5165\u5206\u6790VOS 3000 \u6302\u65ad\u539f\u56e0 503\uff1f<\/h3>\n\n\n\n<p>\u5f53\u5e38\u89c4\u6392\u67e5\u65b9\u6cd5\u65e0\u6cd5\u786e\u5b9a<strong>VOS 3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u7684\u5177\u4f53\u539f\u56e0\u65f6\uff0cDebug Trace\u662f\u6700\u6709\u529b\u7684\u6df1\u5ea6\u5206\u6790\u5de5\u5177\u3002\u4f7f\u7528\u65b9\u6cd5\u5982\u4e0b\uff1a\u9996\u5148\u5728VOS3000\u7ba1\u7406\u754c\u9762\u4e2d\u8fdb\u5165\u7cfb\u7edf\u8c03\u8bd5\u529f\u80fd\uff0c\u542f\u7528Debug Trace\u5e76\u8bbe\u7f6e\u8fc7\u6ee4\u6761\u4ef6\uff08\u5982\u6307\u5b9a\u6e90IP\u6216\u88ab\u53eb\u53f7\u7801\uff09\u3002\u7136\u540e\u4ece\u95ee\u9898\u7ec8\u7aef\u53d1\u8d77\u6d4b\u8bd5\u547c\u53eb\uff0c\u91cd\u73b0503\u6216408\u9519\u8bef\u3002Debug Trace\u4f1a\u8bb0\u5f55\u5b8c\u6574\u7684SIP\u4fe1\u4ee4\u4ea4\u4e92\u8fc7\u7a0b\uff0c\u5305\u62ecVOS3000\u53d1\u51fa\u7684INVITE\u8bf7\u6c42\u3001\u6536\u5230\u7684100 Trying\/180 Ringing\u4e34\u65f6\u54cd\u5e94\u3001\u4ee5\u53ca\u6700\u7ec8\u7684\u9519\u8bef\u54cd\u5e94\uff08\u5982503\u6216408\uff09\u3002\u901a\u8fc7\u5206\u6790\u8fd9\u4e9bSIP\u6d88\u606f\uff0c\u60a8\u53ef\u4ee5\u7cbe\u786e\u5b9a\u4f4d\u95ee\u9898\u53d1\u751f\u5728\u54ea\u4e2a\u73af\u8282\u2014\u2014\u662fINVITE\u6839\u672c\u6ca1\u6709\u53d1\u51fa\u53bb\uff08\u672c\u5730\u914d\u7f6e\u95ee\u9898\uff09\uff0c\u8fd8\u662fINVITE\u53d1\u51fa\u540e\u6ca1\u6709\u6536\u5230\u54cd\u5e94\uff08\u7f51\u7edc\u95ee\u9898\uff09\uff0c\u6216\u8005\u662f\u6536\u5230\u4e86503\u54cd\u5e94\uff08\u5bf9\u7aef\u95ee\u9898\uff09\u3002\u5982\u679c\u60a8\u5728\u5206\u6790Debug Trace\u65f6\u9047\u5230\u56f0\u96be\uff0c\u6b22\u8fce\u901a\u8fc7WhatsApp <strong>+8801911119966<\/strong> \u8054\u7cfb\u6211\u4eec\u7684\u6280\u672f\u56e2\u961f\u83b7\u53d6\u4e13\u4e1a\u652f\u6301\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u83b7\u53d6\u4e13\u4e1a-vos-3000-\u6280\u672f\u652f\u6301\">\u83b7\u53d6\u4e13\u4e1aVOS3000\u6280\u672f\u652f\u6301<\/h2>\n\n\n\n<p>\u5982\u679c\u60a8\u5728\u6392\u67e5<strong>VOS 3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u65f6\u9047\u5230\u590d\u6742\u95ee\u9898\uff0c\u6216\u8005\u9700\u8981\u4e13\u4e1a\u7684VOS3000\u7cfb\u7edf\u90e8\u7f72\u548c\u4f18\u5316\u670d\u52a1\uff0c\u6211\u4eecmultahost\u56e2\u961f\u968f\u65f6\u4e3a\u60a8\u63d0\u4f9b\u652f\u6301\u3002\u6211\u4eec\u62e5\u6709\u4e30\u5bcc\u7684VOS3000\u90e8\u7f72\u548c\u8fd0\u7ef4\u7ecf\u9a8c\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5feb\u901f\u89e3\u51b3SIP 503\/408\u9519\u8bef\u3001\u4f18\u5316\u5e76\u53d1\u548cCPS\u914d\u7f6e\u3001\u8bbe\u8ba1\u9ad8\u53ef\u7528\u7684Failover\u8def\u7531\u67b6\u6784\uff0c\u4ee5\u53ca\u8fdb\u884cCentOS 7\u7cfb\u7edf\u5c42\u9762\u7684UDP\u7f13\u51b2\u533a\u8c03\u4f18\u3002\u65e0\u8bba\u60a8\u662f\u65b0\u5efaVoIP\u4e1a\u52a1\u8fd8\u662f\u4f18\u5316\u73b0\u6709\u7cfb\u7edf\uff0c\u6211\u4eec\u90fd\u80fd\u63d0\u4f9b\u91cf\u8eab\u5b9a\u5236\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n\n\n\n<p>\ud83d\udcde \u7acb\u5373\u8054\u7cfb\u6211\u4eec\u7684\u4e13\u4e1a\u56e2\u961f\uff1a<strong>WhatsApp: +8801911119966<\/strong><\/p>\n\n\n\n<p>\u6211\u4eec\u63d0\u4f9b\u7684\u670d\u52a1\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\uff1aVOS3000\u670d\u52a1\u5668\u5b89\u88c5\u4e0e\u914d\u7f6e\u3001<strong>VOS 3000 \u6302\u65ad\u539f\u56e0 503<\/strong>\u6545\u969c\u6392\u67e5\u4e0e\u4fee\u590d\u3001Failover\u6545\u969c\u8f6c\u79fb\u8def\u7531\u8bbe\u8ba1\u3001CPS\u548c\u5e76\u53d1\u9650\u5236\u4f18\u5316\u3001SIP\u4e2d\u7ee7\u5bf9\u63a5\u3001\u4ee5\u53ca\u5168\u65b9\u4f4d\u7684\u7cfb\u7edf\u76d1\u63a7\u4e0e\u544a\u8b66\u914d\u7f6e\u3002\u6211\u4eec\u7684\u5de5\u7a0b\u5e08\u56e2\u961f\u53ef\u4ee5\u5e2e\u52a9\u60a8\u5728\u6700\u77ed\u65f6\u95f4\u5185\u89e3\u51b3\u7d27\u6025\u6545\u969c\uff0c\u5e76\u786e\u4fdd\u6240\u6709\u53c2\u6570\u90fd\u7ecf\u8fc7\u4e25\u683c\u6d4b\u8bd5\u548c\u4f18\u5316\u3002<\/p>\n\n\n\n<p>\ud83d\udcde \u6280\u672f\u54a8\u8be2\u70ed\u7ebf\uff1a<strong>WhatsApp: +8801911119966<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udcde-need-call-center-setup-support\">\ud83d\udcde Need Professional VOS3000 Setup Support?<\/h2>\n\n\n\n<p>For professional VOS3000 installations and deployment, VOS3000 Server Rental Solution:<\/p>\n\n\n\n<p>\ud83d\udcf1 <strong>WhatsApp:<\/strong> <a href=\"https:\/\/wa.me\/8801911119966\" target=\"_blank\" rel=\"noopener\">+8801911119966<\/a><br>\ud83c\udf10 <strong>Website:<\/strong> <a href=\"https:\/\/www.vos3000.com\" target=\"_blank\" rel=\"noopener\">www.vos3000.com<\/a><br>\ud83c\udf10 <strong>Blog:<\/strong> <a href=\"https:\/\/multahost.com\/blog\">multahost.com\/blog<\/a><br>\ud83d\udce5 <strong>Downloads:<\/strong> <a href=\"https:\/\/www.vos3000.com\/downloads.php\" target=\"_blank\" rel=\"noopener\">VOS3000 Downloads<\/a><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><img data-recalc-dims=\"1\" height=\"540\" width=\"809\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-%E6%9C%8D%E5%8A%A1%E5%99%A8%E8%BF%81%E7%A7%BB-VOS3000-%E8%B4%9F%E4%BD%99%E9%A2%9D%E9%98%BB%E6%96%AD-VOS3000-%E8%BD%AC%E7%A0%81-DTMF-VOS3000-%E6%8C%82%E6%96%AD%E5%8E%9F%E5%9B%A0-503-VOS3000-%E6%97%B6%E9%97%B4%E8%B7%AF%E7%94%B1-5.png?resize=809%2C540\" alt=\"VOS3000 \u670d\u52a1\u5668\u8fc1\u79fb, VOS3000 \u8d1f\u4f59\u989d\u963b\u65ad, VOS3000 \u8f6c\u7801 DTMF, VOS3000 \u6302\u65ad\u539f\u56e0 503, VOS3000 \u65f6\u95f4\u8def\u7531\" title=\"\"><\/td><td><img data-recalc-dims=\"1\" height=\"540\" width=\"809\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-%E6%9C%8D%E5%8A%A1%E5%99%A8%E8%BF%81%E7%A7%BB-VOS3000-%E8%B4%9F%E4%BD%99%E9%A2%9D%E9%98%BB%E6%96%AD-VOS3000-%E8%BD%AC%E7%A0%81-DTMF-VOS3000-%E6%8C%82%E6%96%AD%E5%8E%9F%E5%9B%A0-503-VOS3000-%E6%97%B6%E9%97%B4%E8%B7%AF%E7%94%B1-5.png?resize=809%2C540\" alt=\"VOS3000 \u670d\u52a1\u5668\u8fc1\u79fb, VOS3000 \u8d1f\u4f59\u989d\u963b\u65ad, VOS3000 \u8f6c\u7801 DTMF, VOS3000 \u6302\u65ad\u539f\u56e0 503, VOS3000 \u65f6\u95f4\u8def\u7531\" title=\"\"><\/td><td><img data-recalc-dims=\"1\" height=\"540\" width=\"809\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-%E6%9C%8D%E5%8A%A1%E5%99%A8%E8%BF%81%E7%A7%BB-VOS3000-%E8%B4%9F%E4%BD%99%E9%A2%9D%E9%98%BB%E6%96%AD-VOS3000-%E8%BD%AC%E7%A0%81-DTMF-VOS3000-%E6%8C%82%E6%96%AD%E5%8E%9F%E5%9B%A0-503-VOS3000-%E6%97%B6%E9%97%B4%E8%B7%AF%E7%94%B1-5.png?resize=809%2C540\" alt=\"VOS3000 \u670d\u52a1\u5668\u8fc1\u79fb, VOS3000 \u8d1f\u4f59\u989d\u963b\u65ad, VOS3000 \u8f6c\u7801 DTMF, VOS3000 \u6302\u65ad\u539f\u56e0 503, VOS3000 \u65f6\u95f4\u8def\u7531\" title=\"\"><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>VOS3000 \u6302\u65ad\u539f\u56e0 503 \u9519\u8bef\u89e3\u51b3\u65b9\u6cd5\uff1aSIP 503 Service Unavailable\u4e0e408 Request Timeout\u6545\u969c\u6392\u67e5\u3001\u5e76\u53d1\u9650\u5236\u8c03\u6574\u3001CPS\u914d\u7f6e\u4f18\u5316\u5b8c\u6574\u6307\u5357\u3002<\/p>\n","protected":false},"author":1,"featured_media":2912,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[2],"tags":[6993,6988,984,6485,6484,3858,6974,6965,4820,6967,6984,6986,6564,1389,6969,2011,6962,6961,6972,6983,6975,6987,6973,4937,6991,6977,4486,4492,6979,6981,6964,4502,6960,6994,6963,6978,4527,6966,6992,6970,6980,4477,6968,6990,6971,6982,6976,4503,6989,6985],"class_list":{"0":"post-2919","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","6":"hentry","7":"category-vos3000","8":"tag-multahost-vos3000","9":"tag-voip-","10":"tag-vos3000-2-1-9-07","11":"tag-vos3000-408-request-timeout","12":"tag-vos3000-503-service-unavailable","13":"tag-vos3000-cdr","14":"tag-vos3000-centos-7","15":"tag-vos3000-cps","16":"tag-vos3000-debug-trace","17":"tag-vos3000-failover","18":"tag-vos3000-invite","19":"tag-vos3000-iptables","20":"tag-vos3000-line-limit","21":"tag-vos3000-mapping-gateway","22":"tag-vos3000-noavailablerouter","23":"tag-vos3000-rate-limit","24":"tag-vos3000-sip-408","25":"tag-vos3000-sip-503","26":"tag-vos3000-sip","28":"tag-vos3000-ss_max_cps","29":"tag-vos3000-sysctl","30":"tag-vos3000-udp","31":"tag-vos3000-","40":"tag-vos3000--503","41":"tag-vos3000--503-"},"acf":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-%E6%9C%8D%E5%8A%A1%E5%99%A8%E8%BF%81%E7%A7%BB-VOS3000-%E8%B4%9F%E4%BD%99%E9%A2%9D%E9%98%BB%E6%96%AD-VOS3000-%E8%BD%AC%E7%A0%81-DTMF-VOS3000-%E6%8C%82%E6%96%AD%E5%8E%9F%E5%9B%A0-503-VOS3000-%E6%97%B6%E9%97%B4%E8%B7%AF%E7%94%B1-3.png?fit=1536%2C1024&ssl=1?v=1776137072","jetpack-related-posts":[{"id":2556,"url":"https:\/\/multahost.com\/blog\/vos3000%e9%94%99%e8%af%af%e4%bb%a3%e7%a0%81%e5%a4%a7%e5%85%a8\/","url_meta":{"origin":2919,"position":0},"title":"VOS3000\u9519\u8bef\u4ee3\u7801\u5927\u5168 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https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-session-timer-VOS3000-call-end-reasons-VOS3000-Work-Calendar-VOS3000-geofencing-VOS3000%E8%BD%AF%E4%BA%A4%E6%8D%A2%E5%8F%82%E6%95%B0%E4%BC%98%E5%8C%96-VOS3000%E9%94%99%E8%AF%AF%E4%BB%A3%E7%A0%81%E5%A4%A7%E5%85%A8-VOS3000%E8%B4%A6%E6%88%B7%E6%9D%83%E9%99%90%E7%AE%A1%E7%90%86-7.png?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-session-timer-VOS3000-call-end-reasons-VOS3000-Work-Calendar-VOS3000-geofencing-VOS3000%E8%BD%AF%E4%BA%A4%E6%8D%A2%E5%8F%82%E6%95%B0%E4%BC%98%E5%8C%96-VOS3000%E9%94%99%E8%AF%AF%E4%BB%A3%E7%A0%81%E5%A4%A7%E5%85%A8-VOS3000%E8%B4%A6%E6%88%B7%E6%9D%83%E9%99%90%E7%AE%A1%E7%90%86-7.png?fit=1200%2C800&ssl=1&resize=700%2C400 2x, 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