Master VOS3000 system white list for global allow-list configuration. Learn how system-level trusted numbers override all blocking rules and differ… Read More
Master VOS3000 black white list groups for multi-group access control. Configure named allow/deny groups, assign to accounts and gateways, and… Read More
Master VOS3000 callee balance verification with SERVER_PHONE_AS_CALLEE_MONEY_VERIFY. Prevent free inbound calls to zero-balance accounts and protect revenue. Read More
Master VOS3000 position keeper dollar sign ($) for dial plan variable retention. Preserve matched digit positions while inserting prefixes and… Read More
Master VOS3000 random routing patterns with semicolon and range syntax. Configure load-balanced gateway selection using semicolon-separated targets and numeric ranges. Read More
Master VOS3000 number length matching with L E G F escape characters. Configure length-based dial plan rules to prevent misrouting… Read More
Master VOS3000 dial plan wildcards with complete * and ? pattern syntax. Configure asterisk and question mark matching rules for… Read More
Master VOS3000 gateway group reserved lines configuration. Guarantee capacity for priority customers, prevent starvation during peak traffic, and combine with… Read More
Configure VOS3000 SIP OPTIONS online check for reliable gateway health monitoring. Auto-detect SIP port reachability and switch to backup per… Read More
Configure VOS3000 auxiliary ring tone with flexible activation delay. Set custom ringback tone timing per gateway for optimal caller experience… Read More
Master VOS3000 G729 Annex B silence suppression with 5 modes: Auto, Yes, No, None, Passthrough. Configure VAD per routing gateway,… Read More
Configure VOS3000 T38 fax over IP for essential fax protocol support. Enable T.38 signal for SIP and H323 gateways per… Read More
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