{"id":3481,"date":"2026-04-30T04:00:11","date_gmt":"2026-04-30T04:00:11","guid":{"rendered":"https:\/\/multahost.com\/blog\/?p=3481"},"modified":"2026-04-30T04:10:59","modified_gmt":"2026-04-30T04:10:59","slug":"vos3000-display-caller-id","status":"publish","type":"post","link":"https:\/\/multahost.com\/blog\/vos3000-display-caller-id\/","title":{"rendered":"VOS3000 Display Caller ID Forwarding Important Flexible Number Presentation Control"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\" id=\"vos-3000-display-caller-id-forwarding-flexible-number-presentation-control\">VOS3000 Display Caller ID Forwarding: Flexible Number Presentation Control<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcde When a call is forwarded from your VOS3000 phone extension to another number, what does the called party see on their display? Do they see your original caller&#8217;s number, or do they see your extension&#8217;s number? The answer is controlled by the <strong>VOS3000 display caller ID forwarding<\/strong> settings \u2014 a set of per-phone and system-level configurations that determine which number is presented in three distinct call scenarios: normal forwarding, normal call transfer, and attended (ask) call transfer. \ud83c\udfaf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udccb According to the official VOS3000 V2.1.9.07 Manual, Section 2.5.2 (Supplementary Service), the display and forwarding number presentation offers three options for each scenario: <strong>Default<\/strong> (use the system parameter setting), <strong>Original caller<\/strong> (display the caller&#8217;s number), and <strong>Local number<\/strong> (display the phone&#8217;s own number). These settings interact with system-level parameters like SS_CALL_FORWARD_USING_ORIGINAL_CALLER, SS_CALL_TRANSFER_NORMAL_DISPLAY, and SS_CALL_TRANSFER_ASK_DISPLAY. \ud83d\udd04<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd27 All data in this guide is sourced exclusively from the official VOS3000 V2.1.9.07 Manual, Section 2.5.2 \u2014 no fabricated values, no guesswork. For expert assistance with your VOS3000 deployment, contact us on WhatsApp at <strong>+8801911119966<\/strong>. \ud83d\udca1<\/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-display-caller-id-forwarding-flexible-number-presentation-control\">VOS3000 Display Caller ID Forwarding: Flexible Number Presentation Control<\/a><ul><li><a href=\"#\ud83d\udd10-what-is-vos-3000-display-caller-id-forwarding\">\ud83d\udd10 What Is VOS3000 Display Caller ID Forwarding?<\/a><ul><li><a href=\"#\ud83c\udfaf-why-vos-3000-display-caller-id-forwarding-matters\">\ud83c\udfaf Why VOS3000 Display Caller ID Forwarding Matters<\/a><\/li><\/ul><\/li><li><a href=\"#\u2699\ufe0f-forward-display-number-three-options-explained\">\u2699\ufe0f Forward Display Number \u2014 Three Options Explained<\/a><\/li><li><a href=\"#\ud83d\udccb-call-transfer-display-normal-and-ask-transfer\">\ud83d\udccb Call Transfer Display \u2014 Normal and Ask Transfer<\/a><\/li><li><a href=\"#\ud83d\udd17-system-parameters-for-default-caller-id-behavior\">\ud83d\udd17 System Parameters for Default Caller ID Behavior<\/a><\/li><li><a href=\"#\ud83d\udee1\ufe0f-common-display-caller-id-problems-and-solutions\">\ud83d\udee1\ufe0f Common VOS3000 Display Caller ID Problems and Solutions<\/a><ul><li><a href=\"#\u274c-problem-1-forwarded-calls-show-wrong-number\">\u274c Problem 1: Forwarded Calls Show Wrong Number<\/a><\/li><li><a href=\"#\u274c-problem-2-caller-id-privacy-breach-on-transferred-calls\">\u274c Problem 2: Caller ID Privacy Breach on Transferred Calls<\/a><\/li><li><a href=\"#\u274c-problem-3-display-caller-id-toggle-not-working\">\u274c Problem 3: Display Caller ID Toggle Not Working<\/a><\/li><\/ul><\/li><li><a href=\"#\ud83d\udcca-vos-3000-display-caller-id-configuration-checklist\">\ud83d\udcca VOS3000 Display Caller ID Configuration Checklist<\/a><\/li><li><a href=\"#\u2753-frequently-asked-questions\">\u2753 Frequently Asked Questions<\/a><ul><li><a href=\"#\u2753-what-is-vos-3000-display-caller-id-forwarding\">\u2753 What is VOS3000 display caller ID forwarding?<\/a><\/li><li><a href=\"#\u2753-what-is-the-difference-between-original-caller-and-local-number\">\u2753 What is the difference between Original caller and Local number?<\/a><\/li><li><a href=\"#\u2753-what-does-the-default-option-do\">\u2753 What does the Default option do?<\/a><\/li><li><a href=\"#\u2753-how-do-i-hide-the-original-callers-number-on-forwarded-calls\">\u2753 How do I hide the original caller&#8217;s number on forwarded calls?<\/a><\/li><li><a href=\"#\u2753-does-display-caller-id-affect-outbound-calls\">\u2753 Does Display caller ID affect outbound calls?<\/a><\/li><li><a href=\"#\u2753-can-i-set-different-caller-id-display-for-internal-vs-external-forwarding\">\u2753 Can I set different caller ID display for internal vs external forwarding?<\/a><\/li><\/ul><\/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\udd10-what-is-vos-3000-display-caller-id-forwarding\">\ud83d\udd10 What Is VOS3000 Display Caller ID Forwarding?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u23f1\ufe0f The <strong>VOS3000 display caller ID forwarding<\/strong> settings control which telephone number is presented to the called party in different call scenarios. When a call is forwarded or transferred, there are always at least two parties involved: the original caller and the forwarding phone. The question is: which number should appear on the final called party&#8217;s display? \ud83d\udccb VOS3000 Display Caller ID Forwarding<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udccc According to the official VOS3000 V2.1.9.07 Manual, Section 2.5.2:<\/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\">Setting<\/th><th class=\"has-text-align-left\" data-align=\"left\">Options<\/th><th class=\"has-text-align-left\" data-align=\"left\">Manual Description<\/th><\/tr><tr><td>\ud83d\udccb <strong>Forward display number<\/strong><\/td><td>Default \/ Original caller \/ Local number<\/td><td>Controls which number is displayed when call is forwarded<\/td><\/tr><tr><td>\ud83d\udcde <strong>Normal call transfer display<\/strong><\/td><td>Default \/ Original caller \/ Local number<\/td><td>Controls which number is displayed on normal transfer<\/td><\/tr><tr><td>\ud83d\udd04 <strong>Ask call transfer display<\/strong><\/td><td>Default \/ Original caller \/ Local number<\/td><td>Controls which number is displayed on attended transfer<\/td><\/tr><tr><td>\ud83d\udcde <strong>Display caller id<\/strong><\/td><td>On \/ Off<\/td><td>Display the caller&#8217;s ID \u2014 controls whether caller ID is shown at all<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>Key insight:<\/strong> The VOS3000 manual provides three display options for each scenario. &#8220;Default&#8221; means the system-level parameter is used \u2014 this allows administrators to set a global policy while still permitting per-phone overrides. &#8220;Original caller&#8221; passes through the calling party&#8217;s number (the person who initiated the call). &#8220;Local number&#8221; substitutes the forwarding phone&#8217;s own number, effectively hiding the original caller&#8217;s identity. \ud83d\udd12<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\ud83c\udfaf-why-vos-3000-display-caller-id-forwarding-matters\">\ud83c\udfaf Why VOS3000 Display Caller ID Forwarding Matters<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u26a0\ufe0f Incorrect caller ID presentation on forwarded calls causes several problems:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udcde <strong>Missed callbacks:<\/strong> If a forwarded call shows the forwarding phone&#8217;s number instead of the original caller, the called party cannot call the original person back directly<\/li>\n\n\n\n<li>\ud83c\udfe2 <strong>Privacy concerns:<\/strong> Some callers do not want their number passed through to third parties when calls are forwarded \u2014 their number should remain private<\/li>\n\n\n\n<li>\ud83d\udd04 <strong>Brand identity:<\/strong> Businesses want their company number (not the employee&#8217;s personal extension) displayed when calls are forwarded to external parties<\/li>\n\n\n\n<li>\ud83d\udcca <strong>Caller confusion:<\/strong> When the called party sees an unfamiliar number, they may not answer \u2014 reducing call completion rates for forwarded calls<\/li>\n\n\n\n<li>\ud83d\udee1\ufe0f <strong>Regulatory compliance:<\/strong> Some jurisdictions have strict rules about caller ID presentation on forwarded and transferred calls<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u2699\ufe0f-forward-display-number-three-options-explained\">\u2699\ufe0f Forward Display Number \u2014 Three Options Explained<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd04 The <strong>VOS3000 display caller ID forwarding<\/strong> &#8220;Forward display number&#8221; setting controls what the final called party sees when a call is forwarded from this phone. The VOS3000 manual provides three options, each with distinct behavior: \ud83d\udce1 VOS3000 Display Caller ID Forwarding<\/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\">Option<\/th><th class=\"has-text-align-left\" data-align=\"left\">Manual Description<\/th><th class=\"has-text-align-left\" data-align=\"left\">What the Called Party Sees<\/th><\/tr><tr><td>\ud83d\udccb <strong>Default<\/strong><\/td><td>Use &#8220;Softswitch management &gt; Additional settings &gt; System parameter &gt; SS_CALL_FORWARD_USING_ORIGINAL_CALLER&#8221;<\/td><td>Depends on the system parameter \u2014 either Original caller or Local number<\/td><\/tr><tr><td>\ud83d\udcde <strong>Original caller<\/strong><\/td><td>Display caller&#8217;s number<\/td><td>The original caller&#8217;s number is shown (e.g., the external caller who dialed in)<\/td><\/tr><tr><td>\ud83c\udfe0 <strong>Local number<\/strong><\/td><td>Display the phone&#8217;s number<\/td><td>The forwarding phone&#8217;s own number is shown (hides the original caller&#8217;s identity)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<pre class=\"wp-block-preformatted\">\ud83d\udcde Forward Display Number \u2014 Example Scenario:\n\nExternal Caller (Alice): +1-555-0101\n    \u2502\n    \u2514\u2500\u2500 Calls Phone Extension 2001 (Bob)\n        \u2502\n        \u2514\u2500\u2500 Bob's phone forwards to Extension 3001 (Carol)\n\n    \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n    \u2502  What does Carol see on her display?                            \u2502\n    \u2502                                                                  \u2502\n    \u2502  Option: Original caller \u2192 Carol sees +1-555-0101 (Alice)      \u2502\n    \u2502  Option: Local number    \u2192 Carol sees 2001 (Bob's extension)    \u2502\n    \u2502  Option: Default         \u2192 Depends on SS_CALL_FORWARD setting   \u2502\n    \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcca <strong>Practical impact:<\/strong> If you choose &#8220;Original caller,&#8221; Carol can call Alice back directly because she sees Alice&#8217;s number. If you choose &#8220;Local number,&#8221; Carol sees Bob&#8217;s extension and can call Bob back \u2014 but she does not know Alice&#8217;s number. For help choosing the right setting, reach us on WhatsApp at <strong>+8801911119966<\/strong>. \ud83d\udcf1 VOS3000 Display Caller ID Forwarding<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udccb-call-transfer-display-normal-and-ask-transfer\">\ud83d\udccb Call Transfer Display \u2014 Normal and Ask Transfer<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd11 In addition to forward display number, VOS3000 provides separate display settings for call transfers. The VOS3000 manual distinguishes between &#8220;Normal call transfer display&#8221; and &#8220;Ask call transfer display,&#8221; each with the same three options (Default, Original caller, Local number). \ud83d\udee0\ufe0f<\/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\">Setting<\/th><th class=\"has-text-align-left\" data-align=\"left\">System Parameter (when Default)<\/th><th class=\"has-text-align-left\" data-align=\"left\">Description<\/th><\/tr><tr><td><strong>Forward display number<\/strong><\/td><td>SS_CALL_FORWARD_USING_ORIGINAL_CALLER<\/td><td>Controls caller ID on forwarded calls (call forwarding types)<\/td><\/tr><tr><td><strong>Normal call transfer display<\/strong><\/td><td>SS_CALL_TRANSFER_NORMAL_DISPLAY<\/td><td>Controls caller ID on blind\/immediate transfers (*1, *9 DTMF codes)<\/td><\/tr><tr><td><strong>Ask call transfer display<\/strong><\/td><td>SS_CALL_TRANSFER_ASK_DISPLAY<\/td><td>Controls caller ID on attended\/consultation transfers (*2, *3 DTMF codes)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>Why separate settings?<\/strong> The VOS3000 manual provides distinct display options for each transfer type because the business requirements may differ. For blind transfers (normal), you might want to show the original caller so the recipient knows who is calling. For attended transfers (ask), where the transferring party speaks with the recipient first, you might prefer to show the local number since the recipient already knows the context. For more on transfer DTMF codes, see our <a href=\"https:\/\/multahost.com\/blog\/vos3000-account-billing\/\">VOS3000 account billing<\/a> reference. \ud83d\udcd6<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udd17-system-parameters-for-default-caller-id-behavior\">\ud83d\udd17 System Parameters for Default Caller ID Behavior<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udccb When the per-phone display setting is set to &#8220;Default,&#8221; VOS3000 uses the corresponding system parameter to determine the caller ID presentation. These system parameters are configured in the softswitch management additional settings: \ud83d\udee0\ufe0f VOS3000 Display Caller ID Forwarding<\/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\">Parameter<\/th><th class=\"has-text-align-left\" data-align=\"left\">Controls<\/th><th class=\"has-text-align-left\" data-align=\"left\">Location<\/th><\/tr><tr><td><strong>SS_CALL_FORWARD_USING_ORIGINAL_CALLER<\/strong><\/td><td>Default behavior for Forward display number<\/td><td>Softswitch management &gt; Additional settings &gt; System parameter<\/td><\/tr><tr><td><strong>SS_CALL_TRANSFER_NORMAL_DISPLAY<\/strong><\/td><td>Default behavior for Normal call transfer display<\/td><td>Softswitch management &gt; Additional settings &gt; System parameter<\/td><\/tr><tr><td><strong>SS_CALL_TRANSFER_ASK_DISPLAY<\/strong><\/td><td>Default behavior for Ask call transfer display<\/td><td>Softswitch management &gt; Additional settings &gt; System parameter<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udccd <strong>Best practice:<\/strong> Set the system parameters to your organization&#8217;s default preference, then use per-phone overrides for specific extensions that need different behavior. This provides a global policy with per-exception flexibility. For more on system parameters, see our <a href=\"https:\/\/multahost.com\/blog\/vos3000-parameter-description\/\">VOS3000 parameter description<\/a> guide. \ud83d\udcd6<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udee1\ufe0f-common-display-caller-id-problems-and-solutions\">\ud83d\udee1\ufe0f Common VOS3000 Display Caller ID Problems and Solutions<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u274c-problem-1-forwarded-calls-show-wrong-number\">\u274c Problem 1: Forwarded Calls Show Wrong Number<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd0d <strong>Symptom:<\/strong> When a call is forwarded from Phone A to Phone B, Phone B&#8217;s display shows Phone A&#8217;s extension number instead of the original external caller&#8217;s number.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>Cause:<\/strong> The &#8220;Forward display number&#8221; setting on Phone A is set to &#8220;Local number&#8221; (or the Default system parameter is configured for local number display).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2705 <strong>Solutions:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udccb Change the &#8220;Forward display number&#8221; setting on Phone A to &#8220;Original caller&#8221;<\/li>\n\n\n\n<li>\ud83d\udd27 If set to &#8220;Default,&#8221; change the SS_CALL_FORWARD_USING_ORIGINAL_CALLER system parameter<\/li>\n\n\n\n<li>\ud83d\udd0d Verify the change by testing a forwarded call and checking the called party&#8217;s display<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u274c-problem-2-caller-id-privacy-breach-on-transferred-calls\">\u274c Problem 2: Caller ID Privacy Breach on Transferred Calls<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd0d <strong>Symptom:<\/strong> When a call is transferred to an external number, the original caller&#8217;s number is displayed to the external party \u2014 potentially violating privacy expectations.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>Cause:<\/strong> The transfer display setting is configured to &#8220;Original caller,&#8221; which passes the original caller&#8217;s number through to the transferred destination, even if that destination is external. VOS3000 Display Caller ID Forwarding<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2705 <strong>Solutions:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udd10 Change the transfer display setting to &#8220;Local number&#8221; for phones that transfer calls to external parties<\/li>\n\n\n\n<li>\ud83d\udccb Configure &#8220;Normal call transfer display&#8221; and &#8220;Ask call transfer display&#8221; per your privacy requirements<\/li>\n\n\n\n<li>\ud83d\udcde Use &#8220;Local number&#8221; for external transfers and &#8220;Original caller&#8221; for internal transfers<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u274c-problem-3-display-caller-id-toggle-not-working\">\u274c Problem 3: Display Caller ID Toggle Not Working<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd0d <strong>Symptom:<\/strong> The &#8220;Display caller id&#8221; supplementary service is enabled\/disabled, but caller ID presentation does not change \u2014 callers always see the number or never see it.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udca1 <strong>Cause:<\/strong> The &#8220;Display caller id&#8221; setting controls whether the phone&#8217;s caller ID is shown at all. If set to Off, the phone&#8217;s number should not be presented. However, some SIP providers and gateway configurations may override this setting at the network level.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2705 <strong>Solutions:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\ud83d\udccb Verify the &#8220;Display caller id&#8221; checkbox is properly set in Supplementary service<\/li>\n\n\n\n<li>\ud83d\udd0d Check if the mapping gateway or routing gateway has caller ID override settings<\/li>\n\n\n\n<li>\ud83d\udcde Test with an external call to see if the carrier is overriding the caller ID presentation<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\ud83d\udcca-vos-3000-display-caller-id-configuration-checklist\">\ud83d\udcca VOS3000 Display Caller ID Configuration Checklist<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u2705 Use this checklist when configuring caller ID display settings:<\/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\">Check<\/th><th class=\"has-text-align-left\" data-align=\"left\">Action<\/th><th class=\"has-text-align-left\" data-align=\"left\">Status<\/th><\/tr><tr><td>\ud83d\udccc 1<\/td><td>Set system parameters (SS_CALL_FORWARD_USING_ORIGINAL_CALLER, etc.) to your organization&#8217;s default<\/td><td>\u2610<\/td><\/tr><tr><td>\ud83d\udccc 2<\/td><td>Configure per-phone &#8220;Forward display number&#8221; based on business requirements<\/td><td>\u2610<\/td><\/tr><tr><td>\ud83d\udccc 3<\/td><td>Configure &#8220;Normal call transfer display&#8221; and &#8220;Ask call transfer display&#8221; per phone<\/td><td>\u2610<\/td><\/tr><tr><td>\ud83d\udccc 4<\/td><td>Enable &#8220;Display caller id&#8221; supplementary service where caller ID should be shown<\/td><td>\u2610<\/td><\/tr><tr><td>\ud83d\udccc 5<\/td><td>Test forwarded calls to verify the correct number is displayed<\/td><td>\u2610<\/td><\/tr><tr><td>\ud83d\udccc 6<\/td><td>Test transferred calls (both blind and attended) to verify display behavior<\/td><td>\u2610<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcde For expert guidance on VOS3000 caller ID configuration, reach us on WhatsApp at <strong>+8801911119966<\/strong>. \ud83d\udca1 VOS3000 Display Caller ID Forwarding<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u2753-frequently-asked-questions\">\u2753 Frequently Asked Questions<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-what-is-vos-3000-display-caller-id-forwarding\">\u2753 What is VOS3000 display caller ID forwarding?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcde <strong>VOS3000 display caller ID forwarding<\/strong> is a set of per-phone settings that control which telephone number is presented to the called party when calls are forwarded or transferred. According to the VOS3000 V2.1.9.07 Manual (Section 2.5.2), there are three display options for each scenario: Default (use system parameter), Original caller (show the caller&#8217;s number), and Local number (show the phone&#8217;s own number). These settings apply to forwarded calls, blind transfers, and attended transfers independently. \ud83d\udccb<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-what-is-the-difference-between-original-caller-and-local-number\">\u2753 What is the difference between Original caller and Local number?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd04 &#8220;Original caller&#8221; displays the number of the person who originally initiated the call \u2014 the external caller&#8217;s number is passed through to the forwarded\/transfered destination. &#8220;Local number&#8221; displays the forwarding phone&#8217;s own number instead \u2014 the original caller&#8217;s identity is hidden and replaced with the forwarding extension&#8217;s number. For example, if Alice (+1-555-0101) calls Bob (ext 2001) and Bob forwards to Carol (ext 3001): Original caller \u2192 Carol sees +1-555-0101; Local number \u2192 Carol sees 2001. \ud83d\udca1<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-what-does-the-default-option-do\">\u2753 What does the Default option do?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udccb The &#8220;Default&#8221; option tells VOS3000 to use the corresponding system-level parameter instead of a per-phone setting. For Forward display number, the Default uses SS_CALL_FORWARD_USING_ORIGINAL_CALLER. For Normal call transfer display, it uses SS_CALL_TRANSFER_NORMAL_DISPLAY. For Ask call transfer display, it uses SS_CALL_TRANSFER_ASK_DISPLAY. These parameters are located at &#8220;Softswitch management &gt; Additional settings &gt; System parameter.&#8221; Default provides a global policy that can be overridden on individual phones when needed. \ud83d\udd27<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-how-do-i-hide-the-original-callers-number-on-forwarded-calls\">\u2753 How do I hide the original caller&#8217;s number on forwarded calls?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udd10 To hide the original caller&#8217;s number when calls are forwarded, set the &#8220;Forward display number&#8221; to &#8220;Local number&#8221; on the phone that is forwarding calls. This will display the forwarding phone&#8217;s own number instead of the original caller&#8217;s number to the called party. Alternatively, set the system parameter SS_CALL_FORWARD_USING_ORIGINAL_CALLER to show the local number by default, and it will apply to all phones using the &#8220;Default&#8221; option. \ud83d\udee1\ufe0f<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-does-display-caller-id-affect-outbound-calls\">\u2753 Does Display caller ID affect outbound calls?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udcde Yes. The &#8220;Display caller id&#8221; supplementary service controls whether the phone&#8217;s caller ID is shown to the called party on outbound calls. According to the VOS3000 manual, this setting &#8220;display the caller&#8217;s ID&#8221; \u2014 when enabled, the phone&#8217;s number is presented to the called party. When disabled, the caller ID may be suppressed (depending on the carrier and SIP provider configuration). The &#8220;Forward display number&#8221; and &#8220;Call transfer display&#8221; settings are specifically for forwarded and transferred calls, not for direct outbound calls. \ud83d\udccb<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u2753-can-i-set-different-caller-id-display-for-internal-vs-external-forwarding\">\u2753 Can I set different caller ID display for internal vs external forwarding?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83c\udfe2 The per-phone settings in VOS3000 apply to all forwarding\/transfer scenarios for that phone \u2014 there is no built-in distinction between internal and external forwarding destinations in the display settings. However, you can use creative workarounds: configure the system parameter for your most common scenario (e.g., internal forwarding), then override individual phones that forward to external numbers with the &#8220;Local number&#8221; option to protect caller privacy on external transfers. For more on <a href=\"https:\/\/multahost.com\/blog\/vos3000-call-routing\/\">call forwarding types<\/a>, see our comprehensive guide. \ud83d\udca1<\/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 class=\"wp-block-paragraph\">For professional VOS3000 installations and deployment, VOS3000 Server Rental Solution:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\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=\"809\" width=\"809\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-IVR-Codec-Priority-VOS3000-IVR-Voicemail-Navigation-VOS3000-IVR-Custom-Ringback-Tone-VOS3000-IVR-DTMF-Parse-Mode-VOS3000-IVR-Voicemail-System-2.png?resize=809%2C809\" alt=\"VOS3000 Authorization Type Hierarchy, VOS3000 Reverse Charging, VOS3000 DID DDI Numbers, VOS3000 Call Forwarding Types, VOS3000 Do Not Disturb Mode, VOS3000 Display Caller ID Forwarding, VOS3000 Monthly Consumption Limits, VOS3000 IVR Callback Timing, VOS3000 IVR Call State UDP Reporting, VOS3000 IVR Codec Priority, VOS3000 IVR Voicemail Navigation, VOS3000 IVR Custom Ringback Tone, VOS3000 IVR DTMF Parse Mode, VOS3000 IVR Voicemail System, VOS3000 authorization type hierarchy, VOS3000 reverse charging configuration, VOS3000 DID DDI numbers, VOS3000 call forwarding types, VOS3000 do not disturb mode, VOS3000 display caller ID forwarding, VOS3000 monthly consumption limits, VOS3000 IVR callback timing, VOS3000 IVR call state UDP, VOS3000 IVR codec priority, VOS3000 IVR inband DTMF detection, VOS3000 IVR DTMF parse mode, VOS3000 IVR voicemail system, VOS3000 IVR voice alarm configuration, VOS3000 IVR custom ringback tone, VOS3000 IVR voicemail navigation\" title=\"\"><\/td><td><img data-recalc-dims=\"1\" height=\"809\" width=\"809\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-IVR-Codec-Priority-VOS3000-IVR-Voicemail-Navigation-VOS3000-IVR-Custom-Ringback-Tone-VOS3000-IVR-DTMF-Parse-Mode-VOS3000-IVR-Voicemail-System-2.png?resize=809%2C809\" alt=\"VOS3000 Authorization Type Hierarchy, VOS3000 Reverse Charging, VOS3000 DID DDI Numbers, VOS3000 Call Forwarding Types, VOS3000 Do Not Disturb Mode, VOS3000 Display Caller ID Forwarding, VOS3000 Monthly Consumption Limits, VOS3000 IVR Callback Timing, VOS3000 IVR Call State UDP Reporting, VOS3000 IVR Codec Priority, VOS3000 IVR Voicemail Navigation, VOS3000 IVR Custom Ringback Tone, VOS3000 IVR DTMF Parse Mode, VOS3000 IVR Voicemail System, VOS3000 authorization type hierarchy, VOS3000 reverse charging configuration, VOS3000 DID DDI numbers, VOS3000 call forwarding types, VOS3000 do not disturb mode, VOS3000 display caller ID forwarding, VOS3000 monthly consumption limits, VOS3000 IVR callback timing, VOS3000 IVR call state UDP, VOS3000 IVR codec priority, VOS3000 IVR inband DTMF detection, VOS3000 IVR DTMF parse mode, VOS3000 IVR voicemail system, VOS3000 IVR voice alarm configuration, VOS3000 IVR custom ringback tone, VOS3000 IVR voicemail navigation\" title=\"\"><\/td><td><img data-recalc-dims=\"1\" height=\"809\" width=\"809\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-IVR-Codec-Priority-VOS3000-IVR-Voicemail-Navigation-VOS3000-IVR-Custom-Ringback-Tone-VOS3000-IVR-DTMF-Parse-Mode-VOS3000-IVR-Voicemail-System-2.png?resize=809%2C809\" alt=\"VOS3000 Authorization Type Hierarchy, VOS3000 Reverse Charging, VOS3000 DID DDI Numbers, VOS3000 Call Forwarding Types, VOS3000 Do Not Disturb Mode, VOS3000 Display Caller ID Forwarding, VOS3000 Monthly Consumption Limits, VOS3000 IVR Callback Timing, VOS3000 IVR Call State UDP Reporting, VOS3000 IVR Codec Priority, VOS3000 IVR Voicemail Navigation, VOS3000 IVR Custom Ringback Tone, VOS3000 IVR DTMF Parse Mode, VOS3000 IVR Voicemail System, VOS3000 authorization type hierarchy, VOS3000 reverse charging configuration, VOS3000 DID DDI numbers, VOS3000 call forwarding types, VOS3000 do not disturb mode, VOS3000 display caller ID forwarding, VOS3000 monthly consumption limits, VOS3000 IVR callback timing, VOS3000 IVR call state UDP, VOS3000 IVR codec priority, VOS3000 IVR inband DTMF detection, VOS3000 IVR DTMF parse mode, VOS3000 IVR voicemail system, VOS3000 IVR voice alarm configuration, VOS3000 IVR custom ringback tone, VOS3000 IVR voicemail navigation\" title=\"\"><\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Master VOS3000 display caller ID forwarding: control which number appears on forwarded, transferred, and normal calls. Configure Original caller vs Local number with SS_CALL_FORWARD settings.<\/p>\n","protected":false},"author":1,"featured_media":3450,"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_feature_clip_id":0,"_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":[11592,11599,11583,11584,11585,11566,11591,11594,11573,11596,8975,8984,11600,11581,6090,11598,11595,11605,11565,11579,11601,11578,11603,11593,11589,11567,11587,11604,11451,11597,11580,11576,11569,11568,11590,11574,11582,11588,8613,11586,11570,11572,11571,11575,11577,6907,11602],"class_list":["post-3481","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vos3000","tag-vos3000-additional-settings-system-parameter","tag-vos3000-call-forward-display","tag-vos3000-call-forwarding-display","tag-vos3000-call-transfer-display","tag-vos3000-caller-id-branding","tag-vos3000-caller-id-configuration","tag-vos3000-caller-id-default-setting","tag-vos3000-caller-id-forwarding-setup","tag-vos3000-caller-id-per-phone","tag-vos3000-caller-id-per-phone-configuration","tag-vos3000-caller-id-presentation","tag-vos3000-caller-id-privacy","tag-vos3000-caller-id-sip-header","tag-vos3000-caller-id-v2-1-9-07","tag-vos3000-display-caller-id","tag-vos3000-display-caller-id-activate","tag-vos3000-display-caller-id-best-practices","tag-vos3000-display-caller-id-faq","tag-vos3000-display-caller-id-forwarding","tag-vos3000-display-caller-id-manual","tag-vos3000-display-caller-id-phone-settings","tag-vos3000-display-caller-id-supplementary","tag-vos3000-display-caller-manual-reference","tag-vos3000-display-caller-troubleshooting","tag-vos3000-display-number-configuration","tag-vos3000-display-number-forwarding","tag-vos3000-extension-caller-id","tag-vos3000-forward-display-default","tag-vos3000-forward-display-number","tag-vos3000-forward-display-number-options","tag-vos3000-forward-display-number-setting","tag-vos3000-forwarded-call-display","tag-vos3000-local-number-display","tag-vos3000-original-caller-display","tag-vos3000-original-caller-vs-local-number","tag-vos3000-phone-caller-id-setting","tag-vos3000-phone-management-caller-id","tag-vos3000-phone-number-display","tag-vos3000-sip-from-header-display","tag-vos3000-softswitch-caller-id","tag-vos3000-ss_call_forward_using_original_caller","tag-vos3000-ss_call_transfer_ask_display","tag-vos3000-ss_call_transfer_normal_display","tag-vos3000-supplementary-service-caller-id","tag-vos3000-transfer-call-display","tag-vos3000-voip-caller-id","tag-vos3000-vos3000-caller-presentation"],"acf":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-IVR-Voicemail-Navigation-VOS3000-IVR-Custom-Ringback-Tone.png?fit=1774%2C887&ssl=1?v=1777502811","jetpack-related-posts":[{"id":3208,"url":"https:\/\/multahost.com\/blog\/vos3000-caller-source-header-selection\/","url_meta":{"origin":3481,"position":0},"title":"VOS3000 Caller Source Header Selection Complete From Remote-Party-ID Display Important","author":"king","date":"April 21, 2026","format":false,"excerpt":"VOS3000 caller source header selection configures CLI extraction from From, Remote-Party-ID, or Display headers. Accurate caller ID for mapping gateway routing.","rel":"","context":"In &quot;VOS3000&quot;","block_context":{"text":"VOS3000","link":"https:\/\/multahost.com\/blog\/category\/vos3000\/"},"img":{"alt_text":"VOS3000 Caller Source Header, VOS3000 Callee Source Header, VOS3000 Remote Ring Back Mode, VOS3000 Call Forward Signal Recognition, VOS3000 Replace Failed Reason","src":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Caller-Source-Header-VOS3000-Callee-Source-Header-VOS3000-Remote-Ring-Back-Mode-VOS3000-Call-Forward-Signal-Recognition-VOS3000-Replace-Failed-Reason.png?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Caller-Source-Header-VOS3000-Callee-Source-Header-VOS3000-Remote-Ring-Back-Mode-VOS3000-Call-Forward-Signal-Recognition-VOS3000-Replace-Failed-Reason.png?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Caller-Source-Header-VOS3000-Callee-Source-Header-VOS3000-Remote-Ring-Back-Mode-VOS3000-Call-Forward-Signal-Recognition-VOS3000-Replace-Failed-Reason.png?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Caller-Source-Header-VOS3000-Callee-Source-Header-VOS3000-Remote-Ring-Back-Mode-VOS3000-Call-Forward-Signal-Recognition-VOS3000-Replace-Failed-Reason.png?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Caller-Source-Header-VOS3000-Callee-Source-Header-VOS3000-Remote-Ring-Back-Mode-VOS3000-Call-Forward-Signal-Recognition-VOS3000-Replace-Failed-Reason.png?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":2705,"url":"https:\/\/multahost.com\/blog\/vos3000-caller-id-management-complete\/","url_meta":{"origin":3481,"position":1},"title":"VOS3000 Caller ID Management: Complete CLI Configuration Important Guide","author":"king","date":"April 9, 2026","format":false,"excerpt":"Master VOS3000 caller ID management with our complete CLI configuration guide. Learn caller number handling, prefix filtering, dial plans, and number transformation based on official manual.","rel":"","context":"In &quot;VOS3000&quot;","block_context":{"text":"VOS3000","link":"https:\/\/multahost.com\/blog\/category\/vos3000\/"},"img":{"alt_text":"VOS3000 Professional Installation, VOS3000 Dedicated Server Rental, VOS3000 Web API Account Management, VOS3000 Profit Margin, VOS3000 Daily Operations, VOS3000 Caller ID Management WhatsApp: +8801911119966 for your VOS3000 Services, VOS3000 One Time Installations and VOS3000 Server Rental","src":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Professional-Installation-Dedicated-Server-Rental-Web-API-Account-Management-Profit-Margin-Daily-Operations-Caller-ID-Management-8.png?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Professional-Installation-Dedicated-Server-Rental-Web-API-Account-Management-Profit-Margin-Daily-Operations-Caller-ID-Management-8.png?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Professional-Installation-Dedicated-Server-Rental-Web-API-Account-Management-Profit-Margin-Daily-Operations-Caller-ID-Management-8.png?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Professional-Installation-Dedicated-Server-Rental-Web-API-Account-Management-Profit-Margin-Daily-Operations-Caller-ID-Management-8.png?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-Professional-Installation-Dedicated-Server-Rental-Web-API-Account-Management-Profit-Margin-Daily-Operations-Caller-ID-Management-8.png?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":2891,"url":"https:\/\/multahost.com\/blog\/vos3000-p-asserted-identity-caller-id\/","url_meta":{"origin":3481,"position":2},"title":"VOS3000 P-Asserted-Identity: Caller ID Manipulation Important Guide for VoIP","author":"king","date":"April 13, 2026","format":false,"excerpt":"VOS3000 P-Asserted-Identity caller ID manipulation guide. Configure PAI, Privacy, P-Preferred-Identity headers for trusted caller ID presentation and compliance.","rel":"","context":"In &quot;VOS3000&quot;","block_context":{"text":"VOS3000","link":"https:\/\/multahost.com\/blog\/category\/vos3000\/"},"img":{"alt_text":"VOS3000 P-Asserted-Identity, VOS3000 Web Manager, VOS3000 DTMF Configuration, VOS3000 Agent Account, VOS3000 Transcoding","src":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-P-Asserted-Identity-VOS3000-Web-Manager-VOS3000-DTMF-Configuration-VOS3000-Agent-Account-VOS3000-Transcoding.png?fit=1200%2C800&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-P-Asserted-Identity-VOS3000-Web-Manager-VOS3000-DTMF-Configuration-VOS3000-Agent-Account-VOS3000-Transcoding.png?fit=1200%2C800&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-P-Asserted-Identity-VOS3000-Web-Manager-VOS3000-DTMF-Configuration-VOS3000-Agent-Account-VOS3000-Transcoding.png?fit=1200%2C800&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-P-Asserted-Identity-VOS3000-Web-Manager-VOS3000-DTMF-Configuration-VOS3000-Agent-Account-VOS3000-Transcoding.png?fit=1200%2C800&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/multahost.com\/blog\/wp-content\/uploads\/2026\/04\/VOS3000-P-Asserted-Identity-VOS3000-Web-Manager-VOS3000-DTMF-Configuration-VOS3000-Agent-Account-VOS3000-Transcoding.png?fit=1200%2C800&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":3469,"url":"https:\/\/multahost.com\/blog\/vos3000-did-ddi-numbers-complete\/","url_meta":{"origin":3481,"position":3},"title":"VOS3000 DID DDI Numbers Complete Direct Inward Dialing Best Configuration","author":"king","date":"April 30, 2026","format":false,"excerpt":"Master VOS3000 DID DDI numbers: map external PSTN numbers to internal extensions. 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