{"id":12017,"date":"2023-10-27T14:42:44","date_gmt":"2023-10-27T11:42:44","guid":{"rendered":"https:\/\/trueconf.com\/blog\/?p=12017"},"modified":"2026-03-12T11:44:45","modified_gmt":"2026-03-12T08:44:45","slug":"how-to-integrate-trueconf-server-and-cisco-unified-communication-manager-via-sip","status":"publish","type":"post","link":"https:\/\/trueconf.com/blog\/knowledge-base\/how-to-integrate-trueconf-server-and-cisco-unified-communication-manager-via-sip","title":{"rendered":"How to Integrate TrueConf Server and Cisco Unified Communication Manager via SIP"},"content":{"rendered":"

TrueConf Server<\/a> can be integrated with hardware video conferencing endpoints, PBXes (e.g. Asterisk<\/a>) and VoIP devices using TrueConf Server built-in SIP\/H.323 gateway.\u00a0Thanks to PBX integration, telephony subscribers can\u00a0call TrueConf Server users<\/a> and join conferences hosted on TrueConf Server. This guide will show how to integrate TrueConf Server with Cisco Unified Communication Manager (CUCM), an IP-based communications system.<\/p>\n

<\/p>\n

Step 1: Set up CUCM<\/span><\/h2>\n
    \n
  1. Open the PBX control panel.<\/span><\/li>\n
  2. Go to <\/span>Device \u2192 Trunk<\/strong>.<\/span><\/li>\n
  3. Click <\/span>Add New<\/strong> to add a new SIP trunk.<\/span><\/li>\n
  4. Configure the trunk by indicating the following:<\/li>\n<\/ol>\n
    \n\u00a0type (a),<\/strong>\u00a0protocol used (b)<\/strong><\/summary>\n

    \"\"<\/a><\/p>\n<\/details>\n

    \n\u00a0name (c)<\/strong>, description (d)<\/strong>, TrueConf Server customization template used to route calls (e)<\/strong>.<\/summary>\n

    \"\"<\/a><\/p>\n<\/details>\n

    \nIP address of your TrueConf Server (e)<\/strong>,\u00a0trunk security profile (f)<\/strong>, SIP profile used\u00a0(g)<\/strong><\/summary>\n

    Don\u2019t forget to indicate the port used by TrueConf Server for SIP connections if it is different from <\/span>5060<\/b>.<\/span>
    \n
    \n<\/a>    \"\"<\/a><\/p>\n<\/details>\n

    \nprefix used for making calls from the PBX to TrueConf client applications (i),<\/strong> call route (j)
    \n<\/strong><\/summary>\n

    The prefix format must be X.!<\/code> where<\/span><\/p>\n

    X is any character (0-9,*,#), e.g. 0.!<\/code><\/p>\n

    \"\"<\/a><\/p>\n<\/details>\n

    Save changes to the PBX.<\/span><\/p>\n

    Step 2: Set up TrueConf Server<\/span><\/h2>\n
      \n
    1. Go to<\/span> TrueConf Server control panel<\/span><\/a>.<\/span><\/li>\n
    2. Go to<\/span> Gateways<\/strong>\u2192 SIP<\/strong><\/span><\/a>.<\/span><\/li>\n
    3. In <\/span>Rules for SIP connections<\/strong> , click <\/span>Add a configuration<\/strong>.<\/span><\/li>\n
    4. Select <\/span>Manual configuration<\/strong>\u00a0and click <\/span>Create<\/strong>. <\/span>The form will open<\/li>\n
    5. In the fields, indicate the following:<\/span>\n
        \n
      • Name<\/strong> is the name of the CUCM link rule.<\/span><\/li>\n
      • Host<\/strong> and Port<\/strong> is the IP address of the CUCM and the port on which the PBX is running.<\/li>\n<\/ul>\n<\/li>\n
      • Disable registration<\/b> with the PBX in the same field. <\/span>\u00a0<\/span><\/li>\n
      • Check the Default SIP trunk<\/strong> box.<\/li>\n<\/ol>\n
        \n

        For more information, please read our article on how to assign default destination servers<\/a>.<\/p>\n<\/div>\n

        Once these settings are done, TrueConf users can call PBX subscribers without entering its IP address.\u00a0<\/span><\/p>\n

        Step 3: Call a CUCM Subscriber from TrueConf Client Application<\/span><\/h2>\n

        Enter <\/span>#sip:<user><\/code> (call string<\/span><\/a>) in the search field<\/a> of the application address book, where <\/span><user><\/code> is the name of the CUCM caller.<\/span><\/p>\n

        PBX subscribers can call TrueConf users if the TrueConf Server connection rule was added to\u00a0the PBX settings.<\/p>\n