sip header

  1. Caller Number/Name Field Mapping in V20

    In v18 of 3CX there was a function to modify the SIP header of the invitation for incoming calls, but I am not finding this same function in V20. Is it still possible to make these changes? If so, where is it done?
  2. g.fiszt

    Pass CallerID from one trunk to another

    Hey everyone! I have a Khomp SBC that all my providers are registered in and when we receive a call, it arrives in this equipment and then I forward it to wherever I want. I have 2 PBXs, one is an Asterisk based PBX and the other is the 3CX. Both have a SIP trunk with the Khomp SBC. Sometimes...
    • g.fiszt
    • Thread
    • caller id header sip sip header
    • Replies: 4
    • Forum: Other
  3. NicholasBarnes

    Passing data in custom SIP headers

    We have our own interconnects, multiple wholesalers and have written our own billing platform - all our and our customers' 3CX boxes create SIP trunks back to our SIP routers. Everything is under our control. Our billing system is capable of using custom SIP headers to allow billing to be...
    • NicholasBarnes
    • Thread
    • billing cdr itemisation sip header
    • Replies: 5
    • Forum: Other

  4. 3cx Invite "VIA" SIP header address is 192.168.1.90

    running 15.0.0 with dynamic internet address. (watching with wireshark).....remote sip extentions when called, get sip invites with non routable VIA header address of 192.168.1.90. of course the call fails. this cant be right.....? please help
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