sip/sdp

  1. Callback calls - no Media in SIP SDP

    When call back are placed we are seeing SIP invites, but there is no audio information in the SDP so the call drops. There is no issue on the same trunk route for inbound and outbound calls. In the problem call flow a caller's number is captured in the 3CX call queue for call back. 3CX calls an...
    • cmarston
    • Thread
    • sdp sip/sdp
    • Replies: 10
    • Forum: UK

  2. webrtc calls failing

    Hello.... Is there a way to enable ICE in the 3cx server response for webrtc? Am working on a CRM integration for a users who use 3cx as their PBX. SDP negotiation for media looks fine but there are no ice candidates returned in the answer from the 3cx server. I end up getting this error when...
  3. AbdulKader Anwar

    SIP/SDP headers contain inconsistent information

    Hi there, We got an issue with extensions getting incoming all from another extension which is supposed to go operator. When i check the Activity Log and found the below. 02/20/2019 12:49:37 PM - NAT/ALG check:L:61538.1[Extn:4151] REQUEST 'INVITE' - some of SIP/SDP headers may contain...
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