vodafone ngn

  1. Additional Media Descriptors in SDP during INVITE break external calls

    We have a problem with our 3CX system: Currently it happens with some extensions that they deliver an additional media description line in the SDP part of the INVITE package when connecting to external telephone numbers: m=video 0 RTP/AVP 31 Format 31 is H.261, so the phone tries to offer a...
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