Happy Friday! This is probably a dumb basic question but my google-fu is failing me.
What exactly is the "telephone-event" event package used for in the allow-events: header? Must it be present? I have been assuming it had to do with rtp-nte but that seems wrong since that's negotiated in the SDP. I'm trying to integrate with our associated Medical Center with a SIP Trunk out of CUBE (IOS 15.4(3)M3) - they are running a mish-mash of Siemens PBX/SIP/Call Center stuff on their end. I'm having some weird stuff happen with reinvites when their system(s) transfer the call around and I'm trying to nail down everything I find that i'm not sure of... in one of the transactions the telephone-event is missing out of the allow-events in the invite. Thanks! -- Ed Leatherman
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