Bill H Posted April 25, 2012 Report Share Posted April 25, 2012 We are using SIP Service from VOIP Innovations and all calls are answered by the Auto Attendant. Sometimes when a call is answered by the Auto Attendant the first 3-5 seconds of the greeting can not be heard by the caller. I sent The SIP Provider a Packet Capture of the trouble and they said that the call is answered OK but they received no audio from the pbx until 5 seconds later. The pbx is running in a HyperV server with a direct Internet connection (no router)to the world.` Has anyone else seen this or have an idea as to the cause? Thanks. Quote Link to comment Share on other sites More sharing options...
pbx support Posted April 30, 2012 Report Share Posted April 30, 2012 Any idea if the RTP IP/Port in SDP changes between the INVITE and after the call is answered? A SIP trace may tell us the story. Quote Link to comment Share on other sites More sharing options...
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