Following screenshots show an example incoming call from Bell Canada to the enterprise.
Incoming INVITE request from Bell Canada.
Via: SIP/2.0/UDP 220.20.237.201:5060;branch=z9hG4bKi0m9ki3038a1ol86n0c1.1
1350677715771-
Call-ID: SDocfbb01-09eee563259466f2de0a5057d0f97d6f-a0n8330
CSeq: 1028992414 INVITE
Supported: 100rel
Allow: ACK,BYE,CANCEL,INFO,INVITE,OPTIONS,PRACK,REFER,NOTIFY,UPDATE
Accept: multipart/mixed,application/media_control+xml,application/sdp
Max-Forwards: 18
Content-Type: application/sdp
Content-Length: 207
v=0
o=BroadWorks 6273513 1 IN IP4 220.20.237.201
s=-
c=IN IP4 220.20.237.201
t=0 0
m=audio 20396 RTP/AVP 0 18 101
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=ptime:20
a=fmtp:18 annexb=no
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