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From: "Roland Wright" <sip:40@pbx.company.com>;tag=1521860827
To: "Rachel Reed" <sip:41@pbx.company.com>;tag=ozac09qwnh
Call-ID: f6f17567@pbx
CSeq: 28593 PRACK
Contact: <sip:41@192.168.0.31:1037;transport=tls;line=zs4m8le
i>;reg-id=1
Content-Length: 0
ACK sip:41@192.168.0.31:1037;transport=tls;line=zs4m8lei
SIP/2.0
Via: SIP/2.0/TLS 192.168.0.34:5061;branch=z9hG4bK-
6dcf1018159b8e96b7b6d62a758d77fd;rport
From: "Roland Wright" <sip:40@pbx.company.com>;tag=1521860827
To: "Rachel Reed" <sip:41@pbx.company.com>;tag=ozac09qwnh
Call-ID: f6f17567@pbx
CSeq: 28592 ACK
Max-Forwards: 70
Contact: <sip:41@192.168.0.34:5061;transport=tls>
Content-Length: 0
Session Termination
UAC
BYE
1
Call Flow
1.
Once the caller hangs up, a BYE is sent to the UAS.
2.
The UAS receives the request and responds with a 200 Ok.
BYE sip:40@192.168.0.32:2061;transport=tls;line=i339wesg
SIP/2.0
Appendix B: SIP Overview
200 OK
511
UAS
2
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