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@giavac
Created July 6, 2018 12:00
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ACK as in RFC-3665
F15 ACK Alice -> Proxy 1
ACK sip:[email protected] SIP/2.0
Via: SIP/2.0/TCP client.atlanta.example.com:5060;branch=z9hG4bK74b76
Max-Forwards: 70
Route: <sip:ss1.atlanta.example.com;lr>,
<sip:ss2.biloxi.example.com;lr>
From: Alice <sip:[email protected]>;tag=9fxced76sl
To: Bob <sip:[email protected]>;tag=314159
Call-ID: [email protected]
CSeq: 2 ACK
Content-Length: 0
F16 ACK Proxy 1 -> Proxy 2
ACK sip:[email protected] SIP/2.0
Via: SIP/2.0/TCP ss1.atlanta.example.com:5060;branch=z9hG4bK2d4790.1
Via: SIP/2.0/TCP client.atlanta.example.com:5060;branch=z9hG4bK74b76
;received=192.0.2.101
Max-Forwards: 69
Route: <sip:ss2.biloxi.example.com;lr>
From: Alice <sip:[email protected]>;tag=9fxced76sl
To: Bob <sip:[email protected]>;tag=314159
Call-ID: [email protected]
CSeq: 2 ACK
Content-Length: 0
F17 ACK Proxy 2 -> Bob
ACK sip:[email protected] SIP/2.0
Via: SIP/2.0/TCP ss2.biloxi.example.com:5060;branch=z9hG4bK721e4.1
Via: SIP/2.0/TCP ss1.atlanta.example.com:5060;branch=z9hG4bK2d4790.1
;received=192.0.2.111
Via: SIP/2.0/TCP client.atlanta.example.com:5060;branch=z9hG4bK74b76
;received=192.0.2.101
Max-Forwards: 68
From: Alice <sip:[email protected]>;tag=9fxced76sl
To: Bob <sip:[email protected]>;tag=314159
Call-ID: [email protected]
CSeq: 2 ACK
Content-Length: 0
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