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RFC 3665, "Session Initiation Protocol (SIP) Basic Call Flow Examples", December 2003

Source of RFC: sipping (rai)
See Also: RFC 3665 w/ inline errata

Errata ID: 3295
Status: Verified
Type: Technical
Publication Format(s) : TEXT
Reported By: David Waiting
Date Reported: 2012-07-26
Verifier Name: Gonzalo Camarillo
Date Verified: 2013-04-03

Section 3.8. says: 

F18 ACK Proxy 1 -> Proxy 2

ACK sip:bob@biloxi.example.com SIP/2.0
Via: SIP/2.0/UDP ss2.biloxi.example.com:5060;branch=z9hG4bK721e4.1
Max-Forwards: 70
From: Alice <sip:alice@atlanta.example.com>;tag=9fxced76sl
To: Bob <sip:bob@biloxi.example.com>;tag=314159
Call-ID: 2xTb9vxSit55XU7p8@atlanta.example.com
CSeq: 1 ACK
Content-Length: 0

It should say:

F18 ACK Proxy 1 -> Proxy 2

ACK sip:bob@biloxi.example.com SIP/2.0
Via: SIP/2.0/UDP ss1.atlanta.example.com:5060;branch=z9hG4bK2d4790.1
Max-Forwards: 70
From: Alice <sip:alice@atlanta.example.com>;tag=9fxced76sl
To: Bob <sip:bob@biloxi.example.com>;tag=314159
Call-ID: 2xTb9vxSit55XU7p8@atlanta.example.com
CSeq: 1 ACK
Content-Length: 0

Notes:

Proxy 1 includes an incorrect Via header in the ACK.

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