[SIPForum-discussion] Via Field

[Deepak Bhatia]

Hi,

 

In the RFC 3261, 

 

SIP/2.0 200 OK

      Via: SIP/2.0/UDP server10.biloxi.com

         ;branch=z9hG4bKnashds8;received=192.0.2.3

      Via: SIP/2.0/UDP bigbox3.site3.atlanta.com

         ;branch=z9hG4bK77ef4c2312983.1;received=192.0.2.2

      Via: SIP/2.0/UDP pc33.atlanta.com

         ;branch=z9hG4bK776asdhds ;received=192.0.2.1

      To: Bob <sip:bob at biloxi.com>;tag=a6c85cf

      From: Alice <sip:alice at atlanta.com>;tag=1928301774

      Call-ID: a84b4c76e66710 at pc33.atlanta.com

      CSeq: 314159 INVITE

      Contact: <sip:bob at 192.0.2.4>

      Content-Type: application/sdp

      Content-Length: 131

 

      (Bob's SDP not shown)

 

The received IP Address, is the resolved hostname in the via field.

 

Regards

 

Deepak Bhatia




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