[sr-dev] nathelper generates a keepalive request with branch=0

Maxim Sobolev sobomax at sippysoft.com
Thu Apr 29 00:47:42 CEST 2010


Iñaki Baz Castillo wrote:
> Hi, nathelper generates a keepalice request with branch=0:
> 
> 
> OPTIONS sip:9.9.9.9:12345 SIP/2.0
> Via: SIP/2.0/UDP 1.2.3.4:5060;branch=0
> From: sip:nat_keepalive at mydomain.org;tag=b240e8a7
> To: sip:9.9.9.9:12345
> Call-ID: 786219c2-7c0b783-2d at 1.2.3.4
> CSeq: 1 OPTIONS
> Content-Length: 0
> 
> 
> Why not to use a SIP/2.0 compliant branch (z9hG4bK...)? any reason?

Looks like a bug to me.

Regards,
-- 
Maksym Sobolyev
Sippy Software, Inc.
Internet Telephony (VoIP) Experts
T/F: +1-646-651-1110
Web: http://www.sippysoft.com
MSN: sales at sippysoft.com
Skype: SippySoft



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