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 To :  "G.Jacobsen" <g_jacobsen@y...>
 From :  Maciek Kaminski <maciejka@t...>
 Subject :  Re: [yate] Yate rejects BYEs with wrong CSeq - possibly causing hangingcalls
 Date :  Wed, 21 Nov 2007 19:18:57 +0100
Have You found a solution to this problem? I have encountered it also.

The server that sends BYE with CSEQ = 0 calls itself "Very nice Sip 
Registrar/Proxy Server).


G.Jacobsen napisał(a):
> Dear Diana,
> indeed a CSeq of 0 is wrong according to RFCs.
> However I think it is preferable for a yate user to receive a BYE with wrong
> CSeq but right tags and Call-id matching an open transaction - rather than
> never see the BYE at all and have hanging calls.
> Just my humble opinion of course and opinions may differ. I am simply
> looking at this from a practical point of view considering the time wasted
> on such issues.
> Fact of the matter is that many SIP implementations do not strictly adhere
> to RFCs and therefore SIP implementations should be fault tolerant IMO if
> that can be done without restricting any other functionality.
> Cheers
> Gerry