[Users] branch parameter in ACK set to zero?

Klaus Darilion klaus.mailinglists at pernau.at
Wed May 30 17:21:29 CEST 2007


FYI: on the ser list you will find lots of discussion about this issue.

regards
klaus

Bogdan-Andrei Iancu wrote:
> Hi Tim,
> 
> the VIA branch param must not be 0, indeed. Could you provide an network 
> trace for the entire call and the debug log for level 9?
> 
> regards,
> bogdan
> 
> Tim Madorma wrote:
>> Hi,
>>
>> In testing with OpenSER 1.2 I noticed that the branch parameter of the
>> Via in the ACK to 200 OK has a value of zero. This does not seem
>> right. From 16.6 of RFC-3261:
>>
>>         The proxy MUST insert a Via header field value into the copy
>>         before the existing Via header field values.  The construction
>>         of this value follows the same guidelines of Section 8.1.1.7.
>>         This implies that the proxy will compute its own branch
>>         parameter, which will be globally unique for that branch, and
>>         contain the requisite magic cookie.
>>
>> Please advise.
>>
>> thanks,
>> Tim
>>
>> _______________________________________________
>> Users mailing list
>> Users at openser.org
>> http://openser.org/cgi-bin/mailman/listinfo/users
>>
> 
> 
> _______________________________________________
> Users mailing list
> Users at openser.org
> http://openser.org/cgi-bin/mailman/listinfo/users




More information about the Users mailing list