[Users] branch parameter in ACK set to zero?

[Klaus Darilion]

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
>>
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>>
> 
> 
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