[OpenSER-Users] Implementing the Ringing Groups

[Bogdan-Andrei Iancu]

Hi Iñaki,

Iñaki Baz Castillo wrote:
> El Sábado, 26 de Enero de 2008, raviprakash sunkara escribió:
>   
>> Hello Users
>>
>> Like Asterisk PBX I implemented the Ringing Group like Ring all, Round
>> Robin and Memory Hunt ,
>>
>> RingAll and Round Robin Ringing is working fine with the following
>> UserAgent LinkSys 941 and X-lite, GrandStream, And SJphones, with these is
>> working,
>>
>> When comes to Memory Hunt Ring feature only with Sjphone are working fine,
>> but with User Agent not working the problem is
>>
>> Previous User-Agent number is Not ringing.
>>
>> Can any one tell me solution Why these user-Agents are not working 
>>     
>
> Because the INVITE arrivingis exactly THE SAME (same From_tag and Call-ID), 
> and most of the UAS will ignore it sincethey have already received that 
> INVITE and the user didn't answer.
>   
Of course, this is completely bogus as the UAS must look at via 
(especially branch param) in order to make distinction between branches 
of the same call (parallel forking).

Regards,
Bogdan
> With Asterisk this work because (I think) in each "Dial" it generates a new 
> dialog, so the UAS sees the second INVITE asa new one (different From_tag and 
> Call-ID).
>
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