[QUAR] [Users] interrupts after 30 secconds

Bogdan-Andrei Iancu bogdan at voice-system.ro
Tue Jan 16 14:44:24 CET 2007


Hi,

there were some fixes regarding ACK matching in case of spiralling (not 
sure it is your case) - please update from CVS and if the problem 
persists, as Klaus suggested, posting a net trace will be the most relevant.

regards,
bogdan

T.R. Missner wrote:

>Ion,
>
>As you noted the problem here is the missing ACK.
>Why the ACK is not being forwarded is impossible to tell without looking at
>the actual signaling.
>
>Compare the ACK that is failing to proxy to an ACK that works correctly,
>look for differences in RURI or Route headers. My guess would be your UA is
>not honoring record-route headers or similarly misbehaves.
>
>Tearing down a call due to a missing ACK is normal behavior.
>
>Hope this helps,
>
>tr
>
>
>On 1/16/07 3:48 AM, "Ion Minzu" <ion.minzu at cts.md> wrote:
>
>  
>
>>Hello,
>> I have a problem: When someone begins a call from PSTN to my voip
>> network, the session interrupts after 30 secconds. The UA don't receive
>> the ACK message(6)[the ACK doesn't arrive].The scheme below indicate this
>> situation.
>> P.S. This situation happens just with one type of equipment: atcom
>> AG468; with other equipment (atcom AT320ED, audiocodes, atcom AG168)
>> all works fine.
>>
>> Very strange.
>> Thunks.
>>
>>|cisco-gateway|                 | openser |                      |UA's|
>> X.X.X.X - public ip adress    eth0-X.X.X.Y - public IP       172.17.6.0/24
>>    |                          eth1-172.17.6.2                      |
>>    |           Invite               |           Invite             |
>> 1  |------------------------------->|----------------------------->|
>>    |           Trying               |           Trying             |
>> 2  |<-------------------------------|<-----------------------------|
>>    |           Ringing              |           Ringing            |
>> 3  |<-------------------------------|<-----------------------------|
>>    |           PRACK                |                              |
>> 4  |------------------------------->|                              |
>>    |           200 ok               |          200 ok              |
>> 5  |<-------------------------------|<-----------------------------|
>>    |           ACK                  |                              |
>> 6  |------------------------------->|                              |
>>    |................................|..............................|30 s
>>    |           Bye                  |            Bye               |
>> 7  |<-------------------------------|<-----------------------------|
>>    |           200 OK               |                              |
>>    |------------------------------->|                              |
>>    |                                |                              |
>>  
>>
>>  
>>    
>>
>
>
>_______________________________________________
>Users mailing list
>Users at openser.org
>http://openser.org/cgi-bin/mailman/listinfo/users
>
>  
>





More information about the Users mailing list