[Users] interrupts after 30 secconds

Klaus Darilion klaus.mailinglists at pernau.at
Tue Jan 16 14:39:46 CET 2007


A "ngrep -W byline port 5060" dump would help more ...

regards
klaus


Ion Minzu 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               |                              |
>     |------------------------------->|                              |
>     |                                |                              |
>   
> 
>   
> 


-- 
Klaus Darilion
nic.at





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