[asterisk-users] One way audio problem on gateway to PSTN after some time, no NAT involved

[asterisk at nicox.org]

Did you solved this Problem?

I have the same problem, and i can't solve it, did you know anything 
about?

Thanks

Nico


On Thu, 14 Sep 2006, Kai Militzer wrote:

> Hello everyone,
>
> since some weeks I experience strange problems on my gateways to the
> PSTN. The gateways use chan_ss7 and SIP. My setup is roughly like that
>
> SER --> Asterisk A --> Asterisk B (chan_ss7) --> PSTN
>
> What happens is, that after a while (uptime was a least two days) the
> gateway starts to not transmit audio to the PSTN on outgoing calls, but
> the caller can still hear the called party. There is no NAT involved and
> firewall rules allow the RTP ports defined in rtp.conf on both asterisk
> (A and B) machines. The SIP packages look good, no errors messages from
> asterisk or anything else, so I have really no idea what causes it and I
> cannot reproduce it except by waiting till it happens again. :(
>
> Now the strange thing is, that if I restart the asterisk all works fine
> again. A reload does not help, only a restart. Until now I came across
> this phenomenon two times on different machines and it all started about
> three weeks ago. Before that I ran asterisk 1.2.10 on the machines and
> then updated to 1.2.11. I looked through the Changelog but coulnd't find
> anything that seems related, but I guess it's a bug that was introduced
> somewhere between 1.2.10 and 1.2.11 ...
>
> Does anyone else have similar problems?
>
> Regards,
> Kai
>
> -- 
> Kai Militzer                 WESTEND GmbH  |  Internet-Business-Provider
> Technik                      CISCO Systems Partner - Authorized Reseller
>                             Lütticher Straße 10      Tel 0241/701333-14
> km at westend.com               D-52064 Aachen              Fax 0241/911879
>
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