[Asterisk-Users] Calls from IAX2 trunk start again when hung

[Michael Puchol]

Rich Adamson wrote:
>>I'm having a weird problem. The setup is Asterisk A with a 
>>TDM400P/4xFXO, DSL line, and Asterisk B with TDM400P/4xFXO on another 
>>DSL line.
>>
>>Both boxes are behind their own NAT. Asterisk B forwards calls from it's 
>>four PSTN ports to Asterisk A over an IAX2 trunk, which works fine using 
>>the GSM codec. Asterisk A dials the SIP phones on it's local segment.
>>
>>The problem is that when the inbound PSTN call ends, the hangups are 
>>detected, but for some reason, Asterisk B starts a new call all over 
>>again, Asteriks A receives it, the SIP phones ring, but when one of them 
>>picks up there is a dialtone, busy tone, or silence.
>>
>>Is there anything I may be missing here? I can post .conf files, but I 
>>don't think it has anything to do with those. Calls on the local PSTN 
>>ports of Asterisk A work fine. This setup is in Spain, FYI.
> 
> 
> Kind of sounds like an issue with detecting pstn line supervision events,
> but almost impossible to guess at root cause unless you provide something
> to look at.
> 
> Might try some of the cli debug commands; 'zap debug', 'iax2 debug', etc.
> Look those over very closely and you're likely to spot the problem.
> If not, post the results. Include * version data as well.
> 

Hi Richard,

Thanks for the pointers, I will try those debugs and will post the results.

Best regards,

Mike