[asterisk-users] Disconnect calls : known reasons

[Jonas Kellens]

On 28-09-12 10:57, Administrator TOOTAI wrote:
> Le 28/09/2012 10:40, Jonas Kellens a écrit :
>> [...]
>>>> are there any known reasons why Asterisk would disconnect random 
>>>> calls ?
>>>>
>>>>
>>>> My server uses 1,5 GB out of 8 GB RAM
>>>> My server uses up to 35% CPU at peak
>>>> There are about 40 concurrent calls.
>>>> I have 300 RTP-ports available.
>>>>
>>>> I just see the call ending, as if one of the connected parties hung 
>>>> up but that is not the case !
>>>>
>>>> So what could be a bottleneck ? Any known reasons for random hangup ?
>>>
>>> Check that those calls are not sended to phones which are already 
>>> online, doesn't accept further calls, and your dialplan don't manage 
>>> this situation
>>>
>>
>>
>> Maybe I need to explain a bit further : the call is send to the 
>> IP-phone and answered. The call lasts for about 1 à 2 minutes and is 
>> then disconnected.
>>
>> Sometimes this happens after about 1 minute, sometimes after about 2 
>> minutes, sometimes it does not happen at all for a whole day or week !
>>
>> If I say random, I really mean random.
>> I'd love to believe that there is some kind of bottleneck or level 
>> that is reached when this happens, but nothing points to that direction.
>
> We had this problem with some PSTN call termination providers, 
> sometimes only against some destination.  I don't know if your 
> incoming calls are 100% VOIP, I would start to see with providers.
>
> You may also check hangupcause and dialstatus variables.
>

Pure SIP.

Hangupcause 16

Dialstatus Answer

It has nothing to do with the provider-side.



Kind regards.
Jonas.