[asterisk-users] chan_iax2.c: No more space

[Philipp Kempgen]

Philipp Kempgen schrieb:
> Tim Panton schrieb:
>> On 17 Sep 2008, at 14:57, Philipp Kempgen wrote:
>> 
>>> Just a quick question
>>>
>>> ---cut---
>>> [Sep 17 15:52:14] WARNING[8232] app_dial.c: Unable to create channel  
>>> of type 'IAX2' (cause 34 - Circuit/channel congestion)
>>> [Sep 17 15:52:14] WARNING[8232] chan_iax2.c: No more space
>>> [Sep 17 15:52:14] WARNING[8232] chan_iax2.c: Unable to create call
>>> [Sep 17 15:52:14] WARNING[8232] app_dial.c: Unable to create channel  
>>> of type 'IAX2' (cause 34 - Circuit/channel congestion)
>>> ---cut---
>>>
>>> Any idea what causes the "No more space" warning? There's a comment
>>> in chan_iax2.c which says "We've still got lock held if we found a
>>> spot" but that doesn't really clue me in either.
>>>
>>> Most of the time it works perfectly.
>>>
>> 
>> In the 1.6 beta code I have to hand, it seems to mean that you have
>> 'used' all the iax call numbers between 1 and 0x4000
>> in the last 60 seconds, which seems unlikely unless someone is
>> DOS'ing you pretty aggressively.
>> 
>> Could that be the case ?
> 
> More than 16000 channels in 60 seconds is highly unlikely
> especially since bridging fax transmissions from PRI channels
> to iaxmodems is all the machine does. IAX is not even used for
> public communication.

The strange thing is that sometimes the IAXmodems show up as
"Running and idle" while Asterisk reports congestion.


   Philipp Kempgen

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