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

[Philipp Kempgen]

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.


   Philipp Kempgen

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