[asterisk-users] Funky IAX behavior between 1.4 and 1.8

[Tim Panton]

On 5 Nov 2010, at 15:04, Danny Nicholas wrote:

> Hi Gang,
>              My production box with my DAHDI cards is a 1.4.26 build.  I have 3 test machines that I do IAX communication with.
> Machine 1 is a real Dell POWEREDGE 1500 running CENTOS running 1.4.30.  Machine 2 is a SUSE 11.1 VM running 1.4.30.  Machine 3 is another SUSE 11.1 VM running 1.8.0.   I can SIP into all 4 machines and life is great.  When I try to IAX from the live machine to Machine 3, I get lags/pauses on Background/Playback commands.  I play files and groups of files that last from 1-45 seconds, so I can press keys and proceed, but I don’t expect my end-users to know to do this.  Any clues?  Do I need to open a tracker issue on this one?
>  
> Thanks
> Danny Nicholas
> -- 

There is an open bug on this - or something very like it - https://issues.asterisk.org/view.php?id=18110
The work around seems to be to set

internal_timing = yes 

 in asterisk.conf

and 

noload => res_timing_dahdi.so
;noload => res_timing_pthread.so
noload => res_timing_timerfd.so

in modules.conf

Which forces asterisk to use the (older less efficient/accurate) pthreads timer.

The bug looks to be being worked on, so I'm optimistic it will be fixed soon.

Tim.


> 

Tim Panton - Web/VoIP consultant and implementor
www.westhawk.co.uk



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