[Asterisk-Users] meetme conference latency degrades...

[Eric "ManxPower" Wieling]

This is a known problem with the 1.0.x version of Asterisk.  If you do 
not use join/part sounds it won't happen.  I think the "q" option to 
MeetMe stops the join/part sounds.  This issue has been fixed in 1.2.x.

Michael George wrote:
> We have recently started making more frequent use of the meetme
> conference of our * system.
> 
> We are using v1.0.8 with a 2.6.11 kernel on our system.
> 
> We generally have 4 callers in it: two with the gsm codec and 2 with g729.
> Initially, the conference works fine and there is little latency.  After
> about 15min., though, the latency is very noticable and by 25min it's
> unbearable.
> 
> If we all leave the conference and return, the latency is unnoticable
> again.
> 
> The load on the box is minimal, and only our meetme is running most of
> the time.  Checking system load with top shows 0.1 or less.
> 
> We have no digium hardware and use ztdummy for our timing device.
> zttest yields results generally in the area of 99.96%, but about 3-4%
> will be as low as 95%.
> 
> In much smaller systems with Digium hardware, the accuracy is never
> below 99.98% and is often 100%.
> 
> Is this apparent inaccuracy of the ztdummy timer likely the cause of the
> increasing latency in our meetme conference? 
> 
> Is there any way to improve it?
> 
> Thank you, in advance, for any help.
> 


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