[Asterisk-Dev] variable sample period?

Peter Svensson psvasterisk at psv.nu
Wed Feb 23 08:14:17 MST 2005


On Wed, 23 Feb 2005, Steven Critchfield wrote:

> Are you sure you want to mess with that value? Obviously it is only
> possible for some codecs and it will have a effect on the overhead
> levels. Such as reducing the samples to 10ms for ulaw would double the
> overhead causing the 80k bandwidth requirement to end up using about 96k
> or so. Increasing the sample size is going to cause delay to increase
> and possibly cause echo to get worse.  

For ulaw/alaw on a local connection between machines 10ms or even less may 
be perfectly acceptable, especially combined with trunking. 

Peter





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