[asterisk-users] Bandwidth requirements

[Steve Glaus]

>
> I wasn't sure what "Packet Duration to select so I took the default 
> 20ms (2 samples) - whatever that means.  I plugged in 5 for the BHT 
> (20 customers, each getting 3 X 5 minute calls/hour = 5 Erlangs) and 
> the default 0.01 for the Blocking.  It worked out to 264 kbps.  Does 
> this sound reasonable?  If so great!  A business DSL could support this.
>
> Comments welcome!
>

Sounds about right to me. 8kbps + overhead.
Transcoding 20 simultaneous  channels requires a relatively hefty 
machine I think