[Asterisk-Users] MTU and Voice Delay (latency??)

[Pete Barnwell]

On Wed, 2006-01-11 at 08:19 -0500, Geoff Manning wrote:
> Andrew Kohlsmith wrote:
> > My suspect is the SDSL modem; what is it?  We use ADC Megabit modems
> > here and they work fairly well.  We've had some issue with the old
> > Flowpoint 5250s. 
> 
> It is a Speedtouch 610s. Seems like a pretty robust small biz class modem
> but it could be the issue. We are just trying to determine what has changed
> since we moved from ADSL to SDSL (which is when the issue started)
> 
> Here is what has changed
> 
> 1) Contention on the internal network doubled to 8 users (used to be 4 users
> on 2 slower ADSL lines
> 
> 1a) There used to be 3 VLANs, 2 for voice, 1 for data; now there is 1 for
> voice, one for data.
> 
> 2) The modem is new with the SDSL line
> 
> 3) We are using PPPoA vs. PPPoE

Are you sure about that? Most ADSL in the UK is on PPPoA (BT supplied -
it may be different for LLU providers), not PPPoE so I wouldn't think
this has actually changed.

Rgds

Pete