[asterisk-biz] bandwidth requirements question

[Craig Lawrence]

No, there's no simple answer because in real life you might not get all
the bandwidth to the front door (distance from the exchange etc).

We're doing the same install and we estimate that 16 calls using IAX2 is
very conservative (1.08m), 20 is safe (1.33m) and 24 is about as far as
we'd go (1.6m).

You can always do 2 trunks and have the second one as failover using
G729. On the odd occasion the simultaneous calls go over the limit on
the G711 trunk the additional calls cascade onto the G729 trunk.

Good Luck

Craig 
-----Original Message-----
From: asterisk-biz-bounces at lists.digium.com
[mailto:asterisk-biz-bounces at lists.digium.com] On Behalf Of Cardiff IT
Support Ltd
Sent: Thursday, 22 June 2006 12:56 AM
To: asterisk-biz at lists.digium.com
Subject: [asterisk-biz] bandwidth requirements question

Hi,

Is there a simple answer to how many simultaneous calls you could
comfortably run on a 2Mb SDSL connection with 1:1 contention using one
of the common codecs such as G711u/a

Thanks,

-- 
Sean Browne
Cardiff IT Support Ltd
08456 442 551
http://www.cardiffitsupport.com

ps. If there is a simple answe, what is it? :-)
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