[asterisk-biz] PRI confusion

[Brian Franklin]

The PRI will allow you to publish/distribute a virtually unlimited
number of PSTN telephone numbers (DID's).  The Telco will send calls
destined to your DID's over your PRI to be processed by your Asterisk
Server.  The PRI will allow a maximum of 23 simultaneous conversations,
whether they are inbound or outbound (your PRI can be provisioned by
your Telco for inbound only, outbound only, or both inbound and
outbound).  If I understand your scenario correctly, once the calls come
in vis the PRI, they will transferred/routed to a destination via VoIP,
using an Internet and/or some network connection.  In this scenario, the
PRI will only be needed for inbound calls.

Hope this helps.

Brian Franklin
www.ntginc.net

-----Original Message-----
From: asterisk-biz-bounces at lists.digium.com
[mailto:asterisk-biz-bounces at lists.digium.com] On Behalf Of emist
Sent: Friday, November 23, 2007 11:41 PM
To: asterisk-biz at lists.digium.com
Subject: [asterisk-biz] PRI confusion

Hey guys,

I was hoping someone could clarify this for me since i've been trying to
find out for a while now to no avail. Im thinking of deploying a call
routing service through asterisk. Basically I want people to be able to
call a number through the PSTN and then call whatever extension to be
routed through a voip termination provider.

Im guessing using a PRI is the best way to do this. However, im confused
as to how it all works. Say a PRI has 23 usable channels, does that mean
that I will be able to route 23 calls at the same time or does it mean
that I would have to split 11 channels for incoming voice traffic(from
PSTN) and 11 channels for outgoing voip traffic?

Im stomped =\

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