That sounds exactly like what I want to do. I've don't have a PRI line (although I'm going to press for getting one soon), but for now I would just like a couple of pointers in getting Asterisk's dial plan set up to just pass the calls from one T1 to another.

Thanks a million in advance.

Mimmus wrote:

I used this approach to gradually migrate from a legacy Alcatel PBX:
PSTN E1 PRI --- Asterisk --- Crossed E1 cable --- Alcatel PBX
At first, Asterisk did nothing, only passing calls to/from Alcatel.
Then I started to use a bunch of SIP phones directly connected to Asterisk.
Now I have the great part of extensions as SIP phones and the old PBX is
working as a channel bank only for a few of analog devices.

Configuring the dialplan to do this dirty job is not difficult but now I'm
not able to help you because it's saturday evening and I'm at home!
Re-try next Monday.

DV


-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Nathan Bell
Sent: Friday, June 09, 2006 10:34 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: [Asterisk-Users] T1 passthrough/middleman

Is it possible to act as a middle man on a T1 line?

My installation currently has an aging Inter-Tel Axxess box with a T1 coming in (16 in, 8 out). Rather than adding and replacing phones and cards as they die, I would like to slowly migrate to a asterisk SIP installation.

I want to take the incoming T1 line, use any available outgoing lines for outgoing SIP, intercept any incoming lines and either send them off to a SIP line or pass them through to other T1 line (going to the Axxess box), and finally take in outgoing calls from the Inter-Tel box and either send them to SIP or send them to the outside T1 line.

How will a dual T1 card be set up in this situation? Would it be easier to use an FXO channel bank (or card) and connect analog lines to the FXS analog lines on the Inter-Tel box?
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