[Asterisk-Users] T1 passthrough/middleman

[Mimmus]

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: asterisk-users-bounces at lists.digium.com 
> [mailto:asterisk-users-bounces at lists.digium.com] 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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