[Asterisk-Users] Iterfacing with a Mitel PBX

[Mark Phillips]

This would not be the chosen method.

Also, you have connected an fxo device to an fxs device. This will 
produce the results you have encountered. Connecting 2 fxo's or 2 fxs's 
together would not produce anything as you have discovered.

The prefered method would be via a cross-over type T1/E1 interface. A 
dial plan is then placed on each PBX so that all routes are known and as 
many features as possible are maintained. Both PBX's think that the 
other is the PSTN.

You could continue with you TDM400 card but you'd need 2 dial plans. 1 
from the Mitel to the * box and vice versa. This would require you to 
have an fxo to fxs connection from each box. this would limit you 2 a 
total of 2 calls in each direction.

Mark, G7LTT/KC2ENI
Randolph, NJ
http://www.g7ltt.com


Tom Conklin wrote:
> I am testing Asterisk at home V2.2
> 
> I want to interface with our PBX via a FXO card (TDM400P). I have one 
> extension hooked up right now, and I can call into the Asterisk system 
> from both a PBX connected phone, or through a DID number, but I can't 
> dial from an IP phone out to our PBX system or out through a PSTN line 
> (9 on the extension in the PBX gets an outside line). I can call other 
> extensions that are set up within Asterisk.
> 
> I have configured the Zap trunk, and set up an outbound route, but the 
> best results I have gotten so far is 'connected' to dead air, or a fast 
> busy tone. Are there good instructions posted somewhere for using a PBX 
> extension?
> 
>  
> 
> Thanks,
> 
> Tom C
> 
> 
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