[asterisk-users] Treating T1 as trunk in/out, not individual lines

[Lyle Giese]

Michelle Dupuis wrote:
> I'm tying a Nortel option 61 to asterisk via T1.  I don't want to
> split each of the t1 channels out into individual lines (tied to a
> specific extension) - so a trunk in and out.
>  
> Assuming PRI over T1 signaling, how would I pass the CALLED and CALLER
> info across the channels so each side knows what to do?  Is there
> something in the PRI protocol you can point me to for figuring this out?
>  
> Thanks,
> MD
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That's what the D channel is for.  A PRI is a primary rate ISDN.  B
channels carry voice, D channel handles the information & signalling in
ISDN.

Lyle

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