[Asterisk-Users] Adtran 750 DID question.

[James Sharp]

> Hello All,
>
> I've mostly solved my DID problem from a few days ago.  Apparenly the
> lines weren't configured properly.  Now heres the next question.  12 E&M
> wink lines from telco.  I have them all plugging into an Adtran 750 with
> FXS cards.  The Adtran ports are configured DPO.   How do I signal this
> from Zaptel.  I have them setup E&M in zaptel.conf and EM_W in
> zapata.conf.  They work, however, no DNIS info is being passed.  Do I need
> to signal these something different like loopstart or kewlstart, so the
> DNIS info gets passed?  I watch the Tx/Rx bits from zttool, and everything
> looks okay coming from the Adtran.  It looks like asterisk isn't winking
> properly.

I had a similar problem.  I ended up setting the trunks to either just
plain em or featd (I don't remember).  I chased through the chan_zap
source code and decided (maybe incorrectly) that asterisk doesn't look for
DNIS digits in E&M Wink mode.