[Asterisk-Users] T100P to Adtran TA750 - No dialtone or ring

[Ken Godee]

Jason Piterak wrote:

> Hello all,
> 
>   I've got a T100P connected to an Adtran TA750 with a T1 crossover...
> This connects to a patch panel with phone ports. The Adtran is fully
> populated with FXS cards.
>   All I get on any phone port is a fast clicking noise... No dialtone. 
>   Asterisk 'sees' the card, (the channels show up in /proc/zaptel).
> Incoming calls are routed to the zap/x channel, but no ring.
> 
> I'm hoping I'm overlooking something stupid.
> 
> Thanks ahead of time...
> 
> --Jason
> 
Does the light on front of the TA750 show that the channel is up?
Can you do diags thru the TA750 admin port to your phones? ring, etc.?
Do you have the most current TA750 firmware (L35?)?