[Freeswitch-users] FreeTDM - any good for legacy CAS T1 protocols?

[Steve Underwood]

So "analog" options doesn't sound right for a T1 on Freeswitch, but 
choosing "loop start" sounds perfectly normal for Asterisk?
Hint - they aren't digital loops you are starting.

Regards,
Steve

On 06/11/2014 11:37 PM, Bob Hartwig wrote:
> Hello all,
>
> I have a project coming up that will require me to interface 
> Freeswitch to some rather arcane legacy T1 protocols.  Specifically 
> digital loop start, and station-side digital loop start.  I'm 
> concerned that the userland support for these may be incomplete or 
> even non-existent in FreeTDM.
>
> I've successfully used FreeTDM to connect to PRI, but when I look for 
> span configuration options for CAS T1, the only things that I see that 
> may be applicable are described as "analog" options, and that doesn't 
> sound quite right for loop start on T1 channels (but I could be wrong 
> about that).  If I were to use Asterisk for this, I would configure 
> chan_dahdi.conf for "signalling=fxs_ls" and/or "signalling=fxo_ls".
>
> Should I pursue using FreeTDM for this, or would I be smarter to 
> incorporate a simple Asterisk gateway to handle this legacy CAS T1 
> signaling?
>
>     Thanks,
>     Bob
>
>