[Asterisk-Users] Digium E1/T1 card with mgetty+sendfax

[Edwin Groothuis]

On Mon, Feb 28, 2005 at 04:33:05AM -0600, asterisk-users-request at lists.digium.com wrote:
> On Mon, 28 Feb 2005, Edwin Groothuis wrote:
> 
> > For the project I've used the Eicon DIVA card. It has 8 BRI ports,
> > and for about 25% of the time there are 7 or 8 in use. So we want
> > to replace it with an E1 card. Only issue is, replace it with what?
> > 
> > The idea we have been playing with was to get a Digium E1 card (we
> > already have bought lot of Quad E1 cards :-) and then just put it
> > back to back against Asterisk server. And instead of letting
> > mgetty+sendfax talk to /dev/ttyI[0-7], we use /dev/zap/[0-30].
> 
> sendfax (and mgetty) requires a modem interface. The zaptel interfaces are 
> raw tdm interfaces. SpanDSP could be made to provide a smartmodem 
> interface but no such code exists yet (as far as I know).

Aha, that makes sense.

On a different note, isdn4linux provides such an interface. Only
then I need a way have i4l talking with the zaptel driver. Wish I
understood more of this stuff... :-/

Edwin
-- 
Edwin Groothuis      |            Personal website: http://www.mavetju.org
edwin at mavetju.org    |          Weblog: http://weblog.barnet.com.au/edwin/