[Asterisk-Users] chan_capi-cm and dialing without number

[Armin Schindler]

On Tue, 16 May 2006, Klaus Darilion wrote:
> Klaus Darilion wrote:
> > Armin Schindler wrote:
> > > On Tue, 16 May 2006, Klaus Darilion wrote:
> > > > Klaus Darilion wrote:
> > > > > Hi!
> > > > > 
> > > > > Is it possible to bridge a call (incoming call leg is from
> > > > > the PBX,
> > > > > outgoing call leg is to the PSTN) without even dialing a
> > > > > number. Thus,
> > > > > the dial tone received from the PSTN should be forwarded to
> > > > > the PBX, and
> > > > > the overlap digits received from the PBX should be forwarded
> > > > > to the PSTN.
> > > > > 
> > > > > I tried the following, but it does not work. Is there a
> > > > > workaround?
> > > > > 
> > > > > [frompbx]
> > > > > exten => s,1,Dial(CAPI/g1//b,90)
> > > > update: this works (i had a typo and use B isntead of b).
> > > > 
> > > > But the problem is that each digit received is sent twice to the
> > > > net:
> > > > 
> > > > Does someone have any hints?
> > > 
> > > I would need a 'capi debug' log to say more, but chan-capi receives
> > > the command for dial these digits twice.
> > > Just a wild guess, but do you have softdtmf detection activated in
> > > addition?
> > 
> > Yes - softdmtf is on! Thanks
> > for the hint.
> 
> btw: I use WaitExten to collect digits. Is softdtmf required for this
> application?

softdtmf is needed when the hard-dtmf (DSP) is not available. If you use 
Eicon diva server cards, then softdtmf is never required.

Armin