[Asterisk-Users] Chan_Capi questions??

[Klaus-Peter Junghanns]

Hi WipeOut,

softdtmf=1 will use asterisk's dsp functions to detect and
generate the DTMF tones. softdtmf=0 will use your capi controller
to do the detection/generation. unless you have an active
card i would suggest to use softdtmf=1.

early B3 connects will let you hear the inband call progress
that your telco's switch sends you (ring indication,....).
the "b" enables all inband call messages (including those
"your call cannot be completed as dialed", busy ....). this may
not be suitable for all type of applications, therefore there
is the "B" option which enables early B3 connects on success.
That means you will get ring indication or you can get the
dialtone from your telco by dialing an empty number.
In a normal pbx application the "b" option makes sense.

regards

kapejod

-- 
Klaus-Peter Junghanns

CEO,CTO
Junghanns.NET GmbH
Breite Strasse 13 - 12167 Berlin - Germany
fon:	+49 30 79705392
fax:	+49 30 79705391
iaxtel:	1-700-157-8753
email:	kpj at junghanns.net
http://www.junghanns.net/asterisk

Am Sam, 2003-08-09 um 14.54 schrieb WipeOut .:
> I have been using chan_capi and a Fritz AVM (passive) card for a little while now.. So far so good.. There are still a couple of things I am not totally sure about..
> 
> First..
> 
> What is the difference between "softdtmf=0" and "softdtmf=1"??
> Which is the preffered/recommended option??
> 
> Second..
> 
> What is Early B3 all about??
> Should I be using it in my dial string??
> Which is the preffered/recommended option "b" or "B"??
> 
> Thanks..
> -- 
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