USR voice pro (voice only)

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T. Hedges <i2wild@iquest.net> wrote:
> I have looked at the FAQ.  I am running a debian system. Still, I can
> only get it to answer in voice mode.

If you specify voice:data:fax, vgetty will only answer in voice mode.
It is possible (however not certain), that if the modem is called
*with a CNG* calling tone, vgetty switches to fax/data mode.

However, vgetty alone cannot distinguish between a silent modem
and a silent human.

To solve this problem without CNG tone, you need to either use
different ISDN MSN's or distinctive ringing (the latter was
not tested yet), or use a policy, such as:

   - a silent modem or silent human goes to data/fax, except if DTMF
     before 2 seconds
   - a silent modem or silent human goes to voice, except if CNG or DTMF.

The first policy is configurable with ``mvm'',
http://www-internal.alphanet.ch/~schaefer/mvm/

The second you could implement yourself in a shell script.