voice: Zyxel 1496 E+, problems with welcome-message

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Marc SCHAEFER <schaefer@alphanet.ch> writes:

> Michael Witschke <michael.witschke@mail.whm.tu-harburg.de> wrote:
> > I have a problem with my Zyxel 1496 E+ (ROM Ver. 6.17). I recorded 
> > a wav-file with my welcome-message and converted it through pvf-tools
> > to ZyXEL 4-bit ADPCM. (It was recorded at 22050 Hz and converted by
> > sox to 9600 Hz)
> 
> To my knowledge, ZyXEL 1496 can only record at 2 bit APCM, 9600 Hz.

That was it. The modem plays the welcome-message at good quality through
the line now. But the recorded messages are still of very bad quality. Is
there anything I can do?

Btw, why is pvftormd offering 2,3 and 4 bit ADPCM, but only 2 bit works?

michael
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Michael Witschke
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