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

Gert Doering (gert@greenie.muc.de)
Fri, 30 Jul 1999 13:42:23 +0200


Hi,

On Fri, Jul 30, 1999 at 01:16:48PM +0200, Michael Witschke wrote:
> > > To my knowledge, ZyXEL 1496 can only record at 2 bit APCM, 9600 Hz.
> 
> At least the german manual says, that the modem is also able to use
> 3-bit-ADPCM. (The ZyXEL-1496-Webpages even mention 'new-3-bit' and 4 bit
> ADPCM). 

"new-3-bit" is "AT+VSM=30", that's 3 bit ADPCM with re-sync codes
inserted.

> So I converted my welcome-message to 3-bit ADPCM and inserted AT+VSM=3
> to the mgetty-initchat. That worked, the modem played the welcome-message.
> But by looking at the logs, I'm getting confused:
> 
> 
> 07/30 12:41:16 yS1  playing voice file /var/spool/voice/messages/welcome
> 07/30 12:41:16 yS1   vgetty: raw modem data header found
> 07/30 12:41:16 yS1   vgetty: modem type ZyXEL 1496 found
> 07/30 12:41:16 yS1   vgetty: compression method 0x0003, speed 9600, bits 3
> 07/30 12:41:16 yS1   voice command: 'AT+VSM=3' -> 'OK'
> 07/30 12:41:16 yS1    vgetty: AT+VSM=3
> 07/30 12:41:16 yS1    ZyXEL 1496: AT+VSM=3
> 07/30 12:41:16 yS1    ZyXEL 1496: OK
> 
> [...]
> 
> 07/30 12:41:30 yS1  recording voice file /var/spool/voice/incoming/va00246.rmd
> 07/30 12:41:30 yS1   voice command: 'AT+VSM=2' -> 'OK'
> 
> Is it possible to use AT+VSM=3 for recordings, too? 

Interesting question indeed :-) - I think it should be, most likely
it's not set up that way in voice.conf

(for playback, vgetty uses whatever the .RMD file uses).

> OK, next question.
> 
> Earlier on the list somebody mentioned that with ATS40.2=0 and ATS48.0=1
> it is possible to access the raw caller-id, that comes through the line.
> 
> Did anyone try this? Is it working for germany?

No idea, never tried this...

gert
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Gert Doering - Munich, Germany                             gert@greenie.muc.de
fax: +49-89-35655025                        gert.doering@physik.tu-muenchen.de