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Chapter 10 - Voice Mode Operation
10-19
OK
AT+VSM=<cml>,<vsr>
This command causes the DCE to select a compression scheme and sample rate as
follows:
<cml> Compression Scheme Bits/Sample <vsr> possible values
2 ZyXEL 2 ADPCM 2 7200, 8000, 9600, 11025
3 ZyXEL 3 ADPCM 3 7200, 8000, 9600, 11025
30 ZyXEL 3 ADPCM (new) 3 7200, 8000, 9600, 11025
4 ZyXEL 4 ADPCM 4 7200, 8000, 9600, 11025
40 DVI ADPCM 4 7200, 8000, 9600, 11025
80 A-law PCM 8 7200, 8000, 9600, 11025
81 u-law PCM 8 7200, 8000, 9600, 11025
The DCE returns the OK result code if DCE accepts this command, or it returns
the ERROR result code if any of the values are out of range.