
AUDIO COMMANDS
179 AT Commands for EV-DO-EV3 Modems
Vocoder Setting Value Reading or Writing #PREFVOC
Set command sets vcoder setting value.
Read command returns the current vocoder setting values, in the following format:
#PREFVOC: <evrc>,<so1>,<so2>,<so3>
Test command reports the parameter range.
Syntax
Command Command type
AT#PREFVOC= <evrc>,<so1>, <so2>,<so3> Set
AT#PREFVOC? Read
AT#PREFVOC=? Test
Parameters and Values
<evrc> EVRC mode.
0 Disable EVRC. Default: 0.
1 Enable EVRC.
<so1> Page voice service option in home network.
3 For EVRC. Default: 3.
32768 For QCELP.
<so2> Page voice service option in home network.
3 For EVRC. Default: 3.
32768 For QCELP.
<so3> Page voice service option in home network.
3 For EVRC. Default: 0.
32768 For QCELP.
Note
If <evrc> is set to 0, voice service option will be discarded.
Example
AT#PREFVOC?
#PREFVOC: 0,3,3,3
OK
AT#PREFVOC=1,3,3,3
OK
AT#PREFVOC?
#PREFVOC: 1,3,3,3
OK
AT#PREFVOC=0,32768,32768,32768
OK
AT#PREFVOC?
Comentarios a estos manuales