
APPENDIX
Voice Mode
2.10
•
19.01.2007
137
5.4 Voice
Mode
5.4.1 Block
Diagram
The following diagram describes the audio path on HW 86012 and HW 86022 modules:
Figure 17: Audio path
5.4.2 Advises on Voice Commands
To enter commands, the module must be set into configuration mode. With entering the
command <SPVOICE on> the voice mode is enabled while simultaneously the data mode is
disabled.
Drive
Preamp
Sigma-
Delta ADC
DAC and
SC Filter
Digital
Filter
G726
Encoder
analog
PCM
ADPCM
VXIP
VXIN
Gain
Scale
Sidetone
path
DECT
transmit
data
DECT
receive
data
G726
Decoder
Digital
Filter
VXOP
VXON
volafe
volpcm
micvol
micmode
micatt
stvol
statt
stenable
MICP
MICN
volafe