Voice And Supplementary Service Application Scenarios; Pre-Configuration (Pcm Voice Pre-Configuration); Reference Process - Huawei MU609 Application Manual

HUAWEI MU609 HSPA LGA Module
Application Guide
6

6.1 Pre-configuration (PCM Voice Pre-configuration)

6.1.1 Reference Process

Command
AT^CPCM=0,0,0,0,0
or
AT^CPCM=0,1,0,0,0
OK
AT^ECHO=0
AT^ECHO=1
AT^ECHO=2
AT^ECHO=3
AT^ECHO=4
AT^ECHO=5
OK
AT^SMUT=0
OK
Issue 02 (2013-09-18)
Voice and Supplementary Service
Description
Set the PCM voice channel as the master mode.
The module generates 2.048 MHz clock signals
and 8 kHz short synchronization signals. Data is in
16 bit Linear format.
Set the PCM voice channel as the master mode.
The module generates 2.048 MHz clock signals
and 8 kHz short synchronization signals. Data is in
8 bit μ-Law format.
close the echo canceller
Handset mode
Headset mode
Carkit mode
Speakerphone mode
Bluetooth headset mode
Unmute the receive (TX) channel.
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Voice and Supplementary Service Application
Application Scenarios
Scenarios
44