Motorola g20 - MA, Audio Control Commands; Figure 11. Audio Paths

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AT Commands Reference
4.8.2 +MA, Audio Control Commands
This group of commands enables accessory devices to control certain audio aspects within the system.
4.8.2.1 +MAPATH, Audio Path
This command sets/requests the active input accessory, and the output accessory for each feature. For example, you can choose
the headset mic to be active, the voice and keypad feedbacks to go to the speaker, and the alerts and rings to go to the alert
speaker. On power up, the default path, mic, speaker and alert speaker is restored.
The following diagram shows the audio paths
.
Figure 11. Audio Paths
Set Command
The Set command sets the audio path mode. The mode indicates which I/O accessories are now active for the different audio
features. The field features are only used for outputs (direct=1).
Command Response/Action
+MAPATH= <direct>,<accy>
[,<features>]
OK
or:
+CME ERROR: <err>
Voice
Mono Headset Speaker
Voice
Earpiece Speaker
Alert/Ringer
Alert Transducer
SPKR-
SPKR+
ALRT-
ALRT+
MIC
HDST_MIC
Digital Audio
Digital Audio
SAP_RX SAP_RX
Output
Input