Motorola g20 Developer's Manual page 179

Example
AT+MAPATH=1,2
OK
AT+MAPATH=2,1,3
OK
AT+MAPATH?
MAPATH: 1,2
//Set the speaker as the output accessory for voice
MAPATH: 2,1,1
//Set the speaker as the output accessory for keypad
MAPATH: 2,1,2
//Set the alert speaker as the output accessory for alert & ring
MAPATH: 2,3,12
OK
AT+MAPATH=?
+MAPATH: (1,2),(1-4),(1-15)
OK
4.8.2.2 +MAVOL, Volume Setting
This command enables you to determine a volume level for a particular feature in a particular accessory. The gain levels are
saved. Therefore, upon power up, the path active (mic, speaker and alert speaker) will have these saved gain levels.
Set Command
The Set command sets the volume level <n> to a certain <feature> through a certain <accy>.
Command
+MAVOL=<accy>,<feature>,<vol>
98-08901C68-O
//Direct=1 (input), accy=2 (headset mic)
//Direct=2 (output), accy=1 (speaker), feature=1 (voice and keypad)
//Set the headset mic as the input accessory
//Direct=1 (input), accy=2 (headset mic)
//Direct=2 (output), accy=1 (speaker), feature=1 (voice)
//Direct=2 (output), accy=1 (speaker), feature=2 (keypad)
//Direct=2 (output), accy=3 (alert speaker), feature=12 (alert + ring)
Response/Action
OK
or:
+CME ERROR: <err>
AT Commands Reference
165