Audio
3-252 AT Commands Reference Manual June 30, 2008

The following table shows the +MMICG parameters.

Example
AT+MMICG=?
+MMICG: (0-31)
OK
AT+MM ICG ?
+MMICG: 16
OK
AT+MMICG=30
OK
+CRTT, Ring Type Selection

This command plays one cycle of a ring tone, stops the cycle in the middle and sets the ring tone

to be used.

Read +MMICG? +MMICG: <gain>
+CME ERROR: <err>
The Read command displays the current
microphone gain.
Test +MMICG=? +MMICG (list of
supported <gain>s)
+CME ERROR: <err>
The Test command displays the list of
supported gain values.

Table 3-165:+MMICG Parameters

<Parameter> Description
<gain> Microphone gain values in db:
0-31 0 is lowest gain value (not mute); default is 16 db
Command
Type Syntax Response/Action Remarks
Set AT+C RTT=
<RingTypeNumber>,
<operation>
OK
or:
+CME ERROR: <err>
The Set command sets the ring type
and operation.
Command
Type Syntax Response/Action Remarks