Audio Tone Commands; Table 72. Ats96 And Ats94 Behavior - Motorola g20 Developer's Manual

AT Commands Reference
The AT+MAFEAT command controls all the algorithm features, and is can be used to enable/disable any combination of the
algorithms. The ATS94/ATS96 set exists only for backup compatibility reasons. Clients using this set of commands do not
use the AT+MAFEAT command. The following table explains the use of the ATS94/ATS96 set.
ATS96
0 0
0 1
1 0
1 1
Motorola recommends using the AT+MAFEAT command when working with the audio algorithm features.
On power down, the state is not saved. In the next power up the default state is restored (sidetone enabled, echo
canceling disabled and noise suppression disabled).
Note
4.8.1

Audio Tone Commands

4.8.1.1 +CRTT, Ring Type Selection
This command plays one cycle of a tone ring, stops the cycle in the middle and sets the tone ring to be used.
Set Command
The Set command sets the ring type and operation.
Command
AT+CRTT=<RingTypeNumber>,
<operation>
Read Command
The Read command returns the ring type number.
Command
AT+CRTT?
158

Table 72. ATS96 and ATS94 Behavior

ATS94 Echo Cancel
Disabled
Disabled
Enabled
Enabled
OK
or:
+CME ERROR: <err>
+CRTT: <RingTypeNumber>
OK
or:
+CME ERROR: <err>
Noise Suppress
Disabled
Disabled
Enabled
Enabled
Response/Action
Response/Action
ST
Disabled
Enabled
Disabled
Disabled
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