Technical information

Table Of Contents
Chapter 3: AT Commands Reference
January 31, 2007 AT Commands Reference Manual 3-197
OK
AT+CMUT =2
+CME ERROR: <err>
S94, Sidetone Effect
This command reduces the microphone audio input that is routed to the selected speaker, so that
people speaking will hear themselves talking (The default value of S94 is "1").
The following table explains the use of the ATS94 set.
The following table shows the S94 parameters.
Example
ATS94=0 //Disable sidetone
OK
Table 3-133: ATS94 and ATS96 Behavior
ATS94 ATS96 Echo Cancel Noise Suppress ST
00 Disabled Disabled Disabled
10 Disabled Disabled Enabled
01 Enabled Enabled Disabled
11 Enabled Enabled Disabled
Command Type Syntax Response/Action Remarks
Set
ATS94=<n> OK
or:
+CME ERROR: <err>
The Set command sets the sidetone
status.
Read
ATS94? <000-disabled,
001-enabled>
OK
or:
+CME ERROR: <err>
The Read command returns the
sidetone status.
Test
ATS94=? +CME ERROR: <err>
The Test command displays the
supported values of <n>.
Table 3-134: S94 Parameters
<Parameter> Description
<n> 0 Disable sidetone
1 Enable sidetone
On power up the sidetone is enabled.