Specifications

Smart Machine Smart Decision
SIM900_AT Commands Manual_V1.07 148 2012.12.10
6.2.31 AT+STTONE Play SIM Toolkit Tone
AT+STTONE Play SIM Toolkit Tone
Response
+STTONE: (list of supported <mode>s),(list of supported <tone>s),(list of
supported <duration>s)
OK
If error is related to ME functionality:
+CME ERROR: <err>
Test Command
AT+STTONE=?
Parameters
See Write Command
Response
OK
If error is related to ME functionality:
+CME ERROR: <err>
Unsolicited Result Code
The playing is stopped or completed.
+STTONE: 0
Write Command
AT+STTONE=<
mode>,<tone>,<
duration>
Parameters
<mode> 0 Stop playing tone
1 Start playing tone
<tone> Numeric type
1 Dial Tone
2 Called Subscriber Busy
3 Congestion
4 Radio Path Acknowledge
5 Radio Path Not Available / Call Dropped
6 Error / Special information
7 Call Waiting Tone
8 Ringing Tone
16 General Beep
17 Positive Acknowledgement Tone
18 Negative Acknowledgement or Error Tone
19 Indian Dial Tone
20 American Dial Tone
<duration> Numeric type, in milliseconds.
Max requested value=255*60*1000=15300000ms
(supported range=3-15300000)
Reference Note
z The default <tone>, if none is entered, it should be General Beep.
z The default <duration>, if none is entered, it should be 500ms.