Neo_M660 AT Command Set
Copyright © Neoway Technology Co., Ltd
22
4.10 Starting the DTMF Detection: +DTMFDETECT
Description
To start the DTMF detection
Format
AT+DTMFDETECT=<value><CR>
Parameter
<value>: Integer
1: Start DTMF detection (only valid in a call)
0: Stop DTMF detection (Pairing with 1)
2: Start DTMF detection (valid before a call)
3: Stop DTMF detection (Pairing with 2)
Return
Value
<CR><LF> +DTMF:DETECT START OK<CR><LF>
<CR><LF> +DTMF:DETECT STOP OK <CR><LF>
<CR><LF> +DTMF:DETECT ALREADY STARTED <CR><LF>
<CR><LF> +DTMF:OPERATION NOT ALLOWED <CR><LF>
Example
AT+DTMFDETECT=1
+DTMF:DETECT START OK
Start the DTMF detection.
AT+ DTMFDETECT=0
+DTMF:DETECT STOP OK
Stop the DTMF detection.
AT+DTMFDETECT=2
+DTMF:DETECT ALLOWED OK
Start the DTMF detection.
AT+ DTMFDETECT=3
+DTMF:DETECT ALLOWED NOT OK
Stop the DTMF detection.
Remarks
N/A
4.11 Setting Echo Suppression Level in the Earphone Mode:
+ESL
Description
To set the level of the echo suppression level in the earphone mode
Format
AT+ESL=<value><CR>
AT+ESL?<CR>
AT+ESL=?<CR>
Parameter
<value>: Integers, ranging from 0 to 6
Return
Value
See the Example.
Example
AT+ESL?
+ESL:2
OK
Query the current echo suppression
level.