Quectel EC25 User Manual

LTE Module Series
EC25&EC21 AT Commands Manual
EC25&EC21_AT_Commands_Manual 200 / 231
Example
AT+QIIC=1,0x1B,0x00,2 //Read register value, slave address: 0x1B, register address:
0x00, read two bytes.
+QIIC: 0x0021
OK
AT+QIIC=0,0x1B,0x00,2,0x0000 //Write register value, slave address: 0x1B, register address:
0x00, write two bytes.
OK
12.13. AT+QTONEDET Enable/Disable DTMF Detection
The command is used to enable or disable DTMF detection. When this function is enabled, DTMF tones
sent by other side will be detected, and it will be reported on the assigned serial port.
Parameter
1. This setting will take effect immediately. And it will revert to the default values after resetting the
module.
AT+ QTONEDET Enable/Disable DTMF Detection
Test Command
AT+QTONEDET=?
Response
+QTONEDET: (0,1)
OK
Read Command
AT+QTONEDET?
Response
+QTONEDET: <enable>
OK
Write Command
AT+QTONEDET=<enable>
Response
OK
ERROR
Maximum Response Time
300ms
<enable> Enable or disable DTMF detection
0 Disable
1 Enable
NOTES

Quectel EC25 Specifications

General

Brand	Quectel
Model	EC25
Category	Control Unit
Language	English