At+Qltone Play A Local Customized Tone - Quectel EC25 Command Manual

NOTE
These parameters will not be saved.
Example
AT+QLDTMF=?
+QLDTMF: (1-1000),(0-9,*,#,A-D)
OK
AT+QLDTMF=2,"A,B,1,2,#"
OK
AT+QLDTMF
OK

12.15. AT+QLTONE Play a Local Customized Tone

The command is used to play a local customized tone, use <period_on> to indicate play time and
<period_off> to indicate mute time, and <duration> to indicate total time.
AT+QLTONE Play a Local Customized Tone
Test Command
AT+QLTONE=?
Write Command
AT+QLTONE=<mode>[,<frequency>,
<period_on>,<period_off>,<duration>
]
Maximum Response Time
Parameter
<mode> 0
1
Tone‟s frequency. The range is 100-4000, the unit is Hz.
<frequency>
EC25&EC21_AT_Commands_Manual
//Query the range.
//Play A,B,1,2,#, on time & mute time is 200ms.
//Stop playing.
Response
+QLTONE: (0,1),(100-4000),(0-1000),(0-1000),(0-15300000)
OK
Response
OK
+CME ERROR: <err>
After the tone is completely played:
+QLTONE: 0
300ms
Stop playing
Start to play
LTE Module Series
EC25&EC21 AT Commands Manual
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