Quectel UG Series

UMTS/HSPA Module Series
WCDMA UGxx AT Commands Manual
WCDMA_UGxx_AT_Commands_Manual Confidential / Released 190 / 247
Parameter
This parameter will not be saved.
Example
AT+QLTONE=? //Query the range.
+QLTONE: (0,1),(100-3900),(0-1000),(0-1000),(0-15300000)
OK
AT+QLTONE=1,1000,200,300,3000 //Play a 1000Hz tone, on time is 200ms, mute time is 300ms,
total time is 3000ms.
OK
+QLTONE:0
AT+QLTONE=0 //Stop playing.
OK
12.10. AT+QLDTMF Play Local DTMF
AT+QLDTMF is used to play a DTMF string, maximum length is 20 characters. You can use AT+QLDTMF
to stop it.
<mode> 0 Stop play
1 Start play
<frequency> Tone‟s frequency, unit: Hz, range: 100-3900
<period_on> Tone‟s on time, unit: ms, range: 0-1000
<period_off> Tone‟s mute time, unit: ms, range: 0-1000
<duration> Tone‟s total time, unit: ms, range: 0-15300000
AT+QLDTMF Play Local DTMF
Test Command
AT+QLDTMF=?
Response
+QLDTMF: (1-1000),(0-9,A-G,*,#)
OK
Write Command
AT+QLDTMF=<n>,<DTMF_string>[,<y
>]
Response
OK
+CME ERROR: <err>
NOTE
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