12 play dtmf tone +wdtmf, 1 description, 2 syntax – Rainbow Electronics 900 User Manual

Page 182: 3 defined values, 12 play, Dtmf, Tone +wdtmf

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12 -30 -30
13 -36 -40
14 -42

-infinite

15 -infinite

-infinite

<duration>: This parameter sets tone duration (in unit of 100 ms).
Range of values is 0 to 50 (0 is default value, 1 -> 0,1 s., 50 -> 5 s.)
Remark : when <duration> = 0, the duration is infinite, and the tone should be stopped by
AT+WTONE=0.

18.12 Play DTMF tone +WDTMF

18.12.1 Description :

This specific command allows a DTMF tone to be played on the current speaker. DTMF, gain and duration
can be specified.
Remark : This command is only used to play a DTMF tone. To send a DTMF over the GSM network, use
the +VTS command.

18.12.2 Syntax :

Command syntax: AT+WDTMF=<mode>[,<dtmf>,<gain>,<duration>]
Response syntax: OK or +CME ERROR: <err>

Command

Possible responses

AT+WDTMF=1,"*",9,50

OK

Note : Play a DTMF tone

Note : Done

AT+WDTMF=0

OK

Note : Stop playing

Note : Done

AT+WDTMF=?

+WDTMF: (0-1),(0-9,*,#,A-D),(0-

Note : Test command

15),(0-50)

OK

Note : Done

AT+WDTMF?

ERROR

Note : Current value

Note :

18.12.3 Defined values :

<mode>

0: Stop playing.
1: Play a DTMF tone

<dtmf> : This parameter sets the DTMF to play (mandatory if <mode>=1).
Value must be in {0-9,*,#,A-D}

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