Rainbow Electronics 900 - Manual (Page 30)

FLYFOT-M260-MODULE
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5.6.2 +VTD Syntax:
Command syntax: AT+VTD=<n>
Command
Possible responses
AT+VTD=6
Note: To define600 ms tone duration OK
Note: Command valid
AT+VTD=0
Note: To set the default value OK
AT+VTD?
Note: interrogate current tone duration +VTD: <n>
OK
AT+VTD=?
+VTD: (0-255)
OK
5.6.3 Defined values :
<n> : tone duration
<n>*100 is the duration in ms.
If n < 4, tone duration is 300 ms; if n > 255, the value is used modulo 256.
Default value is 300 ms, that is <n> = 3.
5.6.4 +VTS Description:
The product enables the user application to send DTMF tones over the GSM network. This
command enables tones to be transmitted, only when there is an active call.
5.6.5 +VTS Syntax:
Command syntax: AT+VTS=<Tone>
Command
Possible responses
AT+VTS=A
OK
Note: Command valid
AT+VTS=11
+CME ERROR: 4
Note: If the <Tone> is wrong
AT+VTS=4
+CME ERROR: 3
Note: If there is no communication
5.6.6 Defined values:
<Tone>:
The value is in {0-9, *, #, A, B, C, D}
Example:
To send tone sequence 13#, the application sends:
AT+VTS=1; +VTS=3; +VTS=#
OK
5.7 Redial last telephone number ATDL
5.7.1 Description:
This command is used by the application to redial the last number used in the ATD command. The last
number dialed is displayed followed by “;” for voice calls only