Siemens Brodersen MC55 AT - AT+VTD Tone Duration

MC55_ATC_V04.00 Page 405 of 475 3/17/06
Confidential / Released
17.6 AT+VTD Tone duration
This command refers to an integer <duration> that defines the length of tones transmitted with the AT+VTS
command.
Syntax
Parameter Description
Duration of the DTMF signal in 1/10 seconds with tolerance.
The minimum duration of DTMF signals is 300ms. DTMF tones below 300ms cannot be generated.
1
(&F)(P)
...255
Test Command
AT+VTD=?
Response(s)
+VTD: (list of supported<duration>s)
OK
Read Command
AT+VTD?
Response(s)
<duration>
OK
Write Command
AT+VTD=<duration>
Response(s)
OK
ERROR
+CME ERROR
Reference(s) PIN ASC0 ASC1 MUX1 MUX2 MUX3 Charge  Last
GSM 07.07 ! % % % % % ! ! !
<duration>
(num)