Siemens MC55 AT manual 17.6 AT+VTD Tone duration, At+Vtd=?, At+Vtd?, Duration, AT+VTD=duration

17.6AT+VTD Tone duration

This command refers to an integer <duration> that defines the length of tones transmitted with the AT+VTS command.

Syntax

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)

GSM 07.07

PIN ASC0 ASC1 MUX1 MUX2 MUX3 Charge  Last

! % % % % % ! ! !

Parameter Description

<duration>(num)

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

MC55_ATC_V04.00	Page 405 of 475	3/17/06
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