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MC55i AT Command Set

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<strong>MC55i</strong> <strong>AT</strong> <strong>Command</strong> <strong>Set</strong><br />

<br />

17.6 <strong>AT</strong>+VTD<br />

17.6 <strong>AT</strong>+VTD Tone duration<br />

This command refers to an integer that defines the length of tones transmitted with the <strong>AT</strong>+VTS<br />

command.<br />

Syntax<br />

Test <strong>Command</strong><br />

<strong>AT</strong>+VTD=<br />

Response(s)<br />

+VTD: (list of supporteds)<br />

OK<br />

Read <strong>Command</strong><br />

<strong>AT</strong>+VTD<br />

Response(s)<br />

<br />

OK<br />

ERROR<br />

+CME ERROR: <br />

Write <strong>Command</strong><br />

<strong>AT</strong>+VTD=<br />

Response(s)<br />

OK<br />

ERROR<br />

+CME ERROR: <br />

PIN ASC0 ASC1 MUX1 MUX2 MUX3 Charge Last Reference(s)<br />

- + + + + + - - - GSM 07.07<br />

Parameter Description<br />

(num)<br />

Duration of the DTMF signal in 1/10 seconds with tolerance.<br />

The minimum duration of DTMF signals is 300ms. DTMF tones below 300ms cannot be generated.<br />

1 (&F)(P) ...255<br />

<strong>MC55i</strong>_<strong>AT</strong>C_V01.201 Page 411 of 482 1/14/09<br />

Confidential / Released

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