At+Vtd Tone Duration - Quectel M35 Command Manual

Parameter
<value> 0
1
2
NOTE
The two commands ATL and ATM are implemented only for V.25 compatibility reasons and have no
effect.

13.3. AT+VTD Tone Duration

AT+VTD Tone Duration
Test Command
AT+VTD=?
Read Command
AT+VTD?
Write Command
AT+VTD=<internalduration>[,<duratio
n>]
Reference
GSM 07.07
Parameter
<internalduration>
<duration>
M35_AT_Commands_Manual
Speaker is always off
Speaker is on until TA inform TE that carrier has been detected
Speaker is always on when TA is off-hook
Response
+VTD: ( list of supported <internalduration>s )[,( list of
supported <duration>s )]
OK
Response
+VTD: <internalduration>,<duration>
OK
Response
This command refers to an integer <internalduration> that
defines the length of tones emitted as a result of the +VTS
command. This does not affect the D command.
OK
1-255 Duration between two tones in 1/10 second
0 Do not set duration of every single tone.
1-100000 Duration of every single tone in 1 ms
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GSM/GPRS Module
M35 AT Commands Manual
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