SimCom SIM7500 Series User Manual

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SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
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Examples
AT+VTS=1
OK
AT+VTS=1,20
OK
AT+VTS=”1,3,5”
OK
AT+VTS=?
+VTS: (0-9,*,#,A,B,C,D)
OK
6.16 AT+VTD Tone duration
Description
This refers to an integer <n> that defines the length of tones emitted as a result of the AT+VTS
command. A value different than zero causes a tone of duration <n>/10 seconds.
SIM PIN References
YES
3GPP TS 27.007
Syntax
Test Command Responses
AT+VTD=? +VTD: (list of supported <n>s)
OK
Read Command
Responses
AT+VTD? +VTD: <n>
OK
Write Command
Responses
AT+VTD=<n>
OK
Defined values
<n>
Tone duration in integer format, from 0 to 255, and 0 is factory value.
0 Tone duration of every single tone is dependent on the network.
1…255 Tone duration of every single tone in 1/10 seconds.
Examples
AT+VTD=?
+VTD: (0-255)
SIMCOM CONFIDENTIAL FILE

SimCom SIM7500 Series Specifications

General

Brand	SimCom
Model	SIM7500 Series
Category	Control Unit
Language	English