SIM5350 AT Command Set
0 – “
Drop DTR
” ignored but OK response given.
ATH
disconnects.
1 – “
Drop DTR
” and ATH ignored but OK response given.
Examples
AT+CVHU=0
OK
AT+CVHU?
+CVHU: 0
OK
4.8
AT+VTS DTMF and tone generation
Description
This command allows the transmission of DTMF tones and arbitrary tones which cause the Mobile
Switching Center (MSC) to transmit tones to a remote subscriber. The command can only be used
in voice mode of operation (active voice call).
NOTE:
The END event of voice call will terminate the transmission of tones, and as an operator
option, the tone may be ceased after a pre-determined time whether or not tone duration has been
reached.
SIM PIN References
YES
3GPP TS 27.007
Syntax
Test Command
Responses
AT+VTS=?
+VTS: (list of supported
<dtmf>
s)
OK
Write Command
Responses
OK
AT+VTS=
<dtmf>
[,
<duration>
]
AT+VTS=
<dtmf-string>
ERROR
Defined values
<dtmf>
A single ASCII character in the set 0-9, *, #, A, B, C, D.
<duration>
Tone duration in 1/10 seconds, from 0 to 255. This is interpreted as a DTMF tone of different
duration from that mandated by the
AT+VTD
command, otherwise, the duration which be set the
AT+VTD
command will be used for the tone (
<duration>
is omitted).
SIM5350_ATC_V1.02
6/9/2014
36
Содержание SIM5350
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