Siemens AT Command Set Cellular Engines Wireless Modules MC35 ユーザーズマニュアル

AT Command Set

MC35_ATC_01_V04.00

Page 124 of 238

02.04.2002

4.50 AT+VTS DTMF and tone generation (<Tone> in {0-9, *, #, A, B, C, D})

Test command

AT+VTS=?

Response

+VTS:

(list of supported <dtmf>s)[, (list of supported <duration>s)] OK

Parameter

See write command

Write command

1.
AT+VTS=<dtmf-
string>

2.
AT+VTS=<dt-
mf>,<duration>

Response

This command allows the transmission of DTMF tones and arbitrary tones in
voice mode. These tones may be used (for example) when announcing the
start of a recording period.
• This is interpreted as a sequence of DTMF tones whose duration is set

with the +VTD command.

• This is interpreted as a DTMF tone whose duration is determined by <du-

ration>.

OK
If error is related to ME functionality:
+CME ERROR: <err>

Parameter

<dtmfstring> String of ASCII characters in the set 0-9,#,*,A, B, C, D. Maximal

length of the string is 29. The string has to be entered between
double-quote characters (””).

<dtmf>

ASCII character in the set 0-9,#,*, A, B, C, D.

<duration>

1-255 duration of a tone in 1/10 second

Reference

GSM 07.07

Note

This command only works during active voice call