Sony Ericsson TT4031 (SE-GM29) - Manual (Page 70)

Owner’s Manual Rev 1.0 Page 70 of 70
<mode> Description
0 “Drop DTR” ignored but OK response given. ATH
disconnects
1 “Drop DTR” and ATH ignored but OK response given
2 “Drop DTR” behavior according to &D setting. ATH
disconnects. Default value
Note!_
2.12 AT+VTS DTMF and Tone Generation
Description Command Possible Responses
Request transmission of
DTMF tone(s)
AT+VTS=<DTMF> OK
ERROR
Show if the command is
supported
AT+VTS=? OK
ERROR
This command allows the transmission of DTMF tones. These tones may be
used, for example, when announcing the start of a recording period. The
command is write only. In this profile of commands, the command does not
operate in data or fax modes of operation (+FCLASS=0,1,2-7).
NOTE! - The ATD-command is used only for dialing. It is
not possible to generate arbitrary DTMF tones using the
ATD command.
NOTE! - The AT+VTS command is used only during a
voice call.
<DTMF> Description
ASCII character
string
An ASCII character string with entries in the set 0-9, #,
*, A-D separated by commas. Each entry is interpreted
as a single ASCII character.
Example: The string “8,9” sends two DTMF tones, “8”
followed by “9”