Appendix E: AT Commands
55
Commands
Function (*voice mode only)
#VTS=
n*
Generates tone signals if (and only if) sampling rate is set
to 7.2 kHz by the #VSR command;
n takes the form of
[x,y,z], {x,z}, or x, as described below:
[x,y,z]
x represents the first frequency (0 or 200–3000
Hz)
y represents the second frequency (0 or 200–3000 Hz)
z represents the duration (in 100 ms units)
{x,z}
x represents the DTMF digit (0–9, A–D, *, #)
z represents the duration (in 100 ms units)
x
x represents the DTMF digit (0–9, A–D, *, #), with
the duration defined by #VBT
#VTX*
Sends a voice file to the line, speaker, or handset, as
established by the #VLS command.
#VGT
n*
Sets the playback volume of the headphone and speaker
outputs, where
n=128–228. The default is n=153. A lower
number indicated a lower volume level.
