#VTS - Generate Tone Signals (Online Voice Command)
This action command can be issued to play one or more DTMF or other
tones (such as a "beep") if and only if the modem is in
the Online Voice Command Mode. The modem parses and plays the tones defined
in the parameter in the order listed, and no key abort is accepted. The
parameter can have three types of elements separated by commas:
Dual or Single Tones
These are represented by a substring enclosed in square brackets ("[
]") within the parameter. Each such substring consists of three
sub-elements cor-responding to two frequencies in Hz (0, or 200 - 3000)
and a duration (ASCII decimal in units of 100 ms).
Varying DTMF Digits
This is represented by a substring enclosed in curly braces ("{
}") within the parameter. Each such substring consists of two sub-elements
corresponding to a DTMF digits (0-9, A-D, *,#) and alternate durations in
units of 100 ms.
Parameters:
The tone generation consists of elements in a list with each element
separated by commas.
Result Codes:
OK - Command to play tones on currently selected device is accepted.
ERROR - Command was not issued during Online Voice Command Mode or
string is grammatically incorrect.
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