RECORD FILE filename format escape_digits timeout [offset_samples] [BEEP] [s=silence]
Records the channel audio to the specified file
until the reception of a defined escape (DTMF) digit. The
format argument defines the type of file to be
recorded (wav, gsm, etc.). The
timeout argument is the maximum number of
milliseconds the recording can last, and can be set to -1
for no timeout. The offset_samples argument is
optional; if provided, it will seek to the offset without exceeding
the end of the file. The silence argument is the
number of seconds of silence allowed before the function returns
despite the lack of DTMF digits or reaching the timeout. The
silence value must be preceded by s= and is also
optional.
Return values:
-1
-
Failure
0
-
Successful recording
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