Wait for tone
Waits for a single-frequency tone to be detected before dialplan execution continues.
WAITFORTONESTATUS- This indicates the result of the wait.
freq- Frequency of the tone to wait for.
duration_ms- Minimum duration of tone, in ms. Default is 500ms. Using a minimum duration under 50ms is unlikely to produce accurate results.
timeout- Maximum amount of time, in seconds, to wait for specified tone. Default is forever.
times- Number of times the tone should be detected (subject to the provided timeout) before returning. Default is 1.
d- Custom decibel threshold to use. Default is 16.
s- Squelch tone.
This documentation was imported from Asterisk Version GIT-16-249fe0f