Following is the list of events that are supported by the VoiceXML Browser:
exit
The user has asked to exit. This is available when the universals property includes exit.
help
The user has asked for help. This is available when the universals property includes help.
noinput
The user has not responded within the timeout interval.
nomatch
The user inputs something, but it was not recognized.
maxspeechtimeout
The user input was too long, exceeding the property value (not supported for speech recognition).
connection.disconnect.hangup
The caller hangs up.
connection.disconnect.transfer
The call was “blind transferred” to another line and will not return.