OptionalmaxThe maximum number of accepted digits before sending the collected input via a PIE callback. The default value is 1. If the value is greater than 1, the PIE callback is triggered by one of the three following events: - No additional digit is entered before the timeoutMills timeout period has elapsed. - The # character is entered. - The maximum number of digits has been entered.
OptionalmodeDetermines what DTMF mode the participant will use in the call.
OptionaltimeoutThe number of milliseconds that the system will wait between entered digits before triggering the PIE callback. The default value is 3000.
Options to control how DTMF signals are used by the participant in the conference. For information on how to use this feature, read more here.