Host participants using telephones or SIP/H.323 endpoints that support DTMF can now lock and unlock a conference, mute and unmute all guests, and terminate a conference, using DTMF controls.
Using your DTMF (touch-tone enabled) remote or telephone keypad, press the following key combinations to perform the options below:
*7 - Toggle conference lock/unlock
*5 - Toggle mute/unmute all guests
## - Terminates the conference