Pressing star (*) on a touch-tone phone, followed by the associated digits, allows the Chairperson to manage the conference call without any operator assistance, and without leaving the call. Some commands are available only to the Chairperson and others to both the Chairperson and participants.
| Chairperson Touch-Tone Commands | ||
| *0 | Operator Assistance | |
| *1 | Dial-out to participant | |
| *1 | Join participant to the conference | |
| *2 | Join participant to the conference and dial another participant | |
| *3 | Return to the conference without a participant | |
| *4 | Disconnect the line and continue dialing | |
| *4 | To initiate recording of the call | |
| 1 | Start | |
| *4 | Cancel | |
| *5 | Mute all participant's line, *5 again to un-mute. | |
| *6 | Mute own line, *6 again to un-mute line | |
| *7 | Security Feature: Lock the call from any further participants (or an operator) to enter. *7 again to un-lock | |
| *8 | Automated Roll call: Listen to a recording of the participants' names (recorded when they entered the call) | |
| *9 | Participant count: Hear the number of participants currently on the call. | |
| ## | Disconnect all lines after Chairperson hangs up. | |
| ## | Allow participants to continue the call after Chairperson hangs up. | |
| Participant Touch-Tone Commands | ||
| *0 | Operator Assistance | |
| *6 | Mute own line, *6 again to un-mute. | |