The Cisco Unified IP Conference Phone 8831 offers optional extension microphones that can be wired or wireless and has an optional daisy-chain configuration of two base speaker units. As a base kit, the Cisco Unified IP Conference Phone 8831 includes a two-element speaker within the base unit, as well as four internal microphones located within the corners of the unit. Also included is a corded display control unit.
For more information on how to use the Conference Phone 8831, as well as a description of its features and functions, see Cisco's Best Practices Guide and Video Tutorial.
To host a MeetMe conference call, see http://support.blakeschool.org/entries/96977567
To place a standard conference call, see http://support.blakeschool.org/entries/70531420
Article from Stanford University Support - VoIP Conference Phone 8831