150 Telephone user interfaceWhen making a selection, the system applies the command, plays aconfirmation tone, and returns the user to the conference.2 Each invocation of the command advances one step in the requireddirection. To advance more than one step, the whole sequencemust be repeated. For example, to reach the maximum volume inthe listen direction, dial:*76 *76 *763 The menu can be interrupted, so the two-digit sequence can beentered without waiting for the menu.—End—HelpThe chairperson can access a help menu by dialing **. The help menu is avoice recording of all chairperson command options. The chairperson canstop the help menu before it finishes by dialing ** again.The help command is sensitive to where the chairperson is in the commandstructure. For example, if the conference is in the normal active state,the chairperson hears the main list of commands after dialing **. If thechairperson dials out to a person and then dials **, the chairperson hearsthe list of commands relevant to dialing out. If the chairperson dials *69 or*60 to count conferees, and then dials **, the chairperson hears the list ofcommands relevant to counting conferees.Conferees can dial ** to hear a list of command options available toconferees. Only the participant who dials ** hears the relevant list ofcommands.Conferee featuresAcquire and release chairperson controlFollow the steps in Procedure 20 "Acquire/release chairperson control"(page 150) to acquire, or release, chairperson control.Procedure 20Acquire/release chairperson controlStep Action1 To acquire chairperson control, dial *51. The system reacts asfollows:• If another chairperson is present at the conference, thecommand fails. The system notifies the user and returns themto the meeting.Nortel Communication Server 1000/Communication Server 2100 Solution/Meridian SL-100Nortel Integrated Conference Bridge: Service Implementation FundamentalsNN43001-558/555-4001-135 01.02 StandardICB Release 4 20 June 2007Copyright © 2007, Nortel Networks.
