*2 β Caller Count:Tells the user how many total participants are on the line
*3 β Roll Call: Tells the user the phone numbers of the other participants on the call (Or name if the names were recorded.)
*6 β Mute/Unmute
*7 -- Raise Hand / Lower Hand . (Applicable to seminar mode only.)
** β Verbal list of all in-call commands
** a small percentage of lines do not support touch tone commands at this time, though this equipment is eventually going to be completely replaced.