Patent ID: 8326210

Claim:
A method of configuring a handset for use in a participant response system allowing a participant of an event to input a response, the method comprising: entering participant information identifying a group of participants to which the participant belongs into the handset; transmitting the entered information and information uniquely identifying the handset over a wireless link to a central unit; at the central unit, determining handset configuration parameters for the handset on the basis of said entered information; transmitting the determined handset configuration parameters to the handset; configuring the handset in accordance with the determined handset configuration parameters, and repeating the entering, the transmitting of the entered information, the determining, the transmitting of the determined handset configuration parameters, and the configuring for each of a plurality of groups of handsets, wherein the step of configuring includes altering data in the handset so as to alter the operation of the handset to allow communication between each handset of a group without interfering with communications between handsets of another group.