Patent ID: 6720864
Filing Date: 2004-04-13
Classification: H04M

Abstract:
A wireless on-call communication system for management of on-call messages, the wireless on-call communication system having a plurality of wireless communication devices including an on-call wireless communication device and a replacement wireless communication device, wherein the on-call wireless communication device is active and the replacement wireless communication device is inactive, the wireless on-call communication system comprising:an on-call server for managing an on-call schedule; a system controller coupled to the on-call server for generating an on-call message in response to a server command from the on-call server; at least one radio frequency transmitter coupled to the system controller for transmitting the on-call message to the plurality of wireless communication devices including the on-call wireless communication device and the replacement wireless communication device, wherein the on-call wireless communication device is inactive in response to receiving the on-call message and the replacement wireless communication device is active in response to receiving the on-call message; and at least one radio frequency receiver coupled to the system controller for receiving a change notification message sent from the on-call wireless communication device and communicating the change notification message to the system controller, wherein the system controller communicates the change notification message to the on-call server, and further wherein the server command is generated by the on-call server in response to the receipt of the change notification message.