Marc C. Naddell

Method and apparatus for monitoring environmental conditions in a communication system

Method for providing communication services based on geographic location

Determining and displaying available services for a communication unit

Method for dynamically allocating wireless communication resources

Method for a communication unit to participate in multiple calls

Method of assigning a voice/data channel as a temporary control channel in a radio communications system

Method for determining geographic relationships between communication units

Method for providing communications within a geographic region

Method for automatically bypassing the use of a communication system infrastructure

Method for providing alternate communication services based on geographic location