Valy Lev

Method for transmitting data packets based on message type

Method for providing voice mail service in a dispatch radio communication system and corresponding dispatch system

Method and apparatus for providing packet data communications to a communication unit in a radio communication system

Scanning receiver allocation method and apparatus for cellular radiotelephone systems

Method for communications between mobile units using single and multiple switching center configurations

Multiple frequency allocation radio frequency device and method

Interface method and apparatus for a cellular system site controller

Cellular radio system using common radio backbone

Method for establishing communications in wireless communication systems having multiple switching centers

Method for transmitting data packets via a circuit-switched channel