Maintaining communications after control breaks in a trunked com
Method and apparatus for an alternate home channel for a land mo
Method and apparatus for automatic repeat request in a...
Method and apparatus for replacing a failed channel unit of a se
Method for securing the operation of a telecommunications networ
Method for selecting a control channel in a trunked radio system
Method of maintaining calls subsequent to a site controller fail
Method of preventing data inconsistency between master...
Method of reconfiguring a distributed communication system using
Mobile communication system having a control for limiting the nu
Mobile telecommunication system having an auxiliary routing arra
Multiple accessing satellite communication system having standby