Automatic call destination/system selection in a radio communica

Details Automatic call destination/system selection in a radio communica Automatic call destination/system selection in a radio communica

1995-07-25

1997-03-18

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455 561, 455 89, 4551861, H04Q 738, H04B 726

Patent

active

056132018

ABSTRACT:
A method and apparatus for placing calls in a multi-system land mobile radio network. A plurality of call destinations are linked or grouped together into a call group. Each call destination has a preferred system. Selection of a first call destination points to or is linked to at least a second call destination. If the preferred system for a current call destination is not accessible, then a second call destination, selected in accordance with the first call destination is made the current call destination. Selecting a call group causes a radio to attempt a plurality of call destinations, each in sequence, until an accessible preferred system is found, indicating that the current call destination is valid. If an accessible system is found, then the call is placed thereto.

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