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Method and apparatus for wireless trunking to private branch exchanges

  • US 5,787,355 A
  • Filed: 04/22/1994
  • Issued: 07/28/1998
  • Est. Priority Date: 04/22/1994
  • Status: Expired due to Fees
First Claim
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1. A communication network comprising:

  • a private branch exchange;

    a plurality of trunk lines; and

    a plurality of radio units connected through said trunk lines to said private branch exchange, said radio units transmitting telephone messages to and receiving telephone messages from a communication cell, each of said radio units having a memory with a plurality of stored mobile identification numbers for which each of said radio units can respond to route an incoming call, each memory storing a different plurality of mobile identification numbers, each of said radio units further having circuitry actively responsive to a page to determine if said page includes a mobile identification number matching one of said stored mobile identification numbers and, if so, to instruct another radio unit to seize one of said trunk lines to route the incoming call to said private branch exchange.

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  • 6 Assignments
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