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ULAR TELEPHONE SYSTEM INTEGRATED WITH PAGING NETWORK

  • US 5,175,758 A
  • Filed: 09/04/1990
  • Issued: 12/29/1992
  • Est. Priority Date: 09/15/1989
  • Status: Expired due to Term
First Claim
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1. A telephone system for establishing a connection between telephone devices of a first and a second user when a location of the telephone device of the second user is not known, comprising:

  • telephone devices of the first and second users, each of the telephone devices having a radio telephone with multiple channels and a pager for providing paging messages;

    a paging network for transmitting paging messages between the telephone devices of said users, said paging network having at least two paging transmitters each establishing a respective paging range;

    a cellular network for transmitting telephone calls between the telephone devices of said users, said cellular network having a plurality of base stations each with a receipt area for servicing the telephone devices located within range of the receipt area of said base stations, some of said base stations being located within at least one of said paging ranges; and

    at least one exchange associated with each of said base stations, said exchange being operative for setting up calls within the cellular network and for storing in a first memory said transmitted paging messages, said exchange storing the transmitted paging message in a first memory in response to an inability of the telephone device of said second user to receive the transmitted paging message when sent by the pager of the telephone device of the first user and thereafter transferring the stored paging message to said telephone device of said second user at a time when said telephone device of said second user can receive said paging message, said exchange comprising means for initiating a call from said telephone device of said second user to said telephone device of said first user by using said stored paging message when said telephone device of said first user has been switched off before connection is established between the telephone device of the second user and the exchange.

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