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Methods for processing operator service system calls

  • US 6,256,380 B1
  • Filed: 01/19/1999
  • Issued: 07/03/2001
  • Est. Priority Date: 01/19/1999
  • Status: Expired due to Term
First Claim
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1. A method of processing operator services system calls in a signaling system 7 (SS7) based telephone network including a switching network, a plurality of end user telephones, a plurality of end office switches and a plurality of operator services systems, comprising the steps of:

  • invoking operator services processing in one of the end office switches connected to one of the end user telephones;

    in response to invocation of operator services processing by the one end user telephone, translating, at the end office switch, a telephone number associated with the one end user telephone to a six-digit operator services system code;

    populating, at the end office switch, an integrated services digital network user part (ISUP) called party number field of an SS7 protocol message with the six-digit code and four additional digits;

    populating, at the end office switch, an ISUP generic address parameter field of the SS7 protocol message with the digits dialed during invocation of operator services by the one end user telephone; and

    transmitting the called party number field and the generic address parameter field in the SS7 protocol message to the switching network.

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