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Method and apparatus for identifying type of call

  • US 6,031,899 A
  • Filed: 10/28/1996
  • Issued: 02/29/2000
  • Est. Priority Date: 10/28/1996
  • Status: Expired due to Term
First Claim
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1. A local switch for call type identification of a calling party to a called party, prior to a communication therebetween, via a selective distinctive ring pattern signal, from a plurality of distinctive ring pattern signals and in one-to-one correspondence with said call type identification, to said called party, said telecommunications system comprising:

  • first message generator means for generating, upon receipt of a communication request from said calling party, a prompting message from said local switch to said calling party, said prompting message requesting a response from said calling party for the call type identification of said communication request from said calling party to said called party;

    message interpretation means for interpreting, upon receipt of said response, the call type identification entered by said calling party;

    second message generator means for generating, upon interpretation of said response, said selective distinctive ring pattern signal to said called party, said selective distinctive ring pattern signal being in one-to-one correspondence to said call type identification; and

    blocking means, upon interpretation of said response, to selectively block said communication between said calling party and said called party.

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