Unique ringing on a prime telephone

  • US 5,491,746 A
  • Filed: 03/08/1994
  • Issued: 02/13/1996
  • Est. Priority Date: 03/09/1993
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of ringing a telephone line comprising:

  • (a) receiving a request for service to a first telephone line, the request being identified by a first directory number,(b) looking up in a table containing a plurality of ringing sequences, a first particular ringing sequence which is allocated to the first directory number, and(c) applying the first particular ringing sequence to a subscriber'"'"'s line which terminates at the first telephone, and ringing the first telephone in the first particular ringing sequence.

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