Patent ID: 6097798
Filing Date: 2000-08-01
Classification: H04M,H04Q

Abstract:
In a switched telephone network including multiple central office processor controlled switching systems serving subscriber terminals, said switching systems being connected together by trunks, a first of said switching systems being connected by a dedicated link to a second of said switching systems having different characteristics than said first switching system, said first switching system having an adjunct processor with a program store associated with said first switching system, said first switching system being connected to a first subscriber premises and also connected to a third of said switching systems, said second switching system being connected to a second subscriber premises by a link connected to said dedicated link;a method comprising:creating an off-hook condition on said link to said second subscriber premises, receiving dial tone at said second subscriber premises, and dialing digits seeking connection to a third subscriber premises connected to said third switching system;signaling said first switching system and said adjunct processor that a request for services exists from said second subscriber premises;establishing a one way connection from said first switching system to said first subscriber premises via said connection therebetween;establishing a two way connection between said third subscriber premises and said second subscriber premises; andmonitoring at said first subscriber premises signaling associated with said establishment of said two way connection between said third subscriber premises and said second subscriber premises.