Patent ID: 6058177
Filing Date: 2000-05-02
Classification: H04Q

Abstract:
A method of selecting telephone service types on a subscriber line in response to a called number of a telephone call on said subscriber line, said called number including a number plan area code and a central office code, the method including the steps of:a) processing said call at a service switching point connected to said subscriber line, according to a first call model associated with a first telephone service type when said called number has a numbering plan area code meeting a first criteria;b) terminating processing of said call according to said first call model when at least a portion of said numbering plan area code and at least a portion of said central office code meet a second criteria;c) assigning a dummy routing code to said call, said dummy routing code being operable to control call processing under a second call model associated with a second telephone service type; andd) re-initiating processing of said call at said service switching point, according to said second call model.