Patent ID: 7587036
Filing Date: 2009-09-08
Classification: H04L,H04M,H04Q

Abstract:
1. A method for using a tandem access controller (TAC) coupled to a tandem switch within a public switch telephone network (PSTN), wherein a public telephone number is provided for a calling party to call to reach a subscriber, said public telephone number being capable of accessing said TAC, said method comprising the steps of: receiving at said TAC at least one program instruction to perform at least one function selected by said subscriber; receiving a first call at said TAC placed by a calling party calling said public telephone number, said first call being received by said TAC prior to said first call reaching a terminating central office; placing a second call by said TAC to said subscriber using a private telephone number of said subscriber while maintaining said first call; and automatically coupling said first call and said second call, whereby said calling party is connected to said subscriber by said TAC.