Patent ID: 6427009
Filing Date: 2002-07-30
Classification: H04M

Abstract:
A method for sending to a called station of a first party who subscribes to a Custom Local Area Signaling System (CLASS) service such as Caller Identification (Caller ID) and who is engaged in a telephone conversation with a second party a directory telephone number with a corresponding name (DN) of a third party calling a telephone number of said first party, comprising the steps of:(a) in response to receiving at a terminating central office serving said first party who subscribes to said CLASS service such as Caller ID and who is engaged in said telephone conversation with said second party a public flagged DN of said third party from an originating central office of said third party, indicating that said DN of said third party is to be disclosed at said called station of said first party, connecting to a voice channel of said first party busy telephone line and sending a call waiting tone signal to said first party; and (b) said terminating central office then transmitting to said called station of said first party who subscribes to said CLASS service such as Caller ID and who is engaged in said telephone conversation with said second party said DN of said third party during a silent interval of said call waiting tone signal cycle.