Patent ID: 6169795
Filing Date: 2001-01-02
Classification: H04M

Abstract:
In an Internet telephony callback system, an apparatus for implementing callback for unanswered telephone calls between system users or between system users and subscribers in a public switched telephone system, comprising: a) a calling station and a called station; b) a first Internet service provider in the system for processing telephone calls in analog form originated by a calling party at the calling station;c) a first voice gateway in the system for transforming the analog telephone calls into digital signals definitive of the telephone calls; d) a calling station callback server for generating a control message accompanying the digital signals, the control message including a unique call identifier and a calling party profile including user calling party name, internet identification and telephone number; e) a second Internet service provider; a second voice gateway and a called station callback server for processing the digital signals into analog form for a called party at the called station when the called party answers the telephone call or saving the control message in the called station callback server when the telephone call is unanswered by the called party; and f) means for initiating a call return message to the calling station callback server for establishment of a return telephone call between the called party and the calling party in response to the saved control message in the called station callback server.