Patent ID: 6175620
Filing Date: 2001-01-16
Classification: H04M,H04Q

Abstract:
A method of making compatible within a telephone network a telephone service using a server designated by a telephone number and connected to said telephone network and a calling line identification presentation service, said server joining a first call between a calling user terminal and said server to a second call between said server and a called user terminal, a user of said called terminal having previously subscribed to said calling line identification presentation service, said method comprising the following successive steps of:transmitting the telephone number of the calling terminal in a request to set up said first call between said calling user terminal and said server through said telephone network, said request succeeding a call from said called terminal to said server during which said server had stored in memory a telephone number of said called terminal as the terminal that most recently called said calling terminal,introducing by said server the stored telephone number of said calling terminal, as if said stored telephone number were the telephone number of said server, in a request to set up said second call in response to the request to set up said first call in said server, andtransmitting the request to set up said second call with said telephone number of said calling terminal from said server to said telephone network so that said telephone number of said calling terminal is transmitted from said telephone network to said called terminal.