A method of establishing a toll-free communication...

H - Electricity – 04 – M

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Details

H04M 15/08 (2006.01) H04M 15/00 (2006.01) H04Q 3/00 (2006.01) H04Q 3/76 (2006.01)

Patent

CA 2237873

To establish a toll-free communication connection between a calling terminal (TE21) which is connected to a first communications network (KN1), and a called terminal, a connection request with a toll-free universal call number (IFN) is transmitted as a called number to the first communications network (KN1). In this case the toll-free universal call number (IFN) is provided by a service unit (SERV) of a second communications network (KN2). The first communications network (KN1) recognizes the connection request as one with a toll-free universal call number and an inquiry is then sent by the first communications network (KN1) to this service unit (SERV) of the second communications network (KN2). From the toll-free universal call number this service unit (SERV) then determines a toll-free local call number (LFN) of the first communications network (KN1), and returns same to the first communications network (KN1). The first communications network (KN1) subsequently establishes the requested connection in accordance with this determined toll-free local call number (LFN).

Pour établir une connexion de communication sans frais entre un terminal demandeur (TE21) connecté à un premier réseau de communication (KN1) d'une part, et un terminal demandé d'autre part, une demande de connexion à un numéro universel sans frais (IFN) est transmise comme numéro demandé à ce premier réseau de communication (KN1). Dans ce cas, le numéro universel sans frais (IFN) est fourni par une unité de service (SERV) d'un second réseau de communication (KN2). Le premier réseau de communication (KN1) constate que la demande de communication est une demande de communication avec un numéro universel sans frais et il transmet alors une interrogation à cette unité de service (SERV) du second réseau de communication (KN2). € l'aide du numéro universel sans frais, l'unité de service (SERV) trouve un numéro local sans frais (LFN) pour le premier réseau de communication (KN1) et le transmet à ce premier réseau de communication (KN1). Le premier réseau de communication (KN1) établit alors la connexion demandée à l'aide du numéro local sans frais (LFN) obtenu.

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