Method, exchange and telecommunications network for controlling the establishment of connections to a subscriber who is the destination of mass calling

An exchange (B31) for controlling the establishment of connections to a subscriber (T) who is the destination of mass calling in a telecommunications network (KN) with exchanges (B31, B3, B, M, M2, M22), said exchange (B31) comprising:

• a first means (EK) located at the first exchange (B31) for detecting a mass-calling situation to said subscriber (T);
• and
• a second means (RN) located at the first exchange (B31) for generating a back-signalling message for releasing a busy connection to said subscriber (T), said back-signalling message, if the first means (EK) detects the mass-calling situation, containing information which indicates the occurrence of the mass-calling situation to the exchanges (B3, B, M, M2, M22) involved in the establishment of a busy connection, said information usable by the exchanges for call limiting purposes in the exchanges and said information containing information stating the number of lines by which said subscriber (T) is connected to one of the exchanges (B31).

An exchange (B3) for controlling the establishment of connections to a subscriber (T) who is the destination of mass calling in a telecommunications network (KN) with exchanges (B31, B3, B, M, M2, M22), said exchange (B3) comprising:

• a receiving means (EM) for receiving a back-signalling message from a first exchange (B31) for releasing a busy connection to said subscriber (T), said back-signalling message containing information which indicates the occurrence of the mass-calling situation and containing information stating the number of lines by which said subscriber (T) is connected to said first exchange (B31);
• and
• a choking means (DM) for limiting traffic toward the destination (T) of the mass calling in response to the reception of said information.