Method for registration of a new user in a radio alarm system

Procedure for registering a new user in a radio system an alarm installation with a central and multiple users, providing the central (ZX1, ZY1) and each user (TX2, TX3; TY2 to TY5) of the respective issuer equipment and receiver and may enter radio contact each user with direct or indirect exchange via one or more other users as intermediate stations, with the following steps: - the new user (T0) sends a search query as a search telegram not addressed to all users achievable (TY4, TY5; ZX1, TX2, TX3) and choose from among users who answer a first intermediate station (TY5); - The new user (T0) sends to the first intermediate station (TY5) elected a desire to register in the form of a message, which contains a provisional own address (T0) and as destination indication the central (ZY1) assigned to the first intermediate station; - As soon as the desire to record has been retransmitted by the first intermediate station (TY5) to the central and (ZY1), decides the plant on the acceptance or rejection of the desire of registration; and - when there is acceptance, it sends the central (ZY1) through the first intermediate station (TY5) a response telegram containing a user number (TY6) and a system identifier (Y), which are captured and stored by the new user.