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In­di­vid­u­al TETRA Subscriber Iden­ti­ties (IT­SIs)

ITSIs are required to identify subscribers in digital trunked networks and have international validity and significance.

The Assignment Rules were published in the Reg TP`s Official Gazette 23/2000 of 6 December 2000 (Administrative Order 83/2000).

With effect from 25.11.2010 applications should be sent to the following address even if the application form still specifies a different address.

Applications should be sent to 

Referat 118 Nummernverwaltung
Canisiusstraße 21
55122 Mainz


Referat 118 Nummernverwaltung
Postfach 8001
55003 Mainz.

Rules for the Assignment of Individual TETRA Subscriber Identities (ITSIs) with application form (pdf / 29 KB)

Date of modification: 2010.11.24