Technische Regel
[AKTUELL]
ETR 191
ETR 191
Private Telecommunication Network (PTN) - PTN mobility - Use of Universal Personal Telecommunications (UPT) phase 1 - General principles and service aspects
Titel (englisch)
Private Telecommunication Network (PTN) - PTN mobility - Use of Universal Personal Telecommunications (UPT) phase 1 - General principles and service aspects