Publikuar
This European Telecommunication Standard (ETS) specifies the procedures used at the radio interface (Reference Point Um, see GSM TS 04.02) for Call Control (CC), Mobility Management (MM) and Radio Resource (RR) management. When the notations for "further study" or "FS" or "FFS" are present in this document they mean that the indicated text is not a normative portion of this standard.
PUBLISHED
SSH ETS 300 557:1996 ed.3
60.60
Standard published
20 tet 2025