Digital cellular telecommunications system (Phase 2+) (GSM); General requirements on interworking between the Public Land Mobile Network (PLMN) and the Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN) (GSM 09.07 version 5.8.1 Release 1996) (Endorsed by AENOR in October of 2005.)
STANDARD published on 1.10.2005
Designation standards: UNE-ETS 300976ED7
Publication date standards: 1.10.2005
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE