NF Z82-482*NF ETS 300482:2001 Integrated Service Digital Network (ISDN) – ISDN-Global System for Mobil communications (GSM) Public Land Mobile Network (PLMN) Signalisierungsschnittstelle – Testspezifikation
2001NF Z82-482*NF ETS 300482:2001 Integrated Service Digital Network (ISDN) – ISDN-Global System for Mobil communications (GSM) Public Land Mobile Network (PLMN) Signalisierungsschnittstelle – Testspezifikation