ETSI EN 300 646-1
- Integrated Services Digital Network (ISDN); Signalling System No.7 (SS7); Digital cellular telecommunications system (Phase 2); Application of ISDN User Part (ISUP) version 2 for the ISDN-Public Land Mobile Network (PLMN) signalling interface; Part 1: Pro
- standard by European Telecommunications Standards Institute, 05/01/1999
- Publisher: ETSI
$15.00$29.50
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