ETSI TS 123 081
- Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Line identification supplementary services - Stage 2 (3GPP TS 23.081 version 4.0.0 Release 4)
- standard by European Telecommunications Standards Institute, 03/01/2001
- Publisher: ETSI
$21.00$41.00
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