ETSI TR 123 039
- Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Interface protocols for the connection of Short Message Service Centres (SMSCs) to Short Message Entities (SMEs) (3GPP TR 23.039 version 4.0.0
- standard by European Telecommunications Standards Institute, 03/01/2001
- Publisher: ETSI
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