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ETSI ETR 243
- European digital cellular telecommunications system (Phase 2); Interface protocols for the connection of Short Message Service Centres (SMSCs) to Short Message Entities (SMEs) (GSM 03.39)
- standard by European Telecommunications Standards Institute, 11/01/1995
- Publisher: ETSI
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This ETSI Technical report (ETR) describes a range of alternative interfaces which may be utilised by Short Message Service Centre (SMSC), and Short Message Entity (SME), developers for the connection of SMEs to SMSCs. The purpose of this ETR is to provide a single document within which the various proprietary SMSC to SME interface standards may be accommodated as optional implementations.