: It details features like message-waiting indicators, delivery reports, and the handling of priority messages. Key Technical Aspects
GSM 03.40 - Version 3.7.0 - European Digital Cellular ... - ETSI
GSM 03.40 - Version 3.7.0 - European Digital Cellular Telecommunications System (phase 1); Technical Realization of the SMS Poin. GSM 03.40 - Version 5.3.0 - ETSI gsmden tc 40m.txt
: It outlines how Mobile Stations (MS), Service Centers (SC), and the network backbone interact to deliver messages.
For the most accurate technical data, researchers typically reference the official ETSI GSM 03.40 Technical Specification or the updated 3GPP documentation . GSM 03
: These standards were critical for the development of 2G digital cellular networks , establishing the global foundation for mobile text messaging.
: The document defines the protocols used for point-to-point SMS, including how data is packaged and routed. : The document defines the protocols used for
The GSM 03.40 specification (later evolving into 3GPP TS 23.040 ) provides the blueprint for how SMS works. It was developed by the under ETSI.