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
: It details features like message-waiting indicators, delivery reports, and the handling of priority messages. Key Technical Aspects gsmden tc 40m.txt
: Specifications like GSM 07.05 (often referenced alongside 03.40) define the interface between data terminal equipment and mobile phones for managing SMS functions. GSM 03
For the most accurate technical data, researchers typically reference the official ETSI GSM 03.40 Technical Specification or the updated 3GPP documentation . For the most accurate technical data, researchers typically
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.
: These standards were critical for the development of 2G digital cellular networks , establishing the global foundation for mobile text messaging.