Gsmden Tc 40m.txt Apr 2026

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.

GSM 03.40 - Version 3.7.0 - European Digital Cellular ... - ETSI 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. The GSM 03

: It outlines how Mobile Stations (MS), Service Centers (SC), and the network backbone interact to deliver messages. Service Centers (SC)

: The document defines the protocols used for point-to-point SMS, including how data is packaged and routed.

: These standards were critical for the development of 2G digital cellular networks , establishing the global foundation for mobile text messaging.