123167 May 2026

Provides informative examples of call sequences based on NENA (National Emergency Number Association) recommendations.

The number primarily refers to a technical specification for IP Multimedia Subsystem (IMS) emergency services used in telecommunications, or an academic research article regarding water quality monitoring . Telecommunications: ETSI TS 123 167 123167

This is a standard developed by the European Telecommunications Standards Institute (ETSI) that defines the stage 2 service description for . Provides informative examples of call sequences based on