Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); TISPAN; NGN Architecture to support emergency communication from citizen to authority [Endorsed document 3GPP TS 23.167@ Release 7] (V7.2.0; 3GPP TS
The present document provides the ETSI endorsement of the 3GPP TS 23.167 [1]. The present document defines the architectural description for emergency services in the IP Multimedia Core Network Subsystem (IMS)@ including the elements necessary to support IP Multimedia (IM) emergency services The present document covers also the Access Network aspects that are crucial for the provisioning of IMS emergency services.