Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); NGN Architecture to support emergency communication from citizen to authority (V1.2.1; 3GPP TS 23.167@ (Release 7))
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.