2 References
24.5233GPPArchitecture and functional descriptionCore and enterprise Next Generation Network (NGN) interaction scenariosRelease 17TS
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[1] 3GPP TS 23.167: "Technical Specification Group Services and System Aspects; IP Multimedia Subsystem (IMS) emergency sessions".
[2] 3GPP TS 22.519: "Technical Specification Group Services and System Aspects; Business Communication Requirements".
[3] ETSI ES 282 001 (V.3.4.1): "Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); NGN Functional Architecture".
[4] 3GPP TS 24.524: "Technical Specification Group Core Network and Terminals; Hosted Enterprise Services; Architecture, functional description and signalling".
[5] 3GPP TS 24.525: "Technical Specification Group Core Network and Terminals; Business trunking; Architecture and functional description".
[6] 3GPP TS 29.162: "Technical Specification Group Core Network and Terminals; Interworking between IM CN subsystem and IP networks".
[7] 3GPP TS 33.203: "Technical Specification Group Services and System Aspects; 3G Security; Access security for IP-based services".
[8] ETSI TR 102 478 (V1.1.1): "Enterprise Communication in Next Generation Corporate Networks (NGCN) involving Public Next Generation Networks (NGN)" (also published as ECMA TR/91).
[9] IETF RFC 5863 (April 2010): "Requirements from Session Initiation Protocol (SIP) Session Border Control (SBC) Deployments".
[10] 3GPP TS 33.210: "Technical Specification Group Services and System Aspects; 3G security; Network Domain Security (NDS); IP network layer security".
[11] 3GPP TS 23.218: "Technical Specification Group Core Network and Terminals; IP Multimedia (IM) session handling; IM call model; Stage 2".