References

Third Generation Partnership Project (3GPP)

[3GPP TR 23.815] Charging implications of IMS architecture.
[3GPP TS 24.930] Signalling flows for the session setup in the IMS based on SIP and SDP.
[3GPP TS 22.101] Service principles.
[3GPP TS 22.228] Service requirements for the IP multimedia core network subsystem.
[3GPP TS 23.002] Network architecture.
[3GPP TS 23.003] Technical Specification Group Core Network; Numbering, addressing and identification.
[3GPP TS 23.060] General Packet Radio Service (GPRS); Service description; Stage 2.
[3GPP TS 23.206] Voice Call Continuity (VCC) between Circuit Switched (CS) and IP Multimedia Subsystem (IMS); Stage 2.
[3GPP TS 23.107] Quality of Service (QoS) concept and architecture.
[3GPP TS 23.207] End-to-End QoS Concept and Architecture.
[3GPP TS 23.218] IP Multimedia (IM) session handling; IM call model; Stage 2.
[3GPP TS 23.221] Architectural requirements.
[3GPP TS 23.228] IP Multimedia (IM) Subsystem; Stage 2.
[3GPP TS 23.333] Multimedia Resource Function Controller (MRFC) — Multimedia Resource Function Processor (MRFP) Mp interface; Procedures descriptions.
[3GPP TS 23.981] Interworking aspects and migration scenarios for IPv4 based IMS Implementations.
[3GPP TS 24.008] Mobile Radio Interface Layer 3 specification; Core Network Protocols; Stage 3.
[3GPP TS 24.147] Conferencing using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3.
[3GPP TS 24.173] IMS Multimedia telephony service ...

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