name: IMS
full_form: IP Multimedia Core Network Subsystem
context: The support for IMS media integrity protection is mandatory in an IMS UE supporting IMS media plane security and mandatory in IMS core network elements (i.e., IMS Access Gateway) supporting DTLS-SRTP based, SDES based and/or TLS (MSRP) e2ae IMS media plane security. The support for IMS media integrity protection is mandatory in an IMS UE supporting IMS media plane security and mandatory in IMS core network elements (i.e., Data Channel Media Function) supporting e2DCe IMS Data Channel media plane security. The support for IMS media integrity protection is mandatory in an IMS UE and in IMS network elements, supporting e2e IMS Data Channel media plane security. The use of IMS media integrity protection for RTP is optional, except that RTCP shall be integrity protected using SRTCP, in accordance with RFC 3711 [9]. The use of IMS media integrity protection for MSRP is optional. The use of IMS media integrity protection for IMS data channel is recommended.
description: The IP Multimedia Core Network Subsystem (IMS) is a network architecture that enables multimedia services over IP networks. It provides a framework for delivering voice, video, and data services by managing media sessions, ensuring quality of service, and enabling secure communication between users.
explanation: IMS is classified as a Network because it defines the structure and functionality of a system designed to deliver multimedia communications over IP. The description emphasizes its role in managing network elements and facilitating communication.
section_title: 5.2	Media integrity protection
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