name: DCMTSI
full_form: Data Channel Multimedia Telephony Service for IMS
context: An SCTP connection over DTLS over UDP is established between the DCMTSI client (UE) and the IMS-AGW which is applied to P2P use case without DC media resources. An SCTP connection over DTLS over UDP is established between the DCMTSI client (UE) and DCMF (enhanced MRF) which is applied to the A2P/P2A use cases, the P2P use case with DC media resources and the bootstrap data channel. The data channel transport layer is terminated at IMS-AGW or DCMF (enhanced MRF) and e2ae security is achieved. If the DC Application server supports both HTTP and IETF RFC 8831 [9] WebRTC data channel protocols, the application data channel is established between the DCMTSI client (UE) and the External DC Application Server. An SCTP connection over DTLS over UDP is established directly between the DCMTSI client (UE) and the external DC Application server, which is applied to the A2P and P2A use cases. In order to establish the WebRTC data channel, a signaling channel is required e.g., to exchange
description: Data Channel Multimedia Telephony Service for IMS (DCMTSI) is a telecommunication service that enables multimedia communication over IP networks. It provides a framework for delivering multimedia services, including voice, video, and data, between user equipment (UE) and application servers.
explanation: The context describes DCMTSI as a service that establishes connections for multimedia communication and data exchange between network entities like UEs and application servers. This clearly defines it as a telecommunication service.
section_title: 6.5.2.1	Solution Description
biotag_Context: O,B-Protocol,O,O,B-Protocol,O,B-Protocol,O,O,O,O,B-Service,O,O,O,O,B-Network Function,O,O,O,O,B-Interface,O,O,O,B-Parameter,O,O,O,B-Protocol,O,O,B-Protocol,O,B-Protocol,O,O,O,O,B-Service,O,O,O,B-Network Function,O,O,O,O,O,O,O,O,O,O,O,B-Interface,O,O,O,B-Parameter,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Network Function,O,B-Network Function,O,O,O,O,O,O,O,O,O,B-Parameter,O,O,O,O,B-Protocol,O,B-Organization,B-Specification,O,O,O,O,O,O,O,O,O,O,O,O,O,O,B-Service,O,O,O,O,O,B-Parameter,O,O,O,B-Protocol,O,O,B-Protocol,O,B-Protocol,O,O,O,O,O,B-Service,O,O,O,O,O,B-Parameter,O,O,O,O,O,O,O,O,O,B-Service,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O
biotag_Description: B-Service,I-Service,I-Service,I-Service,I-Service,I-Service,I-Service,O,O,O,O,O,O,O,O,O,O,B-Protocol,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O,O