8 Communication release media plane procedures
24.5823GPPMission Critical Data (MCData) media plane controlProtocol specificationRelease 17TS
When communication is released by the MCData client or by the MCData server, as specified in 3GPP TS 24.282 [8], for an SDS or FD session which uses the media plane, the related MSRP session and the TCP or TLS connections used for this MSRP session shall also be released.