9 Coding

24.5823GPPMission Critical Data (MCData) media plane controlProtocol specificationRelease 17TS

9.1 General

SDS and FD over media plane messages are coded according to MSRP as specified in RFC 4975 [11] both for short data and disposition notification. The body of an MSRP message includes SDS specific messages of a file.

9.2 SDS specific messages

SDS specific messages used for on-network SDS using media plane are SDS SIGNALLING PAYLOAD message, DATA PAYLOAD message and SDS NOTIFICATION message. The message structures and the format of the information elements are specified in clause 15 of 3GPP TS 24.282 [8]