26.1143GPPIP Multimedia Subsystem (IMS)Media handling and interactionMultimedia telephonyRelease 18TS
The IMS messaging service is described in TS 26.141 . The description of IMS messaging in clauses 1-6 of TS 26.141  is applicable for MSRP-transported media in MTSI. The MSRP transport itself is described in TS 24.247 .
All statements in TS 26.141 regarding IMS messaging are valid for MSRP transported media in MTSI including the status of the statement (shall, should, may).
Any differences between IMS messaging in TS 26.141  and MSRP transported media in MTSI are described in clause 13a.2.
13a.2 Difference relative to 3GPP TS 26.141
For MSRP transported Media in MTSI, clause 5.2.2 of this specification applies.