diff --git a/33128/r18/TS33128Payloads.asn b/33128/r18/TS33128Payloads.asn
index a571b7411c6521b9d4781d3a542f4e2611fcddee..5e66b3c9092ea7540ba69de1c875a692d27473ac 100644
--- a/33128/r18/TS33128Payloads.asn
+++ b/33128/r18/TS33128Payloads.asn
@@ -4453,6 +4453,11 @@ RCSCCPDU ::= CHOICE
 
 IMDNMessageID ::= UTF8String
 
+MSRPPath ::= SEQUENCE
+{
+    path [1] UTF8String
+}
+
 RCSConversationID ::= UUID
 
 RCSContributionID ::= UUID
@@ -4511,7 +4516,8 @@ RCSSIPSessionMessage ::= SEQUENCE
 {
     sessionLeg       [1] RCSSessionLeg,
     sIPMessage       [2] IMSPayload,
-    rCSSessionResult [3] RCSSessionResult
+    rCSSessionResult [3] RCSSessionResult,
+    mSRPPathInfo     [4] MSRPPath
 }
 
 RCSSessionResult ::= ENUMERATED