diff --git a/33128/r19/TS33128Payloads.asn b/33128/r19/TS33128Payloads.asn
index 4db26cbae84caa6df802734699116d08e8316464..7d2ae3c6d6f3aa0fed416e119aa7f5552c611734 100644
--- a/33128/r19/TS33128Payloads.asn
+++ b/33128/r19/TS33128Payloads.asn
@@ -1362,7 +1362,9 @@ UAStarParams ::= CHOICE
 {
     tls12                 [1] TLS12UAStarParams,
     generic               [2] GenericUAStarParams,
-    tls13                 [3] TLS13UAStarParams
+    tls13                 [3] TLS13UAStarParams,
+    dtls12                [4] DTLS12UAStarParams,
+    dtls13                [5] DTLS13UAStarParams
 }
 
 GenericUAStarParams ::= SEQUENCE
@@ -1418,6 +1420,20 @@ TLS12UAStarParams ::= SEQUENCE
     tLSClientExtensions   [19] OCTET STRING (SIZE(0..65535)) OPTIONAL
 }
 
+-- ==================================================
+-- Specific UaStarParams for DTLS 1.2 (RFC6347)
+-- Inline references below are to clauses of RFC6347.
+-- ==================================================
+
+DTLS12UAStarParams ::= SEQUENCE
+{
+    tLS12CommonParams [1] TLS12UAStarParams,
+    clientEpoch       [2] INTEGER,   -- clause 4.1
+    serverEpoch       [3] INTEGER,   -- clause 4.1
+    connectionID      [4] OCTET STRING (SIZE(0..255)) OPTIONAL -- RFC9146
+}
+
+
 -- ==================================================
 -- Specific UaStarParams for TLS 1.3 (RFC8446)
 -- Inline references below are to clauses of RFC8446.
@@ -1674,7 +1690,22 @@ TLS13UAStarParams ::= SEQUENCE
     tLSResumptionTickets            [31] SEQUENCE OF TLS13NewSessionTicket OPTIONAL
 }
 
+-- =====================================================
+-- Specific UaStarParams for DTLS 1.3 (RFC9147)
+-- Inline references below are to clauses of RFC9147.
+-- The client/server SnKey can be alternatively be
+-- derived from information carried in tLS13CommonParams
+-- =====================================================
 
+DTLS13UAStarParams ::= SEQUENCE
+{
+    tLS13CommonParams [1] TLS13UAStarParams,
+    clientEpoch       [2] INTEGER,   -- clause 4.2
+    serverEpoch       [3] INTEGER,   -- clause 4.2
+    clientSnKey       [4] OCTET STRING (SIZE(1..65535)) OPTIONAL, -- clause 4.2.3
+    serverSnKey       [5] OCTET STRING (SIZE(1..65535)) OPTIONAL, -- clause 4.2.3
+    connectionID      [6] OCTET STRING (SIZE(0..255)) OPTIONAL -- RFC9146
+}
 
 KAF ::= OCTET STRING