diff --git a/102657/RDMessage.asn b/102657/RDMessage.asn
index ea717ef2e6ce2597ff23706154f64f6eb0996d64..f3d98ebaea2cc85514b8e80bbd2693710513d61a 100644
--- a/102657/RDMessage.asn
+++ b/102657/RDMessage.asn
@@ -1,4 +1,4 @@
-RDMessage {itu-t(0) identified-organization(4) etsi(0) securityDomain(2) retainedData(3) rdHeader(0) version25(25)}
+RDMessage {itu-t(0) identified-organization(4) etsi(0) securityDomain(2) retainedData(3) rdHeader(0) version26(26)}
 
 DEFINITIONS IMPLICIT TAGS ::=
 
@@ -12,7 +12,7 @@ BEGIN
 retainedDataDomainId OBJECT IDENTIFIER ::= {itu-t(0) identified-organization(4) etsi(0) securityDomain(2) retainedData(3)}
 
 -- rdHeader
-rdHeaderId OBJECT IDENTIFIER ::= {retainedDataDomainId rdHeader(0) version25(25)}
+rdHeaderId OBJECT IDENTIFIER ::= {retainedDataDomainId rdHeader(0) version26(26)}
 
 -- ======================================
 -- Top level definitions for RDHI wrapper
@@ -837,9 +837,11 @@ TelephonyServiceUsage ::= SEQUENCE
 	nationalTelephonyServiceUsage	[10] NationalTelephonyServiceUsage OPTIONAL,
 		-- To be defined on a national basis
 		-- Only to be used in case the present document cannot fulfil the national requirements
-	operatorSpecificCallDetails		[11] UTF8String OPTIONAL
+	operatorSpecificCallDetails		[11] UTF8String OPTIONAL,
 		-- CSP specific value which indicates the nature of a call
 		-- (e.g. "CallIndicator: GPR, CallActionCode: 2")
+	trunkGroupIDs					[12] TrunkGroupIDs OPTIONAL,
+	interOperatorIDs				[13] InterOperatorIDs OPTIONAL
 }
 
 NationalTelephonyServiceUsage ::= SEQUENCE
@@ -1157,6 +1159,26 @@ TelephonyPartyRole ::= ENUMERATED
 	mmsRecipientTrn(17)
 }
 
+TrunkGroupIDs ::= SEQUENCE
+{
+	incomingTrunkGroupID		[1] UTF8String OPTIONAL,
+		-- identifies the incoming PSTN leg. Format as defined by the CSP.
+	outgoingTrunkGroupID		[2] UTF8String OPTIONAL,
+		-- identifies the outgoing PSTN leg. Format as defined by the CSP.
+	...
+}
+
+InterOperatorIDs ::= SEQUENCE
+{
+	originatingInterOperatorID		[1] UTF8String OPTIONAL,
+		-- orig-ioi formated as defined in IETF RFC 7315 [55].
+	terminatingInterOperatorID		[2] UTF8String OPTIONAL,
+		-- term-ioi, formated as defined in IETF RFC 7315 [55].
+	transitInterOperatorIDList		[3] UTF8String OPTIONAL,
+		-- transit-ioi-list, formated as defined in IETF RFC 7315 [55].
+	...
+}
+
 -- =======================
 -- Device Data definitions
 -- =======================
@@ -1678,7 +1700,9 @@ MsgTransmission ::= SEQUENCE
 	...,
 	messageID				[10] MessageID OPTIONAL,
 	sourceServerName		[11] UTF8String OPTIONAL,
-	destinationServerName	[12] UTF8String OPTIONAL
+	destinationServerName	[12] UTF8String OPTIONAL,
+	clientPort				[13] PortNumber OPTIONAL,
+	serverPort				[14] PortNumber OPTIONAL
 }
 
 MsgStoreOperation ::= SEQUENCE
@@ -1700,7 +1724,11 @@ MsgStoreOperation ::= SEQUENCE
 		addMsg(5),
 			-- E.g. the APPEND command in IMAP
 		...,
-		editMsg(6)
+		editMsg(6),
+		sendMsg(7),
+			-- Only applicable to webmail solutions
+		forwardMsg(8)
+			-- Only applicable to webmail solutions
 	} OPTIONAL,
 	senderAddress	[5] MsgAddress OPTIONAL,
 		-- For Internet email, use the From address in the mail headers
@@ -1716,7 +1744,9 @@ MsgStoreOperation ::= SEQUENCE
 	clientID		[8] IPAddress OPTIONAL,
 	serverID		[9] IPAddress OPTIONAL,
 	...,
-	messageID		[10] MessageID OPTIONAL
+	messageID		[10] MessageID OPTIONAL,
+	clientPort		[11] PortNumber OPTIONAL,
+	serverPort		[12] PortNumber OPTIONAL
 }
 
 MessageID ::= UTF8String
@@ -1928,8 +1958,10 @@ MultimediaServiceUsage ::= SEQUENCE
 	relayIP						[20] IPAddress OPTIONAL,
 	vmLength					[21] INTEGER OPTIONAL, -- number of seconds
 	reason						[22] UTF8String OPTIONAL,
-	smsInformation					[23] SmsInformation OPTIONAL,
-	mmsInformation					[24] MmsInformation OPTIONAL
+	smsInformation				[23] SmsInformation OPTIONAL,
+	mmsInformation				[24] MmsInformation OPTIONAL,
+	trunkGroupIDs				[25] TrunkGroupIDs OPTIONAL,
+	interOperatorIDs			[26] InterOperatorIDs OPTIONAL
 }
 
 MultimediaPartyInformation ::= SEQUENCE
@@ -2403,9 +2435,13 @@ WifiInformation ::= SEQUENCE
 	accessPointAdditionalDescriptions	[8] SEQUENCE OF UTF8String OPTIONAL,
 			-- Informal description of location, category or type of access point,
 			-- or a name of the network to which the access point belongs.
-	accessPointAdditionalProviders		[9] SEQUENCE OF UTF8String OPTIONAL
+	accessPointAdditionalProviders		[9] SEQUENCE OF UTF8String OPTIONAL,
 			-- For WiFi, there may be other parties involved in hosting or owning the
 			-- Access Points, e.g. access point provider or partner providers
+	cSPDefinedName						[10] UTF8String OPTIONAL
+		-- CSP-defined label or name assigned to the access point.
+		-- The access points of a CSP within a venue or geographical location
+		-- typically share this name.
 }
 
 AuthenticationType ::= ENUMERATED
@@ -2787,6 +2823,17 @@ IPAddress ::= CHOICE
 	...
 }
 
+PortNumber ::= CHOICE
+{ 
+	tCPPort	[0] TCPPort,
+	uDPPort	[1] UDPPort,
+	...
+}
+
+TCPPort ::= INTEGER (1..65535)
+
+UDPPort ::= INTEGER (0..65535)
+
 NAAssignedAddress ::= SEQUENCE
 {
 	addressSetOrRangeOrMask		[1] IPAddressSetOrRangeOrMask OPTIONAL,
diff --git a/102657/RDMessage.xsd b/102657/RDMessage.xsd
index e74c0c29138a10a164309b81a1aafd1ad5ae741e..39e55512ac79b1e3e6ae8250d6f66738ab25ca8a 100644
--- a/102657/RDMessage.xsd
+++ b/102657/RDMessage.xsd
@@ -1,8 +1,8 @@
 <?xml version="1.0"?>
-<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://uri.etsi.org/02657/v1.27.1#/RetainedData" targetNamespace="http://uri.etsi.org/02657/v1.27.1#/RetainedData" elementFormDefault="qualified">
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns="http://uri.etsi.org/02657/v1.28.1#/RetainedData" targetNamespace="http://uri.etsi.org/02657/v1.28.1#/RetainedData" elementFormDefault="qualified">
 	<xsd:annotation>
 		<xsd:documentation xml:lang="en">
-            XSD translated from ASN.1 derived from outcome of TS 102 657 v1.27.1
+            XSD translated from ASN.1 derived from outcome of TS 102 657 v1.28.1
         </xsd:documentation>
 	</xsd:annotation>
 	<xsd:simpleType name="GeneralizedTime">
@@ -223,6 +223,21 @@
 			<xsd:any namespace="##other" processContents="lax"/>
 		</xsd:choice>
 	</xsd:complexType>
+	<xsd:complexType name="TrunkGroupIDs">
+		<xsd:sequence>
+			<xsd:element name="incomingTrunkGroupID" type="xsd:string" minOccurs="0"/>
+			<xsd:element name="outgoingTrunkGroupID" type="xsd:string" minOccurs="0"/>
+			<xsd:any namespace="##other" processContents="lax" minOccurs="0"/>
+		</xsd:sequence>
+	</xsd:complexType>
+	<xsd:complexType name="InterOperatorIDs">
+		<xsd:sequence>
+			<xsd:element name="originatingInterOperatorID" type="xsd:string" minOccurs="0"/>
+			<xsd:element name="terminatingInterOperatorID" type="xsd:string" minOccurs="0"/>
+			<xsd:element name="transitInterOperatorIDList" type="xsd:string" minOccurs="0"/>
+			<xsd:any namespace="##other" processContents="lax" minOccurs="0"/>
+		</xsd:sequence>
+	</xsd:complexType>
 	<xsd:simpleType name="TelephonyDeviceID">
 		<xsd:restriction base="xsd:hexBinary"/>
 	</xsd:simpleType>
@@ -349,6 +364,24 @@
 			<xsd:any namespace="##other" processContents="lax"/>
 		</xsd:choice>
 	</xsd:complexType>
+	<xsd:complexType name="PortNumber"> 
+		<xsd:choice> 
+			<xsd:element name="TCPPort" type="TCPPort"/> 
+			<xsd:element name="UDPPort" type="UDPPort"/> 
+		</xsd:choice> 
+	</xsd:complexType> 
+	<xsd:simpleType name="TCPPort"> 
+		<xsd:restriction base="xsd:integer"> 
+			<xsd:minExclusive value="1"/> 
+			<xsd:maxInclusive value="65535"/> 
+		</xsd:restriction> 
+	</xsd:simpleType>
+	<xsd:simpleType name="UDPPort"> 
+		<xsd:restriction base="xsd:integer"> 
+		<xsd:minInclusive value="0"/> 
+		<xsd:maxInclusive value="65535"/> 
+		</xsd:restriction> 
+	</xsd:simpleType> 
 	<xsd:complexType name="IPRange">
 		<xsd:sequence>
 			<xsd:element name="prefix" type="IPAddress"/>
@@ -1089,6 +1122,8 @@
 			<xsd:element name="mmsInformation" type="MmsInformation" minOccurs="0"/>
 			<xsd:element name="nationalTelephonyServiceUsage" type="NationalTelephonyServiceUsage" minOccurs="0"/>
 			<xsd:element name="operatorSpecificCallDetails" type="xsd:string" minOccurs="0"/>
+			<xsd:element name="trunkGroupIDs" type="TrunkGroupIDs" minOccurs="0"/>
+			<xsd:element name="interOperatorIDs" type="InterOperatorIDs" minOccurs="0"/>
 			<xsd:any namespace="##other" processContents="lax" minOccurs="0"/>
 		</xsd:sequence>
 	</xsd:complexType>
@@ -1755,6 +1790,8 @@
 			<xsd:element name="messageID" type="MessageID" minOccurs="0"/>
 			<xsd:element name="sourceServerName" type="xsd:string" minOccurs="0"/>
 			<xsd:element name="destinationServerName" type="xsd:string" minOccurs="0"/>
+			<xsd:element name="clientPort" type="PortNumber" minOccurs="0"/>
+			<xsd:element name="serverPort" type="PortNumber" minOccurs="0"/>
 			<xsd:any namespace="##other" processContents="lax" minOccurs="0"/>
 		</xsd:sequence>
 	</xsd:complexType>
@@ -1773,6 +1810,8 @@
 						<xsd:element name="deleteMsg" type="NULL"/>
 						<xsd:element name="addMsg" type="NULL"/>
 						<xsd:element name="editMsg" type="NULL"/>
+						<xsd:element name="sendMsg" type="NULL"/>
+						<xsd:element name="forwardMsg" type="NULL"/>
 					</xsd:choice>
 				</xsd:complexType>
 			</xsd:element>
@@ -1796,6 +1835,8 @@
 			<xsd:element name="clientID" type="IPAddress" minOccurs="0"/>
 			<xsd:element name="serverID" type="IPAddress" minOccurs="0"/>
 			<xsd:element name="messageID" type="MessageID" minOccurs="0"/>
+			<xsd:element name="clientPort" type="PortNumber" minOccurs="0"/>
+			<xsd:element name="serverPort" type="PortNumber" minOccurs="0"/>
 			<xsd:any namespace="##other" processContents="lax" minOccurs="0"/>
 		</xsd:sequence>
 	</xsd:complexType>
@@ -2157,6 +2198,7 @@
 			<xsd:element name="accessPointIPAddress" type="IPAddress" minOccurs="0"/>
 			<xsd:element name="accessPointAdditionalDescriptions" type="xsd:string" minOccurs="0"/>
 			<xsd:element name="accessPointAdditionalProviders" type="xsd:string" minOccurs="0"/>
+			<xsd:element name="cSPDefinedName" type="xsd:string" minOccurs="0"/>
 			<xsd:any namespace="##other" processContents="lax" minOccurs="0"/>
 		</xsd:sequence>
 	</xsd:complexType>
@@ -2868,6 +2910,8 @@
 			<xsd:element name="reason" type="xsd:string" minOccurs="0"/>
 			<xsd:element name="smsInformation" type="SmsInformation" minOccurs="0"/>
 			<xsd:element name="mmsInformation" type="MmsInformation" minOccurs="0"/>
+			<xsd:element name="trunkGroupIDs" type="TrunkGroupIDs" minOccurs="0"/>
+			<xsd:element name="interOperatorIDs" type="InterOperatorIDs" minOccurs="0"/>
 			<xsd:any namespace="##other" processContents="lax" minOccurs="0"/>
 		</xsd:sequence>
 	</xsd:complexType>