diff --git a/src/ranap/Makefile.am b/src/ranap/Makefile.am
index 4dcc067..d3071e8 100644
--- a/src/ranap/Makefile.am
+++ b/src/ranap/Makefile.am
@@ -317,7 +317,9 @@
 	RANAP_SignallingIndication.c	\
 	RANAP_SDU-ErrorRatio.c	\
 	RANAP_SDU-FormatInformationParameters.c	\
+	RANAP_SDU-FormatInformationParameterItem.c	\
 	RANAP_SDU-Parameters.c	\
+	RANAP_SDU-ParameterItem.c	\
 	RANAP_SNA-Access-Information.c	\
 	RANAP_SNAC.c	\
 	RANAP_Service-Handover.c	\
@@ -896,7 +898,9 @@
 	RANAP_SignallingIndication.h	\
 	RANAP_SDU-ErrorRatio.h	\
 	RANAP_SDU-FormatInformationParameters.h	\
+	RANAP_SDU-FormatInformationParameterItem.h	\
 	RANAP_SDU-Parameters.h	\
+	RANAP_SDU-ParameterItem.h	\
 	RANAP_SNA-Access-Information.h	\
 	RANAP_SNAC.h	\
 	RANAP_Service-Handover.h	\
@@ -1178,7 +1182,6 @@
 	sed -i 's/Member/MemberF/' RANAP_JoinedMBMSBearerService-IEs.[ch]
 	sed -i 's/Member/MemberG/' RANAP_CriticalityDiagnostics-IE-List.[ch]
 	sed -i 's/Member/MemberH/' RANAP_DataVolumeList.[ch]
-	sed -i 's/Member/MemberI/' RANAP_SDU-Parameters.[ch]
 	sed -i 's/Member/MemberJ/' RANAP_EUTRANFrequencies.[ch]
 	sed -i 's/Member/MemberK/' RANAP_LeftMBMSBearerService-IEs.[ch]
 	sed -i 's/Member/MemberL/' RANAP_MessageStructure.[ch]
diff --git a/src/ranap/RANAP_SDU-FormatInformationParameterItem.c b/src/ranap/RANAP_SDU-FormatInformationParameterItem.c
new file mode 100644
index 0000000..49a0e6b
--- /dev/null
+++ b/src/ranap/RANAP_SDU-FormatInformationParameterItem.c
@@ -0,0 +1,83 @@
+/*
+ * Generated by asn1c-0.9.28 (http://lionet.info/asn1c)
+ * From ASN.1 module "RANAP-IEs"
+ * 	found in "../../asn1/ranap/RANAP-IEs.asn"
+ */
+
+#include "RANAP_SDU-FormatInformationParameterItem.h"
+
+static asn_TYPE_member_t asn_MBR_RANAP_SDU_FormatInformationParameterItem_1[] = {
+	{ ATF_POINTER, 3, offsetof(struct RANAP_SDU_FormatInformationParameterItem, subflowSDU_Size),
+		(ASN_TAG_CLASS_CONTEXT | (0 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_SubflowSDU_Size,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"subflowSDU-Size"
+		},
+	{ ATF_POINTER, 2, offsetof(struct RANAP_SDU_FormatInformationParameterItem, rAB_SubflowCombinationBitRate),
+		(ASN_TAG_CLASS_CONTEXT | (1 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_RAB_SubflowCombinationBitRate,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"rAB-SubflowCombinationBitRate"
+		},
+	{ ATF_POINTER, 1, offsetof(struct RANAP_SDU_FormatInformationParameterItem, iE_Extensions),
+		(ASN_TAG_CLASS_CONTEXT | (2 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_IE_Extensions,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"iE-Extensions"
+		},
+};
+static const int asn_MAP_RANAP_SDU_FormatInformationParameterItem_oms_1[] = { 0, 1, 2 };
+static const ber_tlv_tag_t asn_DEF_RANAP_SDU_FormatInformationParameterItem_tags_1[] = {
+	(ASN_TAG_CLASS_UNIVERSAL | (16 << 2))
+};
+static const asn_TYPE_tag2member_t asn_MAP_RANAP_SDU_FormatInformationParameterItem_tag2el_1[] = {
+    { (ASN_TAG_CLASS_CONTEXT | (0 << 2)), 0, 0, 0 }, /* subflowSDU-Size */
+    { (ASN_TAG_CLASS_CONTEXT | (1 << 2)), 1, 0, 0 }, /* rAB-SubflowCombinationBitRate */
+    { (ASN_TAG_CLASS_CONTEXT | (2 << 2)), 2, 0, 0 } /* iE-Extensions */
+};
+static asn_SEQUENCE_specifics_t asn_SPC_RANAP_SDU_FormatInformationParameterItem_specs_1 = {
+	sizeof(struct RANAP_SDU_FormatInformationParameterItem),
+	offsetof(struct RANAP_SDU_FormatInformationParameterItem, _asn_ctx),
+	asn_MAP_RANAP_SDU_FormatInformationParameterItem_tag2el_1,
+	3,	/* Count of tags in the map */
+	asn_MAP_RANAP_SDU_FormatInformationParameterItem_oms_1,	/* Optional members */
+	3, 0,	/* Root/Additions */
+	2,	/* Start extensions */
+	4	/* Stop extensions */
+};
+asn_TYPE_descriptor_t asn_DEF_RANAP_SDU_FormatInformationParameterItem = {
+	"RANAP_SDU-FormatInformationParameterItem",
+	"RANAP_SDU-FormatInformationParameterItem",
+	SEQUENCE_free,
+	SEQUENCE_print,
+	SEQUENCE_constraint,
+	SEQUENCE_decode_ber,
+	SEQUENCE_encode_der,
+	SEQUENCE_decode_xer,
+	SEQUENCE_encode_xer,
+	SEQUENCE_decode_uper,
+	SEQUENCE_encode_uper,
+	SEQUENCE_decode_aper,
+	SEQUENCE_encode_aper,
+	0,	/* Use generic outmost tag fetcher */
+	asn_DEF_RANAP_SDU_FormatInformationParameterItem_tags_1,
+	sizeof(asn_DEF_RANAP_SDU_FormatInformationParameterItem_tags_1)
+		/sizeof(asn_DEF_RANAP_SDU_FormatInformationParameterItem_tags_1[0]), /* 1 */
+	asn_DEF_RANAP_SDU_FormatInformationParameterItem_tags_1,	/* Same as above */
+	sizeof(asn_DEF_RANAP_SDU_FormatInformationParameterItem_tags_1)
+		/sizeof(asn_DEF_RANAP_SDU_FormatInformationParameterItem_tags_1[0]), /* 1 */
+	0,	/* No PER visible constraints */
+	asn_MBR_RANAP_SDU_FormatInformationParameterItem_1,
+	3,	/* Elements count */
+	&asn_SPC_RANAP_SDU_FormatInformationParameterItem_specs_1	/* Additional specs */
+};
+
diff --git a/src/ranap/RANAP_SDU-FormatInformationParameterItem.h b/src/ranap/RANAP_SDU-FormatInformationParameterItem.h
new file mode 100644
index 0000000..a7e3dc7
--- /dev/null
+++ b/src/ranap/RANAP_SDU-FormatInformationParameterItem.h
@@ -0,0 +1,45 @@
+/*
+ * Generated by asn1c-0.9.28 (http://lionet.info/asn1c)
+ * From ASN.1 module "RANAP-IEs"
+ * 	found in "../../asn1/ranap/RANAP-IEs.asn"
+ */
+
+#ifndef	_RANAP_SDU_FormatInformationParameterItem_H_
+#define	_RANAP_SDU_FormatInformationParameterItem_H_
+
+
+#include <asn_application.h>
+
+/* Including external dependencies */
+#include "RANAP_SubflowSDU-Size.h"
+#include "RANAP_RAB-SubflowCombinationBitRate.h"
+#include "RANAP_IE-Extensions.h"
+#include <constr_SEQUENCE.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* RANAP_SDU-FormatInformationParameterItem */
+typedef struct RANAP_SDU_FormatInformationParameterItem {
+	RANAP_SubflowSDU_Size_t	*subflowSDU_Size	/* OPTIONAL */;
+	RANAP_RAB_SubflowCombinationBitRate_t	*rAB_SubflowCombinationBitRate	/* OPTIONAL */;
+	RANAP_IE_Extensions_t	*iE_Extensions	/* OPTIONAL */;
+	/*
+	 * This type is extensible,
+	 * possible extensions are below.
+	 */
+	
+	/* Context for parsing across buffer boundaries */
+	asn_struct_ctx_t _asn_ctx;
+} RANAP_SDU_FormatInformationParameterItem_t;
+
+/* Implementation */
+extern asn_TYPE_descriptor_t asn_DEF_RANAP_SDU_FormatInformationParameterItem;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _RANAP_SDU_FormatInformationParameterItem_H_ */
+#include <asn_internal.h>
diff --git a/src/ranap/RANAP_SDU-FormatInformationParameters.c b/src/ranap/RANAP_SDU-FormatInformationParameters.c
index 61713f0..ae9f605 100644
--- a/src/ranap/RANAP_SDU-FormatInformationParameters.c
+++ b/src/ranap/RANAP_SDU-FormatInformationParameters.c
@@ -11,87 +11,11 @@
 	{ APC_CONSTRAINED,	 6,  6,  1l,  64l }	/* (SIZE(1..64)) */,
 	0, 0	/* No PER value map */
 };
-static asn_TYPE_member_t asn_MBR_MemberE_2[] = {
-	{ ATF_POINTER, 3, offsetof(struct MemberE, subflowSDU_Size),
-		(ASN_TAG_CLASS_CONTEXT | (0 << 2)),
-		-1,	/* IMPLICIT tag at current level */
-		&asn_DEF_RANAP_SubflowSDU_Size,
-		0,	/* Defer constraints checking to the member type */
-		0,	/* No PER visible constraints */
-		0,
-		"subflowSDU-Size"
-		},
-	{ ATF_POINTER, 2, offsetof(struct MemberE, rAB_SubflowCombinationBitRate),
-		(ASN_TAG_CLASS_CONTEXT | (1 << 2)),
-		-1,	/* IMPLICIT tag at current level */
-		&asn_DEF_RANAP_RAB_SubflowCombinationBitRate,
-		0,	/* Defer constraints checking to the member type */
-		0,	/* No PER visible constraints */
-		0,
-		"rAB-SubflowCombinationBitRate"
-		},
-	{ ATF_POINTER, 1, offsetof(struct MemberE, iE_Extensions),
-		(ASN_TAG_CLASS_CONTEXT | (2 << 2)),
-		-1,	/* IMPLICIT tag at current level */
-		&asn_DEF_RANAP_IE_Extensions,
-		0,	/* Defer constraints checking to the member type */
-		0,	/* No PER visible constraints */
-		0,
-		"iE-Extensions"
-		},
-};
-static const int asn_MAP_MemberE_oms_2[] = { 0, 1, 2 };
-static const ber_tlv_tag_t asn_DEF_MemberE_tags_2[] = {
-	(ASN_TAG_CLASS_UNIVERSAL | (16 << 2))
-};
-static const asn_TYPE_tag2member_t asn_MAP_MemberE_tag2el_2[] = {
-    { (ASN_TAG_CLASS_CONTEXT | (0 << 2)), 0, 0, 0 }, /* subflowSDU-Size */
-    { (ASN_TAG_CLASS_CONTEXT | (1 << 2)), 1, 0, 0 }, /* rAB-SubflowCombinationBitRate */
-    { (ASN_TAG_CLASS_CONTEXT | (2 << 2)), 2, 0, 0 } /* iE-Extensions */
-};
-static asn_SEQUENCE_specifics_t asn_SPC_MemberE_specs_2 = {
-	sizeof(struct MemberE),
-	offsetof(struct MemberE, _asn_ctx),
-	asn_MAP_MemberE_tag2el_2,
-	3,	/* Count of tags in the map */
-	asn_MAP_MemberE_oms_2,	/* Optional members */
-	3, 0,	/* Root/Additions */
-	2,	/* Start extensions */
-	4	/* Stop extensions */
-};
-static /* Use -fall-defs-global to expose */
-asn_TYPE_descriptor_t asn_DEF_MemberE_2 = {
-	"SEQUENCE",
-	"SEQUENCE",
-	SEQUENCE_free,
-	SEQUENCE_print,
-	SEQUENCE_constraint,
-	SEQUENCE_decode_ber,
-	SEQUENCE_encode_der,
-	SEQUENCE_decode_xer,
-	SEQUENCE_encode_xer,
-	SEQUENCE_decode_uper,
-	SEQUENCE_encode_uper,
-	SEQUENCE_decode_aper,
-	SEQUENCE_encode_aper,
-	0,	/* Use generic outmost tag fetcher */
-	asn_DEF_MemberE_tags_2,
-	sizeof(asn_DEF_MemberE_tags_2)
-		/sizeof(asn_DEF_MemberE_tags_2[0]), /* 1 */
-	asn_DEF_MemberE_tags_2,	/* Same as above */
-	sizeof(asn_DEF_MemberE_tags_2)
-		/sizeof(asn_DEF_MemberE_tags_2[0]), /* 1 */
-	0,	/* No PER visible constraints */
-	asn_MBR_MemberE_2,
-	3,	/* Elements count */
-	&asn_SPC_MemberE_specs_2	/* Additional specs */
-};
-
 static asn_TYPE_member_t asn_MBR_RANAP_SDU_FormatInformationParameters_1[] = {
 	{ ATF_POINTER, 0, 0,
-		(ASN_TAG_CLASS_UNIVERSAL | (16 << 2)),
+		-1 /* Ambiguous tag (CHOICE?) */,
 		0,
-		&asn_DEF_MemberE_2,
+		&asn_DEF_RANAP_SDU_FormatInformationParameterItem,
 		0,	/* Defer constraints checking to the member type */
 		0,	/* No PER visible constraints */
 		0,
diff --git a/src/ranap/RANAP_SDU-FormatInformationParameters.h b/src/ranap/RANAP_SDU-FormatInformationParameters.h
index e3bdd31..b1b0a27 100644
--- a/src/ranap/RANAP_SDU-FormatInformationParameters.h
+++ b/src/ranap/RANAP_SDU-FormatInformationParameters.h
@@ -11,11 +11,8 @@
 #include <asn_application.h>
 
 /* Including external dependencies */
+#include "RANAP_SDU-FormatInformationParameterItem.h"
 #include <asn_SEQUENCE_OF.h>
-#include "RANAP_SubflowSDU-Size.h"
-#include "RANAP_RAB-SubflowCombinationBitRate.h"
-#include "RANAP_IE-Extensions.h"
-#include <constr_SEQUENCE.h>
 #include <constr_SEQUENCE_OF.h>
 
 #ifdef __cplusplus
@@ -24,18 +21,7 @@
 
 /* RANAP_SDU-FormatInformationParameters */
 typedef struct RANAP_SDU_FormatInformationParameters {
-	A_SEQUENCE_OF(struct MemberE {
-		RANAP_SubflowSDU_Size_t	*subflowSDU_Size	/* OPTIONAL */;
-		RANAP_RAB_SubflowCombinationBitRate_t	*rAB_SubflowCombinationBitRate	/* OPTIONAL */;
-		RANAP_IE_Extensions_t	*iE_Extensions	/* OPTIONAL */;
-		/*
-		 * This type is extensible,
-		 * possible extensions are below.
-		 */
-		
-		/* Context for parsing across buffer boundaries */
-		asn_struct_ctx_t _asn_ctx;
-	} ) list;
+	A_SEQUENCE_OF(RANAP_SDU_FormatInformationParameterItem_t) list;
 	
 	/* Context for parsing across buffer boundaries */
 	asn_struct_ctx_t _asn_ctx;
diff --git a/src/ranap/RANAP_SDU-ParameterItem.c b/src/ranap/RANAP_SDU-ParameterItem.c
new file mode 100644
index 0000000..8dda924
--- /dev/null
+++ b/src/ranap/RANAP_SDU-ParameterItem.c
@@ -0,0 +1,103 @@
+/*
+ * Generated by asn1c-0.9.28 (http://lionet.info/asn1c)
+ * From ASN.1 module "RANAP-IEs"
+ * 	found in "../../asn1/ranap/RANAP-IEs.asn"
+ */
+
+#include "RANAP_SDU-ParameterItem.h"
+
+static asn_TYPE_member_t asn_MBR_RANAP_SDU_ParameterItem_1[] = {
+	{ ATF_POINTER, 1, offsetof(struct RANAP_SDU_ParameterItem, sDU_ErrorRatio),
+		(ASN_TAG_CLASS_CONTEXT | (0 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_SDU_ErrorRatio,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"sDU-ErrorRatio"
+		},
+	{ ATF_NOFLAGS, 0, offsetof(struct RANAP_SDU_ParameterItem, residualBitErrorRatio),
+		(ASN_TAG_CLASS_CONTEXT | (1 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_ResidualBitErrorRatio,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"residualBitErrorRatio"
+		},
+	{ ATF_NOFLAGS, 0, offsetof(struct RANAP_SDU_ParameterItem, deliveryOfErroneousSDU),
+		(ASN_TAG_CLASS_CONTEXT | (2 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_DeliveryOfErroneousSDU,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"deliveryOfErroneousSDU"
+		},
+	{ ATF_POINTER, 2, offsetof(struct RANAP_SDU_ParameterItem, sDU_FormatInformationParameters),
+		(ASN_TAG_CLASS_CONTEXT | (3 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_SDU_FormatInformationParameters,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"sDU-FormatInformationParameters"
+		},
+	{ ATF_POINTER, 1, offsetof(struct RANAP_SDU_ParameterItem, iE_Extensions),
+		(ASN_TAG_CLASS_CONTEXT | (4 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_IE_Extensions,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"iE-Extensions"
+		},
+};
+static const int asn_MAP_RANAP_SDU_ParameterItem_oms_1[] = { 0, 3, 4 };
+static const ber_tlv_tag_t asn_DEF_RANAP_SDU_ParameterItem_tags_1[] = {
+	(ASN_TAG_CLASS_UNIVERSAL | (16 << 2))
+};
+static const asn_TYPE_tag2member_t asn_MAP_RANAP_SDU_ParameterItem_tag2el_1[] = {
+    { (ASN_TAG_CLASS_CONTEXT | (0 << 2)), 0, 0, 0 }, /* sDU-ErrorRatio */
+    { (ASN_TAG_CLASS_CONTEXT | (1 << 2)), 1, 0, 0 }, /* residualBitErrorRatio */
+    { (ASN_TAG_CLASS_CONTEXT | (2 << 2)), 2, 0, 0 }, /* deliveryOfErroneousSDU */
+    { (ASN_TAG_CLASS_CONTEXT | (3 << 2)), 3, 0, 0 }, /* sDU-FormatInformationParameters */
+    { (ASN_TAG_CLASS_CONTEXT | (4 << 2)), 4, 0, 0 } /* iE-Extensions */
+};
+static asn_SEQUENCE_specifics_t asn_SPC_RANAP_SDU_ParameterItem_specs_1 = {
+	sizeof(struct RANAP_SDU_ParameterItem),
+	offsetof(struct RANAP_SDU_ParameterItem, _asn_ctx),
+	asn_MAP_RANAP_SDU_ParameterItem_tag2el_1,
+	5,	/* Count of tags in the map */
+	asn_MAP_RANAP_SDU_ParameterItem_oms_1,	/* Optional members */
+	3, 0,	/* Root/Additions */
+	4,	/* Start extensions */
+	6	/* Stop extensions */
+};
+asn_TYPE_descriptor_t asn_DEF_RANAP_SDU_ParameterItem = {
+	"RANAP_SDU-ParameterItem",
+	"RANAP_SDU-ParameterItem",
+	SEQUENCE_free,
+	SEQUENCE_print,
+	SEQUENCE_constraint,
+	SEQUENCE_decode_ber,
+	SEQUENCE_encode_der,
+	SEQUENCE_decode_xer,
+	SEQUENCE_encode_xer,
+	SEQUENCE_decode_uper,
+	SEQUENCE_encode_uper,
+	SEQUENCE_decode_aper,
+	SEQUENCE_encode_aper,
+	0,	/* Use generic outmost tag fetcher */
+	asn_DEF_RANAP_SDU_ParameterItem_tags_1,
+	sizeof(asn_DEF_RANAP_SDU_ParameterItem_tags_1)
+		/sizeof(asn_DEF_RANAP_SDU_ParameterItem_tags_1[0]), /* 1 */
+	asn_DEF_RANAP_SDU_ParameterItem_tags_1,	/* Same as above */
+	sizeof(asn_DEF_RANAP_SDU_ParameterItem_tags_1)
+		/sizeof(asn_DEF_RANAP_SDU_ParameterItem_tags_1[0]), /* 1 */
+	0,	/* No PER visible constraints */
+	asn_MBR_RANAP_SDU_ParameterItem_1,
+	5,	/* Elements count */
+	&asn_SPC_RANAP_SDU_ParameterItem_specs_1	/* Additional specs */
+};
+
diff --git a/src/ranap/RANAP_SDU-ParameterItem.h b/src/ranap/RANAP_SDU-ParameterItem.h
new file mode 100644
index 0000000..e3f69ee
--- /dev/null
+++ b/src/ranap/RANAP_SDU-ParameterItem.h
@@ -0,0 +1,49 @@
+/*
+ * Generated by asn1c-0.9.28 (http://lionet.info/asn1c)
+ * From ASN.1 module "RANAP-IEs"
+ * 	found in "../../asn1/ranap/RANAP-IEs.asn"
+ */
+
+#ifndef	_RANAP_SDU_ParameterItem_H_
+#define	_RANAP_SDU_ParameterItem_H_
+
+
+#include <asn_application.h>
+
+/* Including external dependencies */
+#include "RANAP_SDU-ErrorRatio.h"
+#include "RANAP_ResidualBitErrorRatio.h"
+#include "RANAP_DeliveryOfErroneousSDU.h"
+#include "RANAP_SDU-FormatInformationParameters.h"
+#include "RANAP_IE-Extensions.h"
+#include <constr_SEQUENCE.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* RANAP_SDU-ParameterItem */
+typedef struct RANAP_SDU_ParameterItem {
+	RANAP_SDU_ErrorRatio_t	*sDU_ErrorRatio	/* OPTIONAL */;
+	RANAP_ResidualBitErrorRatio_t	 residualBitErrorRatio;
+	RANAP_DeliveryOfErroneousSDU_t	 deliveryOfErroneousSDU;
+	RANAP_SDU_FormatInformationParameters_t	*sDU_FormatInformationParameters	/* OPTIONAL */;
+	RANAP_IE_Extensions_t	*iE_Extensions	/* OPTIONAL */;
+	/*
+	 * This type is extensible,
+	 * possible extensions are below.
+	 */
+	
+	/* Context for parsing across buffer boundaries */
+	asn_struct_ctx_t _asn_ctx;
+} RANAP_SDU_ParameterItem_t;
+
+/* Implementation */
+extern asn_TYPE_descriptor_t asn_DEF_RANAP_SDU_ParameterItem;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _RANAP_SDU_ParameterItem_H_ */
+#include <asn_internal.h>
diff --git a/src/ranap/RANAP_SDU-Parameters.c b/src/ranap/RANAP_SDU-Parameters.c
index 1808c88..aad53f8 100644
--- a/src/ranap/RANAP_SDU-Parameters.c
+++ b/src/ranap/RANAP_SDU-Parameters.c
@@ -11,107 +11,11 @@
 	{ APC_CONSTRAINED,	 3,  3,  1l,  7l }	/* (SIZE(1..7)) */,
 	0, 0	/* No PER value map */
 };
-static asn_TYPE_member_t asn_MBR_MemberI_2[] = {
-	{ ATF_POINTER, 1, offsetof(struct MemberI, sDU_ErrorRatio),
-		(ASN_TAG_CLASS_CONTEXT | (0 << 2)),
-		-1,	/* IMPLICIT tag at current level */
-		&asn_DEF_RANAP_SDU_ErrorRatio,
-		0,	/* Defer constraints checking to the member type */
-		0,	/* No PER visible constraints */
-		0,
-		"sDU-ErrorRatio"
-		},
-	{ ATF_NOFLAGS, 0, offsetof(struct MemberI, residualBitErrorRatio),
-		(ASN_TAG_CLASS_CONTEXT | (1 << 2)),
-		-1,	/* IMPLICIT tag at current level */
-		&asn_DEF_RANAP_ResidualBitErrorRatio,
-		0,	/* Defer constraints checking to the member type */
-		0,	/* No PER visible constraints */
-		0,
-		"residualBitErrorRatio"
-		},
-	{ ATF_NOFLAGS, 0, offsetof(struct MemberI, deliveryOfErroneousSDU),
-		(ASN_TAG_CLASS_CONTEXT | (2 << 2)),
-		-1,	/* IMPLICIT tag at current level */
-		&asn_DEF_RANAP_DeliveryOfErroneousSDU,
-		0,	/* Defer constraints checking to the member type */
-		0,	/* No PER visible constraints */
-		0,
-		"deliveryOfErroneousSDU"
-		},
-	{ ATF_POINTER, 2, offsetof(struct MemberI, sDU_FormatInformationParameters),
-		(ASN_TAG_CLASS_CONTEXT | (3 << 2)),
-		-1,	/* IMPLICIT tag at current level */
-		&asn_DEF_RANAP_SDU_FormatInformationParameters,
-		0,	/* Defer constraints checking to the member type */
-		0,	/* No PER visible constraints */
-		0,
-		"sDU-FormatInformationParameters"
-		},
-	{ ATF_POINTER, 1, offsetof(struct MemberI, iE_Extensions),
-		(ASN_TAG_CLASS_CONTEXT | (4 << 2)),
-		-1,	/* IMPLICIT tag at current level */
-		&asn_DEF_RANAP_IE_Extensions,
-		0,	/* Defer constraints checking to the member type */
-		0,	/* No PER visible constraints */
-		0,
-		"iE-Extensions"
-		},
-};
-static const int asn_MAP_MemberI_oms_2[] = { 0, 3, 4 };
-static const ber_tlv_tag_t asn_DEF_MemberI_tags_2[] = {
-	(ASN_TAG_CLASS_UNIVERSAL | (16 << 2))
-};
-static const asn_TYPE_tag2member_t asn_MAP_MemberI_tag2el_2[] = {
-    { (ASN_TAG_CLASS_CONTEXT | (0 << 2)), 0, 0, 0 }, /* sDU-ErrorRatio */
-    { (ASN_TAG_CLASS_CONTEXT | (1 << 2)), 1, 0, 0 }, /* residualBitErrorRatio */
-    { (ASN_TAG_CLASS_CONTEXT | (2 << 2)), 2, 0, 0 }, /* deliveryOfErroneousSDU */
-    { (ASN_TAG_CLASS_CONTEXT | (3 << 2)), 3, 0, 0 }, /* sDU-FormatInformationParameters */
-    { (ASN_TAG_CLASS_CONTEXT | (4 << 2)), 4, 0, 0 } /* iE-Extensions */
-};
-static asn_SEQUENCE_specifics_t asn_SPC_MemberI_specs_2 = {
-	sizeof(struct MemberI),
-	offsetof(struct MemberI, _asn_ctx),
-	asn_MAP_MemberI_tag2el_2,
-	5,	/* Count of tags in the map */
-	asn_MAP_MemberI_oms_2,	/* Optional members */
-	3, 0,	/* Root/Additions */
-	4,	/* Start extensions */
-	6	/* Stop extensions */
-};
-static /* Use -fall-defs-global to expose */
-asn_TYPE_descriptor_t asn_DEF_MemberI_2 = {
-	"SEQUENCE",
-	"SEQUENCE",
-	SEQUENCE_free,
-	SEQUENCE_print,
-	SEQUENCE_constraint,
-	SEQUENCE_decode_ber,
-	SEQUENCE_encode_der,
-	SEQUENCE_decode_xer,
-	SEQUENCE_encode_xer,
-	SEQUENCE_decode_uper,
-	SEQUENCE_encode_uper,
-	SEQUENCE_decode_aper,
-	SEQUENCE_encode_aper,
-	0,	/* Use generic outmost tag fetcher */
-	asn_DEF_MemberI_tags_2,
-	sizeof(asn_DEF_MemberI_tags_2)
-		/sizeof(asn_DEF_MemberI_tags_2[0]), /* 1 */
-	asn_DEF_MemberI_tags_2,	/* Same as above */
-	sizeof(asn_DEF_MemberI_tags_2)
-		/sizeof(asn_DEF_MemberI_tags_2[0]), /* 1 */
-	0,	/* No PER visible constraints */
-	asn_MBR_MemberI_2,
-	5,	/* Elements count */
-	&asn_SPC_MemberI_specs_2	/* Additional specs */
-};
-
 static asn_TYPE_member_t asn_MBR_RANAP_SDU_Parameters_1[] = {
 	{ ATF_POINTER, 0, 0,
-		(ASN_TAG_CLASS_UNIVERSAL | (16 << 2)),
+		-1 /* Ambiguous tag (CHOICE?) */,
 		0,
-		&asn_DEF_MemberI_2,
+		&asn_DEF_RANAP_SDU_ParameterItem,
 		0,	/* Defer constraints checking to the member type */
 		0,	/* No PER visible constraints */
 		0,
diff --git a/src/ranap/RANAP_SDU-Parameters.h b/src/ranap/RANAP_SDU-Parameters.h
index 818cb2e..5b3f765 100644
--- a/src/ranap/RANAP_SDU-Parameters.h
+++ b/src/ranap/RANAP_SDU-Parameters.h
@@ -11,13 +11,8 @@
 #include <asn_application.h>
 
 /* Including external dependencies */
+#include "RANAP_SDU-ParameterItem.h"
 #include <asn_SEQUENCE_OF.h>
-#include "RANAP_SDU-ErrorRatio.h"
-#include "RANAP_ResidualBitErrorRatio.h"
-#include "RANAP_DeliveryOfErroneousSDU.h"
-#include "RANAP_SDU-FormatInformationParameters.h"
-#include "RANAP_IE-Extensions.h"
-#include <constr_SEQUENCE.h>
 #include <constr_SEQUENCE_OF.h>
 
 #ifdef __cplusplus
@@ -26,20 +21,7 @@
 
 /* RANAP_SDU-Parameters */
 typedef struct RANAP_SDU_Parameters {
-	A_SEQUENCE_OF(struct MemberI {
-		RANAP_SDU_ErrorRatio_t	*sDU_ErrorRatio	/* OPTIONAL */;
-		RANAP_ResidualBitErrorRatio_t	 residualBitErrorRatio;
-		RANAP_DeliveryOfErroneousSDU_t	 deliveryOfErroneousSDU;
-		RANAP_SDU_FormatInformationParameters_t	*sDU_FormatInformationParameters	/* OPTIONAL */;
-		RANAP_IE_Extensions_t	*iE_Extensions	/* OPTIONAL */;
-		/*
-		 * This type is extensible,
-		 * possible extensions are below.
-		 */
-		
-		/* Context for parsing across buffer boundaries */
-		asn_struct_ctx_t _asn_ctx;
-	} ) list;
+	A_SEQUENCE_OF(RANAP_SDU_ParameterItem_t) list;
 	
 	/* Context for parsing across buffer boundaries */
 	asn_struct_ctx_t _asn_ctx;
diff --git a/src/ranap_common.h b/src/ranap_common.h
index 599d912..9c1945f 100644
--- a/src/ranap_common.h
+++ b/src/ranap_common.h
@@ -475,7 +475,9 @@
 #include "ranap/RANAP_SAPI.h"
 #include "ranap/RANAP_SDU-ErrorRatio.h"
 #include "ranap/RANAP_SDU-FormatInformationParameters.h"
+#include "ranap/RANAP_SDU-FormatInformationParameterItem.h"
 #include "ranap/RANAP_SDU-Parameters.h"
+#include "ranap/RANAP_SDU-ParameterItem.h"
 #include "ranap/RANAP_SNA-Access-Information.h"
 #include "ranap/RANAP_SNAC.h"
 #include "ranap/RANAP_SRB-ID.h"