diff --git a/src/ranap/RANAP_IMEIGroup.c b/src/ranap/RANAP_IMEIGroup.c
new file mode 100644
index 0000000..7f21f94
--- /dev/null
+++ b/src/ranap/RANAP_IMEIGroup.c
@@ -0,0 +1,119 @@
+/*
+ * 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_IMEIGroup.h"
+
+static int
+memb_iMEIMask_constraint_1(asn_TYPE_descriptor_t *td, const void *sptr,
+			asn_app_constraint_failed_f *ctfailcb, void *app_key) {
+	const BIT_STRING_t *st = (const BIT_STRING_t *)sptr;
+	size_t size;
+	
+	if(!sptr) {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: value not given (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+	
+	if(st->size > 0) {
+		/* Size in bits */
+		size = 8 * st->size - (st->bits_unused & 0x07);
+	} else {
+		size = 0;
+	}
+	
+	if((size == 7l)) {
+		/* Constraint check succeeded */
+		return 0;
+	} else {
+		_ASN_CTFAIL(app_key, td, sptr,
+			"%s: constraint failed (%s:%d)",
+			td->name, __FILE__, __LINE__);
+		return -1;
+	}
+}
+
+static asn_per_constraints_t asn_PER_memb_iMEIMask_constr_3 GCC_NOTUSED = {
+	{ APC_UNCONSTRAINED,	-1, -1,  0,  0 },
+	{ APC_CONSTRAINED,	 0,  0,  7l,  7l }	/* (SIZE(7..7)) */,
+	0, 0	/* No PER value map */
+};
+static asn_TYPE_member_t asn_MBR_RANAP_IMEIGroup_1[] = {
+	{ ATF_NOFLAGS, 0, offsetof(struct RANAP_IMEIGroup, iMEI),
+		(ASN_TAG_CLASS_CONTEXT | (0 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_RANAP_IMEI,
+		0,	/* Defer constraints checking to the member type */
+		0,	/* No PER visible constraints */
+		0,
+		"iMEI"
+		},
+	{ ATF_NOFLAGS, 0, offsetof(struct RANAP_IMEIGroup, iMEIMask),
+		(ASN_TAG_CLASS_CONTEXT | (1 << 2)),
+		-1,	/* IMPLICIT tag at current level */
+		&asn_DEF_BIT_STRING,
+		memb_iMEIMask_constraint_1,
+		&asn_PER_memb_iMEIMask_constr_3,
+		0,
+		"iMEIMask"
+		},
+	{ ATF_POINTER, 1, offsetof(struct RANAP_IMEIGroup, 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_IMEIGroup_oms_1[] = { 2 };
+static const ber_tlv_tag_t asn_DEF_RANAP_IMEIGroup_tags_1[] = {
+	(ASN_TAG_CLASS_UNIVERSAL | (16 << 2))
+};
+static const asn_TYPE_tag2member_t asn_MAP_RANAP_IMEIGroup_tag2el_1[] = {
+    { (ASN_TAG_CLASS_CONTEXT | (0 << 2)), 0, 0, 0 }, /* iMEI */
+    { (ASN_TAG_CLASS_CONTEXT | (1 << 2)), 1, 0, 0 }, /* iMEIMask */
+    { (ASN_TAG_CLASS_CONTEXT | (2 << 2)), 2, 0, 0 } /* iE-Extensions */
+};
+static asn_SEQUENCE_specifics_t asn_SPC_RANAP_IMEIGroup_specs_1 = {
+	sizeof(struct RANAP_IMEIGroup),
+	offsetof(struct RANAP_IMEIGroup, _asn_ctx),
+	asn_MAP_RANAP_IMEIGroup_tag2el_1,
+	3,	/* Count of tags in the map */
+	asn_MAP_RANAP_IMEIGroup_oms_1,	/* Optional members */
+	1, 0,	/* Root/Additions */
+	-1,	/* Start extensions */
+	-1	/* Stop extensions */
+};
+asn_TYPE_descriptor_t asn_DEF_RANAP_IMEIGroup = {
+	"RANAP_IMEIGroup",
+	"RANAP_IMEIGroup",
+	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_IMEIGroup_tags_1,
+	sizeof(asn_DEF_RANAP_IMEIGroup_tags_1)
+		/sizeof(asn_DEF_RANAP_IMEIGroup_tags_1[0]), /* 1 */
+	asn_DEF_RANAP_IMEIGroup_tags_1,	/* Same as above */
+	sizeof(asn_DEF_RANAP_IMEIGroup_tags_1)
+		/sizeof(asn_DEF_RANAP_IMEIGroup_tags_1[0]), /* 1 */
+	0,	/* No PER visible constraints */
+	asn_MBR_RANAP_IMEIGroup_1,
+	3,	/* Elements count */
+	&asn_SPC_RANAP_IMEIGroup_specs_1	/* Additional specs */
+};
+