diff --git a/src/isi-nameservice.c b/src/isi-nameservice.c
index d0b9ec1..c317188 100644
--- a/src/isi-nameservice.c
+++ b/src/isi-nameservice.c
@@ -39,10 +39,25 @@ static const value_string isi_nameservice_id[] = {
 	{0x00, NULL}
 };
 
+static const value_string isi_nameservice_reason[] = {
+	{0x00, "PN_NAME_OK"},
+	{0x01, "PN_NAME_NOT_ALLOWED"},
+	{0x02, "PN_NAME_NO_ROOM"},
+	{0x03, "PN_NAME_UNKNOWN"},
+};
+
 static dissector_handle_t isi_nameservice_handle;
 static void dissect_isi_nameservice(tvbuff_t *tvb, packet_info *pinfo, proto_item *tree);
 
 static guint32 hf_isi_nameservice_cmd = -1;
+static guint32 hf_isi_nameservice_name = -1;
+static guint32 hf_isi_nameservice_dev = -1;
+static guint32 hf_isi_nameservice_obj = -1;
+static guint32 hf_isi_nameservice_flags = -1;
+static guint32 hf_isi_nameservice_reason = -1;
+static guint32 hf_isi_nameservice_bitmask = -1;
+static guint32 hf_isi_nameservice_matches_total = -1;
+static guint32 hf_isi_nameservice_matches = -1;
 
 
 void proto_reg_handoff_isi_nameservice(void) {
@@ -57,13 +72,41 @@ void proto_reg_handoff_isi_nameservice(void) {
 void proto_register_isi_nameservice(void) {
 	static hf_register_info hf[] = {
 		{ &hf_isi_nameservice_cmd,
-			{ "Command", "isi.nameservice.cmd", FT_UINT8, BASE_HEX, isi_nameservice_id, 0x0, "Command", HFILL }}
+			{ "Command", "isi.nameservice.cmd", FT_UINT8, BASE_HEX, isi_nameservice_id, 0x0, "Command", HFILL }},
+		{ &hf_isi_nameservice_name,
+			{ "Name", "isi.nameservice.name", FT_UINT32, BASE_HEX, NULL, 0x0, "Name", HFILL }},
+		{ &hf_isi_nameservice_dev,
+			{ "Dev", "isi.nameservice.dev", FT_UINT8, BASE_HEX, NULL, 0x0, "Dev", HFILL }},
+		{ &hf_isi_nameservice_obj,
+			{ "Object", "isi.nameservice.obj", FT_UINT8, BASE_HEX, NULL, 0x0, "Object", HFILL }},
+		{ &hf_isi_nameservice_flags,
+			{ "Flags", "isi.nameservice.flags", FT_UINT8, BASE_HEX, NULL, 0x0, "Flags", HFILL }},
+		{ &hf_isi_nameservice_reason,
+			{ "Reason", "isi.nameservice.reason", FT_UINT8, BASE_HEX, isi_nameservice_reason, 0x0, "Reason", HFILL }},
+		{ &hf_isi_nameservice_bitmask,
+			{ "Bitmask", "isi.nameservice.bitmask", FT_UINT32, BASE_HEX, NULL, 0x0, "Bitmask", HFILL }},
+		{ &hf_isi_nameservice_matches_total,
+			{ "Total Matches", "isi.nameservice.total_matches", FT_UINT16, BASE_DEC, NULL, 0x0, "Matches", HFILL }},
+		{ &hf_isi_nameservice_matches,
+			{ "Matches in Message", "isi.nameservice.matches_in_message", FT_UINT16, BASE_DEC, NULL, 0x0, "Matches", HFILL }}
 	};
 
 	proto_register_field_array(proto_isi, hf, array_length(hf));
 	register_dissector("isi.nameservice", dissect_isi_nameservice, proto_isi);
 }
 
+static void dissect_isi_nameservice_name(guint32 count, guint32 offset, tvbuff_t *tvb, packet_info *pinfo, proto_item *tree) {
+	guint32 nr;
+	for(nr = 0; nr < count; nr++, count--) {
+		proto_item *subitem = proto_tree_add_text(tree, tvb, offset, 0x08, "Entry %d", nr + 1);
+		proto_tree *subtree = proto_item_add_subtree(subitem, ett_isi_msg);
+		proto_tree_add_item(subtree, hf_isi_nameservice_name, tvb, 3, 4, FALSE);
+		proto_tree_add_item(subtree, hf_isi_nameservice_dev, tvb, 8, 1, FALSE);
+		proto_tree_add_item(subtree, hf_isi_nameservice_obj, tvb, 9, 1, FALSE);
+		proto_tree_add_item(subtree, hf_isi_nameservice_flags, tvb, 10, 1, FALSE);
+	}
+}
+
 
 static void dissect_isi_nameservice(tvbuff_t *tvb, packet_info *pinfo, proto_item *isitree) {
 	proto_item *item = NULL;
@@ -78,8 +121,44 @@ static void dissect_isi_nameservice(tvbuff_t *tvb, packet_info *pinfo, proto_ite
 		cmd = tvb_get_guint8(tvb, 0);
 
 		switch (cmd) {
+			case 0x01: /* PNS_NAME_QUERY_REQ */
+				col_set_str(pinfo->cinfo, COL_INFO, "Nameservice Query Request");
+				proto_tree_add_item(tree, hf_isi_nameservice_name, tvb, 3, 4, FALSE);
+				proto_tree_add_item(tree, hf_isi_nameservice_bitmask, tvb, 8, 4, FALSE);
+				break;
+			case 0x02: /* PNS_NAME_QUERY_RESP */
+				col_set_str(pinfo->cinfo, COL_INFO, "Nameservice Query Response");
+				proto_tree_add_item(tree, hf_isi_nameservice_matches_total, tvb, 1, 2, FALSE);
+				proto_tree_add_item(tree, hf_isi_nameservice_matches, tvb, 3, 2, FALSE);
+				dissect_isi_nameservice_name(hf_isi_nameservice_matches, 5, tvb, pinfo, tree);
+				break;
+			case 0x03: /* PNS_NAME_ADD_IND */
+				col_set_str(pinfo->cinfo, COL_INFO, "Nameservice Add Indication");
+				proto_tree_add_item(tree, hf_isi_nameservice_matches_total, tvb, 1, 2, FALSE);
+				proto_tree_add_item(tree, hf_isi_nameservice_matches, tvb, 3, 2, FALSE);
+				dissect_isi_nameservice_name(hf_isi_nameservice_matches, 5, tvb, pinfo, tree);
+				break;
+			case 0x04: /* PNS_NAME_REMOVE_IND */
+				col_set_str(pinfo->cinfo, COL_INFO, "Nameservice Remove Indication");
+				proto_tree_add_item(tree, hf_isi_nameservice_matches_total, tvb, 1, 2, FALSE);
+				proto_tree_add_item(tree, hf_isi_nameservice_matches, tvb, 3, 2, FALSE);
+				dissect_isi_nameservice_name(hf_isi_nameservice_matches, 5, tvb, pinfo, tree);
+				break;
 			case 0x05: /* PNS_NAME_ADD_REQ */
-				col_set_str(pinfo->cinfo, COL_INFO, "Nameservice Add ");
+				col_set_str(pinfo->cinfo, COL_INFO, "Nameservice Add Request");
+                                dissect_isi_nameservice_name(1, 5, tvb, pinfo, tree);
+				break;
+			case 0x06: /* PNS_NAME_ADD_RESPONSE */
+				col_set_str(pinfo->cinfo, COL_INFO, "Nameservice Add Response");
+				proto_tree_add_item(tree, hf_isi_nameservice_reason, tvb, 1, 1, FALSE);
+				break;
+			case 0x07: /* PNS_NAME_REMOVE_REQ */
+				col_set_str(pinfo->cinfo, COL_INFO, "Nameservice Remove Request");
+				proto_tree_add_item(tree, hf_isi_nameservice_name, tvb, 3, 4, FALSE);
+				break;
+			case 0x08: /* PNS_NAME_REMOVE_RESP */
+				col_set_str(pinfo->cinfo, COL_INFO, "Nameservice Remove Response");
+				proto_tree_add_item(tree, hf_isi_nameservice_reason, tvb, 1, 1, FALSE);
 				break;
 
 			case 0xF0: /* COMMON_MESSAGE */
diff --git a/src/packet-isi.c b/src/packet-isi.c
index 2c17087..5638185 100644
--- a/src/packet-isi.c
+++ b/src/packet-isi.c
@@ -327,6 +327,7 @@ static guint32 hf_isi_version_minor = -1;
 static guint32 ett_isi = -1;
 guint32 ett_isi_msg = -1;
 guint32 ett_isi_network_gsm_band_info = -1;
+guint32 ett_isi_nameservice_entry = -1;
 
 #ifdef ISI_USB
 /* Experimental approach based upon the one used for PPP*/
@@ -416,7 +417,8 @@ void proto_register_isi(void) {
 	static gint *ett[] = {
 		&ett_isi,
 		&ett_isi_msg,
-		&ett_isi_network_gsm_band_info
+		&ett_isi_network_gsm_band_info,
+		&ett_isi_nameservice_entry,
 	};
 
 	proto_isi = proto_register_protocol("Intelligent Service Interface", "ISI", "isi");