Add a first draft asn2eth generated H.450.x dissector

svn path=/trunk/; revision=13026

1 files changed, 859 insertions, 0 deletions

diff --git a/asn1/h450/packet-h450-template.c b/asn1/h450/packet-h450-template.c
new file mode 100644
index 0000000000..80924130fc
--- /dev/null
+++ b/asn1/h450/packet-h450-template.c
@@ -0,0 +1,859 @@
+/* packet-h450.c
+ * Routines for h450 packet dissection
+ * Copyright 2005, Anders Broman <anders.broman@ericsson.com>
+ *
+ * $Id$
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@ethereal.com>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * Credit to Tomas Kukosa for developing the Asn2eth compiler.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <glib.h>
+#include <epan/packet.h>
+#include <epan/conversation.h>
+
+#include <stdio.h>
+#include <string.h>
+
+#include "packet-h450.h"
+
+#include "packet-ber.h"
+#include "packet-per.h"
+#include "packet-h225.h"
+
+#define PNAME  "h450"
+#define PSNAME "h450"
+#define PFNAME "h450"
+/* H.450.2 Call Transfer constants */
+#define CallTransferIdentify        7
+#define CallTransferAbandon         8
+#define CallTransferInitiate        9
+#define CallTransferSetup           10
+#define CallTransferUpdate          13
+#define SubaddressTransfer          14
+#define CallTransferComplete        12
+#define CallTransferActive          11
+
+/* H.450.3 Call Diversion constants */
+#define ActivateDiversionQ          15
+#define DeactivateDiversionQ        16
+#define InterrogateDiversionQ       17
+#define CheckRestriction            18
+#define CallRerouting               19
+#define DivertingLegInformation1    20
+#define DivertingLegInformation2    21
+#define DivertingLegInformation3    22
+#define DivertingLegInformation4    100
+#define CfnrDivertedLegFailed       23
+
+/* H.450.4 Call Hold constants */
+#define HoldNotific                 101
+#define RetrieveNotific             102
+#define RemoteHold                  103
+#define RemoteRetrieve              104
+
+/* H.450.5 Call Park and Pickup constants */
+#define CpRequest                   106
+#define CpSetup                     107
+#define GroupIndicationOn           108
+#define GroupIndicationOff          109
+#define Pickrequ                    110
+#define Pickup                      111
+#define PickExe                     112
+#define CpNotify                    113
+#define CpickupNotify               114
+
+/* H.450.6 Call Waiting constants */
+#define CallWaiting                 105
+
+/* H.450.7 Message Waiting Indication constants */
+#define MWIActivate                 80
+#define MWIDeactivate               81
+#define MWIInterrogate              82 
+
+/* H.450.8 Name Identification constants */
+#define NIcallingName               0
+#define NIalertingName              1
+#define NIconnectedName             2
+#define NIbusyName                  3 
+
+/* H.450.9 Call Completion constants */
+#define CCBSRequest                 40
+#define CCNRRequest                 27
+#define CCCancel                    28
+#define CCExecPossible              29
+#define CCRingout                   31
+#define CCSuspend                   32
+#define CCResume                    33 
+
+/* H.450.10 Call Offer constants */
+#define CallOfferRequest            34
+#define RemoteUserAlerting          115
+#define CFBOverride                 49 
+
+/* H.450.11 Call Intrusion constants */
+#define CallIntrusionRequest        43
+#define CallIntrusionGetCIPL        44
+#define CallIntrusionIsolate        45
+#define CallIntrusionForcedRelease  46
+#define CallIntrusionWOBRequest     47
+#define CallIntrusionSilentMonitor  116
+#define CallIntrusionNotification   117
+
+/* TODO - define other H.450.x constants here */
+static dissector_handle_t h4501_handle=NULL;
+
+/* Initialize the protocol and registered fields */
+static int proto_h4501 = -1;
+
+static int hf_h4501 = -1;
+static int hf_h4501_constrained_invokeId = -1;
+static int hf_h4501_invokeId = -1;
+static int hf_h4501_localOpcode = -1;
+static int hf_h4501_globalCode = -1;
+static int hf_h4501_globalargument = -1;
+static int hf_h4501_opcode = -1;
+static int hf_h4501_ReturnResult_result = -1;
+static int hf_h4501_result = -1;
+static int hf_h4501_ReturnResult = -1;
+static int hf_h4501_localErrorCode = -1;
+static int hf_h4501_errorCode = -1;
+static int hf_h4501_parameter = -1;
+static int hf_h4501_ReturnError = -1;
+static int hf_h4501_GeneralProblem = -1;
+static int hf_h4501_InvokeProblem = -1;
+static int hf_h4501_ReturnResultProblem = -1;
+static int hf_h4501_ReturnErrorProblem = -1;
+static int hf_h4501_problem = -1;
+static int hf_h4501_Reject = -1;
+
+static int hf_h4502_CTIdentifyRes = -1;
+static int hf_h4502_DummyRes = -1;
+static int hf_h4502_DummyArg = -1;
+static int hf_h4502_CTInitiateArg = -1;
+static int hf_h4502_CTSetupArg = -1;
+static int hf_h4502_CTUpdateArg = -1;
+static int hf_h4502_SubaddressTransferArg = -1;
+static int hf_h4502_CTCompleteArg = -1;
+static int hf_h4502_CTActiveArg = -1;
+
+static int hf_h4501_Invoke = -1;
+static int hf_h4501_ROS = -1;
+
+#include "packet-h450-hf.c"
+
+/* Initialize the subtree pointers */
+static gint ett_h4501 = -1;
+static gint ett_h4501_opcode = -1;
+static gint ett_h4501_result = -1;
+static gint ett_h4501_errorCode = -1;
+
+static gint ett_h4501_problem = -1;
+static gint ett_h4501_Reject = -1;
+static gint ett_h4501_ReturnError = -1;
+static gint ett_h4501_ReturnResult = -1;
+static gint ett_h4501_Invoke = -1;
+static gint ett_h4501_ROS = -1;
+
+#include "packet-h450-ett.c"
+
+/* Global variables */
+static guint32 localOpcode;
+static guint32 localErrorCode;
+static char globalcode_oid_str[256];
+static gboolean is_globalcode;
+
+static const value_string localOpcode_vals[] = {
+   /* H.450.2 Call Transfer opcodes */
+   { CallTransferIdentify,    "callTransferIdentify"},
+   { CallTransferAbandon,     "callTransferAbandon"},
+   { CallTransferInitiate,    "callTransferInitiate"},
+   { CallTransferSetup,       "callTransferSetup"},
+   { CallTransferUpdate,      "callTransferUpdate"},
+   { SubaddressTransfer,      "subaddressTransfer"},
+   { CallTransferComplete,    "callTransferComplete"},
+   { CallTransferActive,      "callTransferActive"},
+
+   /* H.450.3 Call Diversion opcodes */
+   { ActivateDiversionQ,      "activateDiversionQ"},
+   { DeactivateDiversionQ,    "deactivateDiversionQ"},
+   { InterrogateDiversionQ,   "interrogateDiversionQ"},
+   { CheckRestriction,        "checkRestriction"},
+   { CallRerouting,           "callRerouting"},
+   { DivertingLegInformation1,"divertingLegInformation1"},
+   { DivertingLegInformation2,"divertingLegInformation2"},
+   { DivertingLegInformation3,"divertingLegInformation3"},
+   { DivertingLegInformation4,"divertingLegInformation4"},
+   { CfnrDivertedLegFailed,   "cfnrDivertedLegFailed"},
+
+   /* H.450.4 Call Hold opcodes */
+   { HoldNotific,             "holdNotific"},
+   { RetrieveNotific,         "retrieveNotific"},
+   { RemoteHold,              "remoteHold"},
+   { RemoteRetrieve,          "remoteRetrieve"},
+
+   /* H.450.5 Call Park and Pickup opcodes */
+   { CpRequest,               "cpRequest"},
+   { CpSetup,                 "cpSetup"},
+   { GroupIndicationOn,       "groupIndicationOn"},
+   { GroupIndicationOff,      "groupIndicationOff"},
+   { Pickrequ,                "pickrequ"},
+   { Pickup,                  "pickup"},
+   { PickExe,                 "pickExe"},
+   { CpNotify,                "cpNotify"},
+   { CpickupNotify,           "cpickupNotify"},
+
+   /* H.450.6 Call Waiting opcodes */
+   { CallWaiting,             "callWaiting"},
+
+   /* H.450.7 Message Waiting Indication constants */
+   { MWIActivate,             "mwiActivate"},
+   { MWIDeactivate,           "mwiDeactivate"},
+   { MWIInterrogate,          "mwiInterrogate"}, 
+
+   /* H.450.8 Name Identification constants */
+   { NIcallingName,           "niCallingName"},
+   { NIalertingName,          "niAlertingName"},
+   { NIconnectedName,         "niConnectedName"},
+   { NIbusyName,              "niBusyName"}, 
+
+   /* H.450.9 Call Completion constants */
+   { CCBSRequest,             "ccbsRequest"},
+   { CCNRRequest,             "ccnrRequest"},
+   { CCCancel,                "ccCancel"},
+   { CCExecPossible,          "ccExecPossible"},
+   { CCRingout,               "ccRingout"},
+   { CCSuspend,               "ccSuspend"},
+   { CCResume,                "ccResume"}, 
+
+   /* H.450.10 Call Offer constants */
+   { CallOfferRequest,        "callOfferRequest"},
+   { RemoteUserAlerting,      "remoteUserAlerting"},
+   { CFBOverride,             "cfbOverride"}, 
+
+   /* H.450.11 Call Intrusion constants */
+   { CallIntrusionRequest,      "callIntrusionRequest"},
+   { CallIntrusionGetCIPL,      "callIntrusionGetCIPL"},
+   { CallIntrusionIsolate,      "callIntrusionIsolate"},
+   { CallIntrusionForcedRelease,"callIntrusionForcedRelease"},
+   { CallIntrusionWOBRequest,   "callIntrusionWOBRequest"},
+   { CallIntrusionSilentMonitor,"callIntrusionSilentMonitor"},
+   { CallIntrusionNotification, "callIntrusionNotification"},
+
+   /* TODO - add other H.450.x invoke opcodes here */
+
+	{  0, NULL }
+};
+
+static int dissect_h4501_argument(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree);
+static int dissect_ros_ROSxxx(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, int hf_ind _U_);
+
+static int
+dissect_xxx_Extensionxxx(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, int hf_id){
+	PER_NOT_DECODED_YET("H.450.1 ExtensionSeq");
+   return offset;
+}
+
+static int
+dissect_xxx_Extension(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, int hf_id){
+	PER_NOT_DECODED_YET("H.450.1 ExtensionSeq");
+   return offset;
+}
+
+
+#include "packet-h450-fn.c"
+
+static const value_string InvokeProblem_vals[] = {
+   {  0, "duplicateInvocation"},
+   {  1, "unrecognizedOperation"},
+   {  2, "mistypedArgument"},
+   {  3, "resourceLimitation"},
+   {  4, "releaseInProgress"},
+   {  5, "unrecognizedLinkedId"},
+   {  6, "linkedResponseUnexpected"},
+   {  7, "unexpectedLinkedOperation"},
+   {  0, NULL }
+};
+static int
+dissect_h4501_InvokeProblem(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_constrained_integer(tvb, offset, pinfo, tree, hf_h4501_InvokeProblem, 0, 7, NULL, NULL, FALSE);
+   return offset;
+}
+
+
+static const value_string ReturnResultProblem_vals[] = {
+   {  0, "unrecognizedInvocation"},
+   {  1, "resultResponseUnexpected"},
+   {  2, "mistypedResult"},
+   {  0, NULL }
+};
+static int
+dissect_h4501_ReturnResultProblem(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_constrained_integer(tvb, offset, pinfo, tree, hf_h4501_ReturnResultProblem, 0, 2, NULL, NULL, FALSE);
+   return offset;
+}
+
+
+static const value_string ReturnErrorProblem_vals[] = {
+   {  0, "unrecognizedInvocation"},
+   {  1, "errorResponseUnexpected"},
+   {  2, "unrecognizedError"},
+   {  3, "unexpectedError"},
+   {  4, "mistypedParameter"},
+   {  0, NULL }
+};
+static int
+dissect_h4501_ReturnErrorProblem(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_constrained_integer(tvb, offset, pinfo, tree, hf_h4501_ReturnErrorProblem, 0, 4, NULL, NULL, FALSE);
+   return offset;
+}
+
+static const value_string GeneralProblem_vals[] = {
+   {  0, "unrecognizedCompenent"},
+   {  1, "mistypedCompenent"},
+   {  2, "badlyStructuredCompenent"},
+   {  0, NULL }
+};
+static int
+dissect_h4501_GeneralProblem(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_constrained_integer(tvb, offset, pinfo, tree, hf_h4501_GeneralProblem, 0, 2, NULL, NULL, FALSE);
+   return offset;
+}
+static int
+dissect_h4501_ReturnResult_result(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   tvbuff_t *result_tvb;
+   guint32 result_offset=0;
+   guint32 result_len=0;
+
+   offset=dissect_per_octet_string(tvb, offset, pinfo, tree, -1, -1, -1, &result_offset, &result_len);
+
+   if(result_len){
+      result_tvb = tvb_new_subset(tvb, result_offset, result_len, result_len);
+
+      switch (localOpcode) {
+      case CallTransferIdentify:
+         dissect_h450_CTIdentifyRes(result_tvb, 0, pinfo, tree, hf_h4502_CTIdentifyRes);
+         break;
+
+      case CallTransferInitiate:
+      case CallTransferSetup:
+         dissect_h450_DummyRes(result_tvb, 0, pinfo , tree, hf_h4502_DummyRes);
+         break;
+
+      default:
+PER_NOT_DECODED_YET("Unrecognized H.450.x return result");
+         break;
+      }
+   }
+
+   return offset;
+}
+
+static int
+dissect_h4501_localOpcode(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_integer(tvb, offset, pinfo, tree, hf_h4501_localOpcode, &localOpcode, NULL);
+   is_globalcode = FALSE;
+	return offset;
+}
+
+
+static int
+dissect_h4501_globalCode(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+	offset=dissect_per_object_identifier(tvb, offset, pinfo, tree, hf_h4501_globalCode, globalcode_oid_str);
+	is_globalcode = TRUE;
+   return offset;
+}
+
+
+static const value_string opcode_vals[] = {
+	{ 0, "local" },
+	{ 1, "global" },
+	{ 0, NULL}
+};
+static const per_choice_t opcode_choice[] = {
+	{ 0, "local", ASN1_NO_EXTENSIONS,
+		dissect_h4501_localOpcode },
+	{ 1, "global", ASN1_NO_EXTENSIONS,
+		dissect_h4501_globalCode },
+	{ 0, NULL, 0, NULL }
+};
+static int
+dissect_h4501_opcode(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_choice(tvb, offset, pinfo, tree, hf_h4501_opcode, ett_h4501_opcode, opcode_choice, "Opcode", NULL);
+   return offset;
+}
+
+static const per_sequence_t result_sequence[] = {
+	{ "opcode", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
+		dissect_h4501_opcode },
+	{ "result", ASN1_EXTENSION_ROOT, ASN1_NOT_OPTIONAL,
+		dissect_h4501_ReturnResult_result },
+	{ NULL, 0, 0, NULL }
+};
+static int
+dissect_h4501_result(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4501_result, ett_h4501_result, result_sequence);
+   return offset;
+}
+
+static int
+dissect_h4501_parameter(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   /* TODO - decode return error parameter based on localErrorCode */
+   offset=dissect_per_octet_string(tvb, offset, pinfo, tree, hf_h4501_parameter, -1, -1, NULL, NULL);
+   return offset;
+}
+static const value_string localErrorCode_vals[] = {
+   /* H.450.1 general error list */
+   {    0, "userNotSubscribed"},
+   {    1, "RejectedByNetwork"},
+   {    2, "RejectedByUser"},
+   {    3, "NotAvailable"},
+   {    5, "InsufficientInformation"},
+   {    6, "InvalidServedUserNumber"},
+   {    7, "InvalidCallState"},
+   {    8, "BasicServiceNotProvided"},
+   {    9, "NotIncomingCall"},
+   {   10, "SupplementaryServiceInteractionNotAllowed"},
+   {   11, "ResourceUnavailable"},
+   {   25, "CallFailure"},
+   {   43, "ProceduralError"},
+
+   /* H.450.2 Call Transfer return errors */
+   { 1004, "invalidReroutingNumber"},
+   { 1005, "unrecognizedCallIdentity"},
+   { 1006, "establishmentFailure"},
+   { 1008, "unspecified"},
+
+   /* H.450.4 Call Hold return errors */
+   { 2002, "undefined"},
+
+   /* H.450.5 Call Park and Pickup return errors */
+   { 2000, "callPickupIdInvalid"},
+   { 2001, "callAlreadyPickedUp"},
+
+   /* H.450.7 Message Waiting Indication return errors */
+   { 1018, "invalidMsgCentreId"},
+   {   31, "notActivated"},    
+
+   /* H.450.9 Call Completion return errors */
+   { 1010, "shortTermRejection"},
+   { 1011, "longTermRejection"},
+   { 1012, "remoteUserBusyAgain"},
+   { 1013, "failureToMatch"},    
+
+   /* H.450.11 Call Intrusion return errors */
+   { 1009, "notBusy"},
+   { 1000, "temporarilyUnavailable"},
+   { 1007, "notAuthorized"},
+
+   /* TODO - add other H.450.x error codes here */
+
+   {  0, NULL }
+};
+static int
+dissect_h4501_localErrorCode(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_integer(tvb, offset, pinfo, tree, hf_h4501_localErrorCode, &localErrorCode, NULL);
+	return offset;
+}
+
+
+static const value_string errorCode_vals[] = {
+	{ 0, "local" },
+	{ 1, "global" },
+	{ 0, NULL}
+};
+static const per_choice_t errorCode_choice[] = {
+	{ 0, "local", ASN1_NO_EXTENSIONS,
+		dissect_h4501_localErrorCode },
+	{ 1, "global", ASN1_NO_EXTENSIONS,
+		dissect_h4501_globalCode },
+	{ 0, NULL, 0, NULL }
+};
+static int
+dissect_h4501_errorCode(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_choice(tvb, offset, pinfo, tree, hf_h4501_errorCode, ett_h4501_errorCode, errorCode_choice, "errorCode", NULL);
+   return offset;
+}
+
+static const value_string problem_vals[] = {
+	{ 0, "general" },
+	{ 1, "invoke" },
+	{ 2, "returnResult" },
+	{ 3, "returnError" },
+	{ 0, NULL}
+};
+static const per_choice_t problem_choice[] = {
+	{ 0, "general", ASN1_NO_EXTENSIONS,
+		dissect_h4501_GeneralProblem },
+	{ 1, "invoke", ASN1_NO_EXTENSIONS,
+		dissect_h4501_InvokeProblem },
+	{ 2, "returnResult", ASN1_NO_EXTENSIONS,
+		dissect_h4501_ReturnResultProblem },
+	{ 3, "returnError", ASN1_NO_EXTENSIONS,
+		dissect_h4501_ReturnErrorProblem },
+	{ 0, NULL, 0, NULL }
+};
+static int
+dissect_h4501_problem(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_choice(tvb, offset, pinfo, tree, hf_h4501_problem, ett_h4501_problem, problem_choice, "problem", NULL);
+   return offset;
+}
+static int
+dissect_h4501_constrained_invokeId(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_constrained_integer(tvb, offset, pinfo, tree, hf_h4501_constrained_invokeId, 0, 65535, NULL, NULL, FALSE);
+	return offset;
+}
+
+
+static int
+dissect_h4501_invokeId(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_integer(tvb, offset, pinfo, tree, hf_h4501_invokeId, NULL, NULL);
+	return offset;
+}
+
+static const per_sequence_t Reject_sequence[] = {
+	{ "invokeID", ASN1_NO_EXTENSIONS, ASN1_NOT_OPTIONAL,
+		dissect_h4501_invokeId },
+	{ "problem", ASN1_NO_EXTENSIONS, ASN1_NOT_OPTIONAL,
+		dissect_h4501_problem },
+	{ NULL, 0, 0, NULL }
+};
+static int
+dissect_h4501_Reject(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4501_Reject, ett_h4501_Reject, Reject_sequence);
+   return offset;
+}
+
+static const per_sequence_t ReturnError_sequence[] = {
+	{ "invokeID", ASN1_NO_EXTENSIONS, ASN1_NOT_OPTIONAL,
+		dissect_h4501_invokeId },
+	{ "errorCode", ASN1_NO_EXTENSIONS, ASN1_NOT_OPTIONAL,
+		dissect_h4501_errorCode },
+	{ "parameter", ASN1_NO_EXTENSIONS, ASN1_OPTIONAL,
+		dissect_h4501_parameter },
+	{ NULL, 0, 0, NULL }
+};
+static int
+dissect_h4501_ReturnError(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4501_ReturnError, ett_h4501_ReturnError, ReturnError_sequence);
+   return offset;
+}
+
+static const per_sequence_t ReturnResult_sequence[] = {
+	{ "invokeID", ASN1_NO_EXTENSIONS, ASN1_NOT_OPTIONAL,
+		dissect_h4501_invokeId },
+	{ "result", ASN1_NO_EXTENSIONS, ASN1_OPTIONAL,
+		dissect_h4501_result },
+	{ NULL, 0, 0, NULL }
+};
+static int
+dissect_h4501_ReturnResult(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4501_ReturnResult, ett_h4501_ReturnResult, ReturnResult_sequence);
+   return offset;
+}
+
+static const per_sequence_t Invoke_sequence[] = {
+	{ "invokeID", ASN1_NO_EXTENSIONS, ASN1_NOT_OPTIONAL,
+		dissect_h4501_constrained_invokeId },
+	{ "linkedId", ASN1_NO_EXTENSIONS, ASN1_OPTIONAL,
+		dissect_h4501_invokeId },
+	{ "opcode", ASN1_NO_EXTENSIONS, ASN1_NOT_OPTIONAL,
+		dissect_h4501_opcode },
+	{ "argument", ASN1_NO_EXTENSIONS, ASN1_OPTIONAL,
+		dissect_h4501_argument },
+	{ NULL, 0, 0, NULL }
+};
+static int
+dissect_h4501_Invoke(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_sequence(tvb, offset, pinfo, tree, hf_h4501_Invoke, ett_h4501_Invoke, Invoke_sequence);
+   return offset;
+}
+
+static const value_string ROS_vals[] = {
+	{ 1, "invoke" },
+	{ 2, "returnResult" },
+	{ 3, "returnError" },
+	{ 4, "reject" },
+	{ 0, NULL}
+};
+static const per_choice_t ROS_choice[] = {
+	{ 1, "invoke", ASN1_NO_EXTENSIONS,
+		dissect_h4501_Invoke },
+	{ 2, "returnResult", ASN1_NO_EXTENSIONS,
+		dissect_h4501_ReturnResult },
+	{ 3, "returnError", ASN1_NO_EXTENSIONS,
+		dissect_h4501_ReturnError },
+	{ 4, "reject", ASN1_NO_EXTENSIONS,
+		dissect_h4501_Reject },
+	{ 0, NULL, 0, NULL }
+};
+static int
+dissect_h4501_ROS(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   offset=dissect_per_choice(tvb, offset, pinfo, tree, hf_h4501_ROS, ett_h4501_ROS, ROS_choice, "ROS", NULL);
+   return offset;
+}
+
+static int
+dissect_h4501_argument(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree)
+{
+   tvbuff_t *argument_tvb;
+   guint32 argument_offset=0;
+   guint32 argument_len=0;
+
+  if ( is_globalcode ){
+	  /* TODO call oid dissector
+	   * call_ber_oid_callback isn't realy apropriate ?
+	   */
+	  offset = dissect_per_octet_string(tvb, offset, pinfo, tree, hf_h4501_globalargument, -1, -1, NULL, NULL);
+	  is_globalcode = FALSE;
+	  return offset;
+
+  }
+
+   offset=dissect_per_octet_string(tvb, offset, pinfo, tree, -1, -1, -1, &argument_offset, &argument_len);
+
+   if(argument_len){
+      argument_tvb = tvb_new_subset(tvb, argument_offset, argument_len, argument_len);
+
+
+      switch (localOpcode) {
+		  case CallTransferIdentify:
+	      case CallTransferAbandon:
+			 dissect_h450_DummyArg(argument_tvb, 0, pinfo , tree, hf_h4502_DummyArg);
+			 break;
+
+		   case CallTransferInitiate:
+	         dissect_h450_CTInitiateArg(argument_tvb, 0, pinfo , tree, hf_h4502_CTInitiateArg);
+	         break;
+
+	      case CallTransferSetup:
+	         dissect_h450_CTSetupArg(argument_tvb, 0, pinfo , tree, hf_h4502_CTSetupArg);
+	         break;
+
+	      case CallTransferUpdate:
+	         dissect_h450_CTUpdateArg(argument_tvb, 0, pinfo , tree, hf_h4502_CTUpdateArg);
+	         break;
+
+		  case SubaddressTransfer:
+	         dissect_h450_SubaddressTransferArg(argument_tvb, 0, pinfo , tree, hf_h4502_SubaddressTransferArg);
+	         break;
+
+	      case CallTransferComplete:
+	         dissect_h450_CTCompleteArg(argument_tvb, 0, pinfo , tree, hf_h4502_CTCompleteArg);
+	         break;
+
+	      case CallTransferActive:
+	         dissect_h450_CTActiveArg(argument_tvb, 0, pinfo , tree, hf_h4502_CTActiveArg);
+		     break;
+
+	      /* TODO - decode other H.450.x invoke arguments here */
+	     default:
+PER_NOT_DECODED_YET("Unrecognized H.450.x operation");
+	         break;
+	  }
+	  }
+   return offset;
+}
+static int 
+dissect_ros_ROSxxx(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, int hf_ind _U_){
+
+	offset = dissect_h4501_ROS(tvb, offset, pinfo, tree);
+	return offset;
+
+}
+static int
+dissect_h4501(tvbuff_t *tvb, packet_info *pinfo, proto_tree* tree)
+{
+   proto_item *it;
+   proto_tree *tr;
+   guint32 offset=0;
+
+   it=proto_tree_add_protocol_format(tree, proto_h4501, tvb, 0, tvb_length(tvb), "H.450.1");
+   tr=proto_item_add_subtree(it, ett_h4501);
+
+   dissect_h450_H4501SupplementaryService(tvb, offset, pinfo, tr, hf_h4501);
+   return offset;
+
+}
+
+/*--- proto_register_h450 -------------------------------------------*/
+void proto_register_h450(void) {
+
+  /* List of fields */
+	static hf_register_info hf[] = {
+   { &hf_h4501,
+      { "SupplementaryService", "h4501.SupplementaryService", FT_NONE, BASE_NONE,
+      NULL, 0, "SupplementaryService sequence", HFILL }},
+  { &hf_h4501_constrained_invokeId,
+      { "invokeId", "h4501.invokeId", FT_UINT32, BASE_DEC,
+      NULL, 0, "invokeId", HFILL }},
+   { &hf_h4501_invokeId,
+      { "invokeId", "h4501.invokeId", FT_INT32, BASE_DEC,
+      NULL, 0, "invokeId", HFILL }},
+   { &hf_h4501_localOpcode,
+      { "opcode", "h4501.opcode", FT_INT32, BASE_DEC,
+      VALS(localOpcode_vals), 0, "local", HFILL }},
+   { &hf_h4501_globalCode,
+      { "global", "h4501.global", FT_STRING, BASE_HEX,
+      NULL, 0, "global", HFILL }},
+   { &hf_h4501_globalargument,
+      { "argument", "h4501.argument", FT_BYTES, BASE_HEX,
+      NULL, 0, "argument", HFILL }},
+   { &hf_h4501_opcode,
+      { "opcode", "h4501.opcode", FT_UINT32, BASE_DEC,
+      VALS(opcode_vals), 0, "opcode choice", HFILL }},
+   { &hf_h4501_ReturnResult_result,
+      { "result", "h4501.ReturnResult.result", FT_BYTES, BASE_HEX,
+      NULL, 0, "result", HFILL }},
+   { &hf_h4501_result,
+      { "result", "h4501.result", FT_NONE, BASE_NONE,
+      NULL, 0, "result sequence of", HFILL }},
+   { &hf_h4501_ReturnResult,
+      { "ReturnResult", "h4501.ReturnResult", FT_NONE, BASE_NONE,
+      NULL, 0, "ReturnResult sequence of", HFILL }},
+   { &hf_h4501_localErrorCode,
+      { "errorCode", "h4501.errorCode", FT_INT32, BASE_DEC,
+      VALS(localErrorCode_vals), 0, "local", HFILL }},
+   { &hf_h4501_errorCode,
+      { "errorCode", "h4501.errorCode", FT_UINT32, BASE_DEC,
+      VALS(errorCode_vals), 0, "errorCode", HFILL }},
+   { &hf_h4501_parameter,
+      { "parameter", "h4501.parameter", FT_BYTES, BASE_HEX,
+      NULL, 0, "parameter", HFILL }},
+   { &hf_h4501_ReturnError,
+      { "ReturnError", "h4501.ReturnError", FT_NONE, BASE_NONE,
+      NULL, 0, "ReturnError sequence of", HFILL }},
+   { &hf_h4501_GeneralProblem,
+      { "GeneralProblem", "h4501.GeneralProblem", FT_UINT32, BASE_DEC,
+      VALS(GeneralProblem_vals), 0, "GeneralProblem", HFILL }},
+   { &hf_h4501_InvokeProblem,
+      { "InvokeProblem", "h4501.InvokeProblem", FT_UINT32, BASE_DEC,
+      VALS(InvokeProblem_vals), 0, "InvokeProblem", HFILL }},
+   { &hf_h4501_ReturnResultProblem,
+      { "ReturnResultProblem", "h4501.ReturnResultProblem", FT_UINT32, BASE_DEC,
+      VALS(ReturnResultProblem_vals), 0, "ReturnResultProblem", HFILL }},
+   { &hf_h4501_ReturnErrorProblem,
+      { "ReturnErrorProblem", "h4501.ReturnErrorProblem", FT_UINT32, BASE_DEC,
+      VALS(ReturnErrorProblem_vals), 0, "ReturnErrorProblem", HFILL }},
+   { &hf_h4501_problem,
+      { "problem", "h4501.problem", FT_UINT32, BASE_DEC,
+      VALS(problem_vals), 0, "problem choice", HFILL }},
+   { &hf_h4501_Reject,
+      { "Reject", "h4501.Reject", FT_NONE, BASE_NONE,
+      NULL, 0, "Reject sequence of", HFILL }},
+   { &hf_h4501_ROS,
+      { "ROS", "h4501.ROS", FT_UINT32, BASE_DEC,
+      VALS(ROS_vals), 0, "ROS choice", HFILL }},
+   { &hf_h4501_Invoke,
+      { "Invoke", "h4501.Invoke", FT_NONE, BASE_NONE,
+      NULL, 0, "Invoke sequence of", HFILL }},
+
+  { &hf_h4502_CTIdentifyRes,
+      { "CTIdentifyRes", "h4502.CTIdentifyRes", FT_NONE, BASE_NONE,
+      NULL, 0, "CTIdentifyRes sequence of", HFILL }},
+   { &hf_h4502_DummyRes,
+      { "DummyRes", "h4502.DummyRes", FT_UINT32, BASE_DEC,
+      VALS(h450_DummyRes_vals), 0, "DummyRes Choice", HFILL }},
+   { &hf_h4502_DummyArg,
+      { "DummyArg", "h4502.DummyArg", FT_UINT32, BASE_DEC,
+      VALS(h450_DummyArg_vals), 0, "DummyArg choice", HFILL }},
+   { &hf_h4502_CTInitiateArg,
+      { "CTInitiateArg", "h4502.CTInitiateArg", FT_NONE, BASE_NONE,
+      NULL, 0, "CTInitiateArg sequence of", HFILL }},
+   { &hf_h4502_CTSetupArg,
+      { "CTSetupArg", "h4502.CTSetupArg", FT_NONE, BASE_NONE,
+      NULL, 0, "CTSetupArg sequence of", HFILL }},
+   { &hf_h4502_CTUpdateArg,
+      { "CTUpdateArg", "h4502.CTUpdateArg", FT_NONE, BASE_NONE,
+      NULL, 0, "CTUpdateArg sequence of", HFILL }},
+   { &hf_h4502_SubaddressTransferArg,
+      { "SubaddressTransferArg", "h4502.SubaddressTransferArg", FT_NONE, BASE_NONE,
+      NULL, 0, "SubaddressTransferArg sequence of", HFILL }},
+
+#include "packet-h450-hfarr.c"
+  };
+
+  /* List of subtrees */
+  static gint *ett[] = {
+	  &ett_h4501,
+	  &ett_h4501_opcode,
+	  &ett_h4501_result,
+	  &ett_h4501_errorCode,
+
+	  &ett_h4501_problem,
+	  &ett_h4501_Reject,
+	  &ett_h4501_ReturnError,
+	  &ett_h4501_ReturnResult,
+	  &ett_h4501_Invoke,
+	  &ett_h4501_ROS,
+#include "packet-h450-ettarr.c"
+  };
+
+
+  /* Register protocol */
+  proto_h4501 = proto_register_protocol(PNAME, PSNAME, PFNAME);
+  /* Register fields and subtrees */
+  proto_register_field_array(proto_h4501, hf, array_length(hf));
+  proto_register_subtree_array(ett, array_length(ett));
+
+ 
+  register_dissector("h4501", dissect_h4501, proto_h4501);
+
+
+}
+
+
+/*--- proto_reg_handoff_h4501 ---------------------------------------*/
+void
+proto_reg_handoff_h4501(void)
+{
+
+	h4501_handle = find_dissector("h4501");
+
+}
+
+
+
+