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h323pdu.h

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00001 /*
00002  * h323pdu.h
00003  *
00004  * H.323 protocol handler
00005  *
00006  * Open H323 Library
00007  *
00008  * Copyright (c) 1998-2000 Equivalence Pty. Ltd.
00009  *
00010  * The contents of this file are subject to the Mozilla Public License
00011  * Version 1.0 (the "License"); you may not use this file except in
00012  * compliance with the License. You may obtain a copy of the License at
00013  * http://www.mozilla.org/MPL/
00014  *
00015  * Software distributed under the License is distributed on an "AS IS"
00016  * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
00017  * the License for the specific language governing rights and limitations
00018  * under the License.
00019  *
00020  * The Original Code is Open H323 Library.
00021  *
00022  * The Initial Developer of the Original Code is Equivalence Pty. Ltd.
00023  *
00024  * Portions of this code were written with the assisance of funding from
00025  * Vovida Networks, Inc. http://www.vovida.com.
00026  *
00027  * Contributor(s): ______________________________________.
00028  *
00029  * $Log: h323pdu.h,v $
00030  * Revision 1.65  2003/04/10 09:36:52  robertj
00031  * Added some more functions for converting to alias addresses.
00032  *
00033  * Revision 1.64  2003/04/01 03:11:01  robertj
00034  * Added function to get array of AliasAddress into PStringArray.
00035  *
00036  * Revision 1.63  2003/03/25 04:56:17  robertj
00037  * Fixed issues to do with multiple inheritence in transaction reply cache.
00038  *
00039  * Revision 1.62  2003/03/20 01:51:07  robertj
00040  * More abstraction of H.225 RAS and H.501 protocols transaction handling.
00041  *
00042  * Revision 1.61  2003/03/01 00:23:42  craigs
00043  * New PeerElement implementation
00044  *
00045  * Revision 1.60  2003/02/25 06:48:15  robertj
00046  * More work on PDU transaction abstraction.
00047  *
00048  * Revision 1.59  2003/02/21 05:28:39  craigs
00049  * Factored out code for user with peer elements
00050  *
00051  * Revision 1.58  2003/02/01 13:31:14  robertj
00052  * Changes to support CAT authentication in RAS.
00053  *
00054  * Revision 1.57  2002/11/28 04:41:44  robertj
00055  * Added support for RAS ServiceControlIndication command.
00056  *
00057  * Revision 1.56  2002/09/16 01:14:15  robertj
00058  * Added #define so can select if #pragma interface/implementation is used on
00059  *   platform basis (eg MacOS) rather than compiler, thanks Robert Monaghan.
00060  *
00061  * Revision 1.55  2002/09/03 06:19:37  robertj
00062  * Normalised the multi-include header prevention ifdef/define symbol.
00063  *
00064  * Revision 1.54  2002/08/12 05:38:21  robertj
00065  * Changes to the RAS subsystem to support ability to make requests to client
00066  *   from gkserver without causing bottlenecks and race conditions.
00067  *
00068  * Revision 1.53  2002/08/05 10:03:47  robertj
00069  * Cosmetic changes to normalise the usage of pragma interface/implementation.
00070  *
00071  * Revision 1.52  2002/08/05 05:17:37  robertj
00072  * Fairly major modifications to support different authentication credentials
00073  *   in ARQ to the logged in ones on RRQ. For both client and server.
00074  * Various other H.235 authentication bugs and anomalies fixed on the way.
00075  *
00076  * Revision 1.51  2002/07/25 10:55:40  robertj
00077  * Changes to allow more granularity in PDU dumps, hex output increasing
00078  *   with increasing trace level.
00079  *
00080  * Revision 1.50  2002/07/11 07:04:12  robertj
00081  * Added build InfoRequest pdu type to RAS.
00082  *
00083  * Revision 1.49  2002/05/29 03:55:17  robertj
00084  * Added protocol version number checking infrastructure, primarily to improve
00085  *   interoperability with stacks that are unforgiving of new features.
00086  *
00087  * Revision 1.48  2002/05/29 00:03:15  robertj
00088  * Fixed unsolicited IRR support in gk client and server,
00089  *   including support for IACK and INAK.
00090  *
00091  * Revision 1.47  2002/05/07 03:18:12  robertj
00092  * Added application info (name/version etc) into registered endpoint data.
00093  *
00094  * Revision 1.46  2002/05/03 09:18:45  robertj
00095  * Added automatic retransmission of RAS responses to retried requests.
00096  *
00097  * Revision 1.45  2002/03/14 07:57:02  robertj
00098  * Added ability to specify alias type in H323SetAliasAddress, if not specified
00099  *   then defaults to previous behaviour, thanks Nils Bokerman.
00100  *
00101  * Revision 1.44  2001/12/15 07:09:56  robertj
00102  * Added functions to get E.164 address from alias address or addresses.
00103  *
00104  * Revision 1.43  2001/12/14 06:38:47  robertj
00105  * Broke out conversion of Q.850 and H.225 release complete codes to
00106  *   OpenH323 call end reasons enum.
00107  *
00108  * Revision 1.42  2001/12/13 10:56:04  robertj
00109  * Added build of request in progress pdu.
00110  *
00111  * Revision 1.41  2001/08/16 07:49:16  robertj
00112  * Changed the H.450 support to be more extensible. Protocol handlers
00113  *   are now in separate classes instead of all in H323Connection.
00114  *
00115  * Revision 1.40  2001/08/10 11:03:49  robertj
00116  * Major changes to H.235 support in RAS to support server.
00117  *
00118  * Revision 1.39  2001/08/06 07:44:52  robertj
00119  * Fixed problems with building without SSL
00120  *
00121  * Revision 1.38  2001/08/06 03:08:11  robertj
00122  * Fission of h323.h to h323ep.h & h323con.h, h323.h now just includes files.
00123  *
00124  * Revision 1.37  2001/06/14 06:25:13  robertj
00125  * Added further H.225 PDU build functions.
00126  * Moved some functionality from connection to PDU class.
00127  *
00128  * Revision 1.36  2001/06/14 00:45:19  robertj
00129  * Added extra parameters for Q.931 fields, thanks Rani Assaf
00130  *
00131  * Revision 1.35  2001/05/30 23:34:54  robertj
00132  * Added functions to send TCS=0 for transmitter side pause.
00133  *
00134  * Revision 1.34  2001/04/11 03:01:27  robertj
00135  * Added H.450.2 (call transfer), thanks a LOT to Graeme Reid & Norwood Systems
00136  *
00137  * Revision 1.33  2001/03/24 00:34:35  robertj
00138  * Added read/write hook functions so don't have to duplicate code in
00139  *    H323RasH235PDU descendant class of H323RasPDU.
00140  *
00141  * Revision 1.32  2001/03/21 04:52:40  robertj
00142  * Added H.235 security to gatekeepers, thanks Fürbass Franz!
00143  *
00144  * Revision 1.31  2001/02/09 05:16:24  robertj
00145  * Added #pragma interface for GNU C++.
00146  *
00147  * Revision 1.30  2001/01/19 01:20:38  robertj
00148  * Added non-const function to get access to Q.931 PDU in H323SignalPDU.
00149  *
00150  * Revision 1.29  2000/10/04 05:59:09  robertj
00151  * Minor reorganisation of the H.245 secondary channel start up to make it simpler
00152  *    to override its behaviour.
00153  *
00154  * Revision 1.28  2000/09/25 06:47:54  robertj
00155  * Removed use of alias if there is no alias present, ie only have transport address.
00156  *
00157  * Revision 1.27  2000/09/22 01:35:02  robertj
00158  * Added support for handling LID's that only do symmetric codecs.
00159  *
00160  * Revision 1.26  2000/07/15 09:50:49  robertj
00161  * Changed adding of Q.931 party numbers to only occur in SETUP.
00162  *
00163  * Revision 1.25  2000/06/21 08:07:39  robertj
00164  * Added cause/reason to release complete PDU, where relevent.
00165  *
00166  * Revision 1.24  2000/05/23 11:32:27  robertj
00167  * Rewrite of capability table to combine 2 structures into one and move functionality into that class
00168  *    allowing some normalisation of usage across several applications.
00169  * Changed H323Connection so gets a copy of capabilities instead of using endponts, allows adjustments
00170  *    to be done depending on the remote client application.
00171  *
00172  * Revision 1.23  2000/05/08 14:07:26  robertj
00173  * Improved the provision and detection of calling and caller numbers, aliases and hostnames.
00174  *
00175  * Revision 1.22  2000/05/08 05:05:43  robertj
00176  * Fixed bug in H.245 close logical channel timeout, thanks XuPeili.
00177  *
00178  * Revision 1.21  2000/05/02 04:32:24  robertj
00179  * Fixed copyright notice comment.
00180  *
00181  * Revision 1.20  2000/04/10 20:39:30  robertj
00182  * Added support for more sophisticated DTMF and hook flash user indication.
00183  * Added function to extract E164 address from Q.931/H.225 PDU.
00184  *
00185  * Revision 1.19  2000/03/25 02:00:39  robertj
00186  * Added adjustable caller name on connection by connection basis.
00187  *
00188  * Revision 1.18  2000/03/21 01:22:01  robertj
00189  * Fixed incorrect call reference code being used in originated call.
00190  *
00191  * Revision 1.17  1999/12/11 02:20:58  robertj
00192  * Added ability to have multiple aliases on local endpoint.
00193  *
00194  * Revision 1.16  1999/09/10 03:36:48  robertj
00195  * Added simple Q.931 Status response to Q.931 Status Enquiry
00196  *
00197  * Revision 1.15  1999/08/31 12:34:18  robertj
00198  * Added gatekeeper support.
00199  *
00200  * Revision 1.14  1999/08/25 05:07:49  robertj
00201  * File fission (critical mass reached).
00202  *
00203  * Revision 1.13  1999/07/16 06:15:59  robertj
00204  * Corrected semantics for tunnelled master/slave determination in fast start.
00205  *
00206  * Revision 1.12  1999/07/16 02:15:30  robertj
00207  * Fixed more tunneling problems.
00208  *
00209  * Revision 1.11  1999/07/15 14:45:35  robertj
00210  * Added propagation of codec open error to shut down logical channel.
00211  * Fixed control channel start up bug introduced with tunnelling.
00212  *
00213  * Revision 1.10  1999/07/10 02:51:53  robertj
00214  * Added mutexing in H245 procedures.
00215  *
00216  * Revision 1.9  1999/07/09 06:09:49  robertj
00217  * Major implementation. An ENORMOUS amount of stuff added everywhere.
00218  *
00219  * Revision 1.8  1999/06/25 10:25:35  robertj
00220  * Added maintentance of callIdentifier variable in H.225 channel.
00221  *
00222  * Revision 1.7  1999/06/14 05:15:56  robertj
00223  * Changes for using RTP sessions correctly in H323 Logical Channel context
00224  *
00225  * Revision 1.6  1999/06/13 12:41:14  robertj
00226  * Implement logical channel transmitter.
00227  * Fixed H245 connect on receiving call.
00228  *
00229  * Revision 1.5  1999/06/09 05:26:20  robertj
00230  * Major restructuring of classes.
00231  *
00232  * Revision 1.4  1999/06/06 06:06:36  robertj
00233  * Changes for new ASN compiler and v2 protocol ASN files.
00234  *
00235  * Revision 1.3  1999/04/26 06:14:47  craigs
00236  * Initial implementation for RTP decoding and lots of stuff
00237  * As a whole, these changes are called "First Noise"
00238  *
00239  * Revision 1.2  1999/01/16 02:35:04  robertj
00240  * GNi compiler compatibility.
00241  *
00242  * Revision 1.1  1999/01/16 01:30:58  robertj
00243  * Initial revision
00244  *
00245  */
00246 
00247 #ifndef __OPAL_H323PDU_H
00248 #define __OPAL_H323PDU_H
00249 
00250 #ifdef P_USE_PRAGMA
00251 #pragma interface
00252 #endif
00253 
00254 
00255 #include <ptlib/sockets.h>
00256 #include "h323con.h"
00257 #include "transports.h"
00258 #include "q931.h"
00259 #include "h225.h"
00260 #include "h245.h"
00261 #include "h323trans.h"
00262 
00263 
00264 class H225_RAS;
00265 
00266 
00267 #define H225_PROTOCOL_VERSION 4
00268 #define H245_PROTOCOL_VERSION 7
00269 
00270 
00272 
00275 class H323SignalPDU : public H225_H323_UserInformation
00276 {
00277   PCLASSINFO(H323SignalPDU, H225_H323_UserInformation);
00278 
00279   public:
00284     H323SignalPDU();
00285 
00288     H225_Setup_UUIE & BuildSetup(
00289       const H323Connection & connection,    
00290       const H323TransportAddress & destAddr 
00291     );
00292 
00295     H225_CallProceeding_UUIE & BuildCallProceeding(
00296       const H323Connection & connection    
00297     );
00298 
00301     H225_Connect_UUIE & BuildConnect(
00302       const H323Connection & connection    
00303     );
00304 
00307     H225_Connect_UUIE & BuildConnect(
00308       const H323Connection & connection,    
00309       const PIPSocket::Address & h245Address, 
00310       WORD port                               
00311     );
00312 
00315     H225_Alerting_UUIE & BuildAlerting(
00316       const H323Connection & connection    
00317     );
00318 
00321     H225_Information_UUIE & BuildInformation(
00322       const H323Connection & connection    
00323     );
00324 
00327     H225_ReleaseComplete_UUIE & BuildReleaseComplete(
00328       const H323Connection & connection    
00329     );
00330 
00333     H225_Facility_UUIE * BuildFacility(
00334       const H323Connection & connection,  
00335       BOOL empty                          
00336     );
00337 
00340     H225_Progress_UUIE & BuildProgress(
00341       const H323Connection & connection    
00342     );
00343 
00346     H225_Status_UUIE & BuildStatus(
00347       const H323Connection & connection    
00348     );
00349 
00352     H225_StatusInquiry_UUIE & BuildStatusInquiry(
00353       const H323Connection & connection    
00354     );
00355 
00358     H225_SetupAcknowledge_UUIE & BuildSetupAcknowledge(
00359       const H323Connection & connection    
00360     );
00361 
00364     H225_Notify_UUIE & BuildNotify(
00365       const H323Connection & connection    
00366     );
00368 
00369 
00374     void PrintOn(
00375       ostream & strm
00376     ) const;
00377 
00380     BOOL Read(
00381       H323Transport & transport   
00382     );
00383 
00386     BOOL Write(
00387       H323Transport & transport   
00388     );
00389 
00392     const Q931 & GetQ931() const { return q931pdu; }
00393 
00396     Q931 & GetQ931() { return q931pdu; }
00397 
00402     void BuildQ931();
00403 
00408     PString GetSourceAliases(
00409       const H323Transport * transport = NULL  
00410     ) const;
00411 
00416     PString GetDestinationAlias(
00417       BOOL firstAliasOnly = FALSE   
00418     ) const;
00419 
00424     BOOL GetSourceE164(
00425       PString & number    
00426     ) const;
00427 
00432     BOOL GetDestinationE164(
00433       PString & number    
00434     ) const;
00435 
00439     unsigned GetDistinctiveRing() const;
00440 
00445     void SetQ931Fields(
00446       const H323Connection & connection,
00447       BOOL insertPartyNumbers = FALSE,
00448       unsigned plan = 1,
00449       unsigned type = 0,
00450       int presentation = -1,
00451       int screening = -1
00452     );
00453 
00454   protected:
00455     // Even though we generally deal with the H323 protocol (H225) it is
00456     // actually contained within a field of the Q931 protocol.
00457     Q931 q931pdu;
00458 };
00459 
00460 
00462 
00465 class H323ControlPDU : public H245_MultimediaSystemControlMessage
00466 {
00467   PCLASSINFO(H323ControlPDU, H245_MultimediaSystemControlMessage);
00468 
00469   public:
00470     H245_RequestMessage    & Build(H245_RequestMessage   ::Choices request);
00471     H245_ResponseMessage   & Build(H245_ResponseMessage  ::Choices response);
00472     H245_CommandMessage    & Build(H245_CommandMessage   ::Choices command);
00473     H245_IndicationMessage & Build(H245_IndicationMessage::Choices indication);
00474 
00475     H245_MasterSlaveDetermination & BuildMasterSlaveDetermination(
00476       unsigned terminalType,
00477       unsigned statusDeterminationNumber
00478     );
00479     H245_MasterSlaveDeterminationAck & BuildMasterSlaveDeterminationAck(
00480       BOOL isMaster
00481     );
00482     H245_MasterSlaveDeterminationReject & BuildMasterSlaveDeterminationReject(
00483       unsigned cause
00484     );
00485 
00486     H245_TerminalCapabilitySet & BuildTerminalCapabilitySet(
00487       const H323Connection & connection,
00488       unsigned sequenceNumber,
00489       BOOL empty
00490     );
00491     H245_TerminalCapabilitySetAck & BuildTerminalCapabilitySetAck(
00492       unsigned sequenceNumber
00493     );
00494     H245_TerminalCapabilitySetReject & BuildTerminalCapabilitySetReject(
00495       unsigned sequenceNumber,
00496       unsigned cause
00497     );
00498 
00499     H245_OpenLogicalChannel & BuildOpenLogicalChannel(
00500       unsigned forwardLogicalChannelNumber
00501     );
00502     H245_RequestChannelClose & BuildRequestChannelClose(
00503       unsigned channelNumber,
00504       unsigned reason
00505     );
00506     H245_CloseLogicalChannel & BuildCloseLogicalChannel(
00507       unsigned channelNumber
00508     );
00509     H245_OpenLogicalChannelAck & BuildOpenLogicalChannelAck(
00510       unsigned channelNumber
00511     );
00512     H245_OpenLogicalChannelReject & BuildOpenLogicalChannelReject(
00513       unsigned channelNumber,
00514       unsigned cause
00515     );
00516     H245_OpenLogicalChannelConfirm & BuildOpenLogicalChannelConfirm(
00517       unsigned channelNumber
00518     );
00519     H245_CloseLogicalChannelAck & BuildCloseLogicalChannelAck(
00520       unsigned channelNumber
00521     );
00522     H245_RequestChannelCloseAck & BuildRequestChannelCloseAck(
00523       unsigned channelNumber
00524     );
00525     H245_RequestChannelCloseReject & BuildRequestChannelCloseReject(
00526       unsigned channelNumber
00527     );
00528     H245_RequestChannelCloseRelease & BuildRequestChannelCloseRelease(
00529       unsigned channelNumber
00530     );
00531 
00532     H245_RequestMode & BuildRequestMode(
00533       unsigned sequenceNumber
00534     );
00535     H245_RequestModeAck & BuildRequestModeAck(
00536       unsigned sequenceNumber,
00537       unsigned response
00538     );
00539     H245_RequestModeReject & BuildRequestModeReject(
00540       unsigned sequenceNumber,
00541       unsigned cause
00542     );
00543 
00544     H245_RoundTripDelayRequest & BuildRoundTripDelayRequest(
00545       unsigned sequenceNumber
00546     );
00547     H245_RoundTripDelayResponse & BuildRoundTripDelayResponse(
00548       unsigned sequenceNumber
00549     );
00550 
00551     H245_UserInputIndication & BuildUserInputIndication(
00552       const PString & value
00553     );
00554     H245_UserInputIndication & BuildUserInputIndication(
00555       char tone,               
00556       unsigned duration,       
00557       unsigned logicalChannel, 
00558       unsigned rtpTimestamp    
00559     );
00560 
00561     H245_FunctionNotUnderstood & BuildFunctionNotUnderstood(
00562       const H323ControlPDU & pdu
00563     );
00564 
00565     H245_EndSessionCommand & BuildEndSessionCommand(
00566       unsigned reason
00567     );
00568 };
00569 
00570 
00572 
00575 class H323RasPDU : public H225_RasMessage, public H323TransactionPDU
00576 {
00577   PCLASSINFO(H323RasPDU, H225_RasMessage);
00578 
00579   public:
00580     H323RasPDU();
00581     H323RasPDU(
00582       const H235Authenticators & authenticators
00583     );
00584 
00585     // overrides from PObject
00586     virtual PObject * Clone() const;
00587 
00588     // overrides from H323TransactionPDU
00589     virtual PASN_Object & GetPDU();
00590     virtual PASN_Choice & GetChoice();
00591     virtual const PASN_Object & GetPDU() const;
00592     virtual const PASN_Choice & GetChoice() const;
00593     virtual unsigned GetSequenceNumber() const;
00594     virtual unsigned GetRequestInProgressDelay() const;
00595 #if PTRACING
00596     virtual const char * GetProtocolName() const;
00597 #endif
00598     virtual H323TransactionPDU * ClonePDU() const;
00599     virtual void DeletePDU();
00600 
00601     // new functions
00602     H225_GatekeeperRequest       & BuildGatekeeperRequest(unsigned seqNum);
00603     H225_GatekeeperConfirm       & BuildGatekeeperConfirm(unsigned seqNum);
00604     H225_GatekeeperReject        & BuildGatekeeperReject(unsigned seqNum, unsigned reason = H225_GatekeeperRejectReason::e_undefinedReason);
00605     H225_RegistrationRequest     & BuildRegistrationRequest(unsigned seqNum);
00606     H225_RegistrationConfirm     & BuildRegistrationConfirm(unsigned seqNum);
00607     H225_RegistrationReject      & BuildRegistrationReject(unsigned seqNum, unsigned reason = H225_RegistrationRejectReason::e_undefinedReason);
00608     H225_UnregistrationRequest   & BuildUnregistrationRequest(unsigned seqNum);
00609     H225_UnregistrationConfirm   & BuildUnregistrationConfirm(unsigned seqNum);
00610     H225_UnregistrationReject    & BuildUnregistrationReject(unsigned seqNum, unsigned reason = H225_UnregRejectReason::e_undefinedReason);
00611     H225_LocationRequest         & BuildLocationRequest(unsigned seqNum);
00612     H225_LocationConfirm         & BuildLocationConfirm(unsigned seqNum);
00613     H225_LocationReject          & BuildLocationReject(unsigned seqNum, unsigned reason = H225_LocationRejectReason::e_undefinedReason);
00614     H225_AdmissionRequest        & BuildAdmissionRequest(unsigned seqNum);
00615     H225_AdmissionConfirm        & BuildAdmissionConfirm(unsigned seqNum);
00616     H225_AdmissionReject         & BuildAdmissionReject(unsigned seqNum, unsigned reason = H225_AdmissionRejectReason::e_undefinedReason);
00617     H225_DisengageRequest        & BuildDisengageRequest(unsigned seqNum);
00618     H225_DisengageConfirm        & BuildDisengageConfirm(unsigned seqNum);
00619     H225_DisengageReject         & BuildDisengageReject(unsigned seqNum, unsigned reason = H225_DisengageRejectReason::e_securityDenial);
00620     H225_BandwidthRequest        & BuildBandwidthRequest(unsigned seqNum);
00621     H225_BandwidthConfirm        & BuildBandwidthConfirm(unsigned seqNum, unsigned bandwidth = 0);
00622     H225_BandwidthReject         & BuildBandwidthReject(unsigned seqNum, unsigned reason = H225_BandRejectReason::e_undefinedReason);
00623     H225_InfoRequest             & BuildInfoRequest(unsigned seqNum, unsigned callRef = 0, const OpalGloballyUniqueID * id = NULL);
00624     H225_InfoRequestResponse     & BuildInfoRequestResponse(unsigned seqNum);
00625     H225_InfoRequestAck          & BuildInfoRequestAck(unsigned seqNum);
00626     H225_InfoRequestNak          & BuildInfoRequestNak(unsigned seqNum, unsigned reason = H225_InfoRequestNakReason::e_undefinedReason);
00627     H225_ServiceControlIndication& BuildServiceControlIndication(unsigned seqNum, const OpalGloballyUniqueID * id = NULL);
00628     H225_ServiceControlResponse  & BuildServiceControlResponse(unsigned seqNum);
00629     H225_UnknownMessageResponse  & BuildUnknownMessageResponse(unsigned seqNum);
00630     H225_RequestInProgress       & BuildRequestInProgress(unsigned seqNum, unsigned delay);
00631 };
00632 
00633 
00635 
00636 void H323SetAliasAddresses(const H323TransportAddressArray & addresses, H225_ArrayOf_AliasAddress & aliases);
00637 void H323SetAliasAddresses(const PStringArray & names, H225_ArrayOf_AliasAddress & aliases, int tag = -1);
00638 void H323SetAliasAddresses(const PStringList & names, H225_ArrayOf_AliasAddress & aliases, int tag = -1);
00639 void H323SetAliasAddress(const H323TransportAddress & address, H225_AliasAddress & alias);
00640 void H323SetAliasAddress(const PString & name, H225_AliasAddress & alias, int tag = -1);
00641 PStringArray H323GetAliasAddressStrings(const H225_ArrayOf_AliasAddress & aliases);
00642 PString H323GetAliasAddressString(const H225_AliasAddress & alias);
00643 PString H323GetAliasAddressE164(const H225_AliasAddress & alias);
00644 PString H323GetAliasAddressE164(const H225_ArrayOf_AliasAddress & aliases);
00645 
00646 H323Connection::CallEndReason H323TranslateToCallEndReason(
00647   Q931::CauseValues cause,
00648   const H225_ReleaseCompleteReason & reason
00649 );
00650 Q931::CauseValues H323TranslateFromCallEndReason(
00651   const H323Connection & connection,
00652   H225_ReleaseCompleteReason & rcReason
00653 );
00654 
00655 PString H323GetApplicationInfo(const H225_VendorIdentifier & vendor);
00656 
00657 
00658 #if PTRACING
00659 void H323TraceDumpPDU(
00660   const char * proto,
00661   BOOL writing,
00662   const PBYTEArray & rawData,
00663   const PASN_Object & pdu,
00664   const PASN_Choice & tag1,
00665   unsigned seqNum
00666 );
00667 #else
00668 #define H323TraceDumpPDU(proto, writing, rawData, pdu, tag1, seqNum)
00669 #endif
00670 
00671 
00672 #endif // __OPAL_H323PDU_H
00673 
00674 

Generated on Mon Sep 26 15:44:46 2005 for OpenH323 by  doxygen 1.4.4