320 lines
9.2 KiB
C
320 lines
9.2 KiB
C
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/*++
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Copyright (c) 1997 Microsoft Corporation
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Module Name:
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call.h
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Abstract:
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Definitions for H.323 TAPI Service Provider call objects.
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Environment:
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User Mode - Win32
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Revision History:
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--*/
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#ifndef _INC_CALL
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#define _INC_CALL
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Header files //
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// //
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///////////////////////////////////////////////////////////////////////////////
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#include "channel.h"
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Type definitions //
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// //
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///////////////////////////////////////////////////////////////////////////////
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typedef enum _H323_CALLSTATE {
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H323_CALLSTATE_ALLOCATED = 0,
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H323_CALLSTATE_IN_USE
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} H323_CALLSTATE, *PH323_CALLSTATE;
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typedef struct _H323_U2ULE {
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LIST_ENTRY Link;
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DWORD dwU2USize;
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PBYTE pU2U;
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} H323_U2ULE, *PH323_U2ULE;
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typedef struct _H323_CALL {
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HDRVCALL hdCall; // tspi call handle
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HTAPICALL htCall; // tapi call handle
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CC_HCALL hccCall; // intelcc call handle
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CC_HCONFERENCE hccConf; // intelcc conf handle
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H323_CALLSTATE nState; // state of call object
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DWORD dwCallState; // tspi call state
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DWORD dwCallStateMode; // tspi call state mode
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DWORD dwOrigin; // inbound or outbound
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DWORD dwAddressType; // type of dst address
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DWORD dwIncomingModes; // available media modes
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DWORD dwOutgoingModes; // available media modes
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DWORD dwRequestedModes; // requested media modes
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DWORD dwAppSpecific;
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BOOL fMonitoringDigits; // listening for dtmf flag
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DWORD dwLinkSpeed; // speed of network connection
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LIST_ENTRY IncomingU2U; // incoming user user messages
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LIST_ENTRY OutgoingU2U; // outgoing user user messages
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CC_ADDR ccCalleeAddr; // intelcc src address
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CC_ADDR ccCallerAddr; // intelcc dst address
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CC_ALIASITEM ccCalleeAlias; // intelcc src alias
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CC_ALIASITEM ccCallerAlias; // intelcc dst alias
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CC_TERMCAP ccRemoteAudioCaps; // remote party audio
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CC_TERMCAP ccRemoteVideoCaps; // remote party video
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PH323_CHANNEL_TABLE pChannelTable; // table of logical channels
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struct _H323_LINE * pLine; // pointer to containing line
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} H323_CALL, *PH323_CALL;
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typedef struct _H323_CALL_TABLE {
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DWORD dwNumSlots; // number of entries
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DWORD dwNumInUse; // number of entries in use
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DWORD dwNumAllocated; // number of entries allocated
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DWORD dwNextAvailable; // next available table index
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PH323_CALL pCalls[ANYSIZE]; // array of object pointers
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} H323_CALL_TABLE, *PH323_CALL_TABLE;
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Public prototypes //
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// //
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///////////////////////////////////////////////////////////////////////////////
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BOOL
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H323BindCall(
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PH323_CALL pCall,
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PCC_CONFERENCEID pConferenceID
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);
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BOOL
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H323UnbindCall(
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PH323_CALL pCall
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);
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BOOL
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H323PlaceCall(
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PH323_CALL pCall
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);
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BOOL
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H323HangupCall(
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PH323_CALL pCall
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);
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BOOL
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H323CloseCall(
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PH323_CALL pCall
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);
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BOOL
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H323DropCall(
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PH323_CALL pCall,
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DWORD dwDisconnectMode
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);
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BOOL
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H323GetCallAndLock(
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PH323_CALL * ppCall,
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HDRVCALL hdCall
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);
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BOOL
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H323GetCallByHCall(
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PH323_CALL * ppCall,
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struct _H323_LINE * pLine,
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CC_HCALL hccCall
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);
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BOOL
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H323ChangeCallState(
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PH323_CALL pCall,
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DWORD dwCallState,
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DWORD dwCallStateMode
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);
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BOOL
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H323ChangeCallStateToIdle(
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PH323_CALL pCall,
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DWORD dwDisconnectMode
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);
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BOOL
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H323AllocCallTable(
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PH323_CALL_TABLE * ppCallTable
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);
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BOOL
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H323FreeCallTable(
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PH323_CALL_TABLE pCallTable
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);
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BOOL
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H323CloseCallTable(
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PH323_CALL_TABLE pCallTable
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);
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BOOL
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H323AllocCallFromTable(
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PH323_CALL * ppCall,
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PH323_CALL_TABLE * ppCallTable,
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struct _H323_LINE * pLine
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);
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BOOL
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H323FreeCallFromTable(
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PH323_CALL pCall,
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PH323_CALL_TABLE pCallTable
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);
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BOOL
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H323UpdateMediaModes(
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PH323_CALL pCall
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);
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BOOL
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H323AcceptCall(
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PH323_CALL pCall
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);
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BOOL
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H323AddU2U(
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PLIST_ENTRY pListHead,
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DWORD dwDataSize,
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PBYTE pData
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);
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BOOL
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H323RemoveU2U(
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PLIST_ENTRY pListHead,
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PH323_U2ULE * ppU2ULE
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);
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DWORD
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H323DetermineLinkSpeed(
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DWORD dwHostAddr
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);
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BOOL
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H323GetTermCapList(
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PH323_CALL pCall,
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PCC_TERMCAPLIST pTermCapList,
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PCC_TERMCAPDESCRIPTORS pTermCapDescriptors
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);
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Call capabilites //
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// //
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///////////////////////////////////////////////////////////////////////////////
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#define H323_CALL_INBOUNDSTATES (LINECALLSTATE_ACCEPTED | \
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LINECALLSTATE_CONNECTED | \
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LINECALLSTATE_DISCONNECTED | \
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LINECALLSTATE_IDLE | \
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LINECALLSTATE_OFFERING)
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#define H323_CALL_OUTBOUNDSTATES (LINECALLSTATE_CONNECTED | \
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LINECALLSTATE_DIALING | \
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LINECALLSTATE_DISCONNECTED | \
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LINECALLSTATE_IDLE | \
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LINECALLSTATE_RINGBACK)
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///////////////////////////////////////////////////////////////////////////////
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// //
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// Macros //
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// //
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///////////////////////////////////////////////////////////////////////////////
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#define H323IsCallAllocated(_pCall_) \
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((_pCall_) != NULL)
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#define H323IsCallInUse(_pCall_) \
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(H323IsCallAllocated(_pCall_) && \
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((_pCall_)->nState > H323_CALLSTATE_ALLOCATED))
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#define H323IsCallEqual(_pCall_,_hdCall_) \
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(H323IsCallInUse(_pCall_) && \
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((_pCall_)->hdCall == (_hdCall_)))
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#define H323IsCallActive(_pCall_) \
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(((_pCall_)->dwCallState != LINECALLSTATE_IDLE) && \
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((_pCall_)->dwCallState != LINECALLSTATE_DISCONNECTED))
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#define H323IsCallIdle(_pCall_) \
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((_pCall_)->dwCallState == LINECALLSTATE_IDLE)
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#define H323IsCallDisconnected(_pCall_) \
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((_pCall_)->dwCallState == LINECALLSTATE_DISCONNECTED)
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#define H323IsCallConnected(_pCall_) \
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((_pCall_)->dwCallState == LINECALLSTATE_CONNECTED)
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#define H323IsCallProceeding(_pCall_) \
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(((_pCall_)->dwCallState == LINECALLSTATE_DIALING) || \
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((_pCall_)->dwCallState == LINECALLSTATE_RINGBACK))
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#define H323IsCallOffering(_pCall_) \
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((_pCall_)->dwCallState == LINECALLSTATE_OFFERING)
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#define H323IsCallInbound(_pCall_) \
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((_pCall_)->dwOrigin == LINECALLORIGIN_INBOUND)
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#define H323GetCallFeatures(_pCall_) \
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(((_pCall_)->dwCallState != LINECALLSTATE_IDLE) \
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? LINECALLFEATURE_DROP \
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: 0)
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#define H323GetLineHandle(_hdCall_) \
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((HDRVLINE)(DWORD)HIWORD((DWORD)(_hdCall_)))
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#define H323GetCallTableIndex(_hdCall_) \
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((DWORD)LOWORD((DWORD)(_hdCall_)))
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#define H323CreateCallHandle(_hdLine_,_i_) \
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((HDRVCALL)MAKELONG(LOWORD((DWORD)(_i_)),LOWORD((DWORD)(_hdLine_))))
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#define H323IsVideoRequested(_pCall_) \
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((_pCall_)->dwRequestedModes & LINEMEDIAMODE_VIDEO)
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#define H323IsAutomatedVoiceRequested(_pCall_) \
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((_pCall_)->dwRequestedModes & LINEMEDIAMODE_AUTOMATEDVOICE)
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#define H323IsInteractiveVoiceRequested(_pCall_) \
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((_pCall_)->dwRequestedModes & LINEMEDIAMODE_INTERACTIVEVOICE)
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#define H323IsMediaUnresolved(_pCall_) \
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((_pCall_)->dwOutgoingModes & LINEMEDIAMODE_UNKNOWN)
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#define H323IsAudioRequested(_pCall_) \
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(H323IsAutomatedVoiceRequested(_pCall_) || \
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H323IsInteractiveVoiceRequested(_pCall_))
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#endif // _INC_CALL
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