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UCC_PARTICIPANT_STATE_CHANGE_REASON Enumeration

This content is no longer actively maintained. It is provided as is, for anyone who may still be using these technologies, with no warranties or claims of accuracy with regard to the most recent product version or service release.

Enumerates the reasons of a change in a participant state.

Namespace: Microsoft.Office.Interop.UccApi
Assembly: Microsoft.Office.Interop.UccApi (in microsoft.office.interop.uccapi.dll)

public enum UCC_PARTICIPANT_STATE_CHANGE_REASON
public enum UCC_PARTICIPANT_STATE_CHANGE_REASON
public enum UCC_PARTICIPANT_STATE_CHANGE_REASON

Member nameDescription
UCCPSCR_CONFERENCE_ACTIONA flag indicating that the participant state changed while the participant was in a conference call.
UCCPSCR_ENDPOINT_NOT_EXISTA flag indicating that the participant state changed because the remote endpoint does not exist.
UCCPSCR_ERRORA flag indicating that the participant state changed due to an error.
UCCPSCR_FAILEDA flag indicating that the participant state changed because an attempt to call failed.
UCCPSCR_FORWARD_DISCONNECTA flag indicating that the participant state changed because the forwarded call was disconnected.
UCCPSCR_NORMALA flag indicating that the participant state changed under a normal operation.
UCCPSCR_REDIRECT_ACTIONA flag indicating that the participant state changed because the call was redirected.
UCCPSCR_REMOTE_HANGUP_ACTIONA flag indicating that the participant state changed because the remote participant terminated the call.
UCCPSCR_RINGINGA flag indicating that the participant state changed while the participant was ringing another party.
UCCPSCR_TRANSFER_ACTIONA flag indicating that the participant state changed while the call was being transferred.
UCCPSCR_TRYINGA flag indicating that the participant state changed while trying. (This is obsolete.)

An application catches an OnStateChanged event raised by a session participant object to discover the reason of a change in a participant state. The reason is described by a value of this enumeration type.

Win32 COM/C++ Syntax

typedef enum UCC_PARTICIPANT_STATE_CHANGE_REASON
{
   UCCPSCR_NORMAL,
   UCCPSCR_RINGING,
   UCCPSCR_TRYING,
   UCCPSCR_REMOTE_HANGUP_ACTION,
   UCCPSCR_FORWARD_DISCONNECT,
   UCCPSCR_REDIRECT_ACTION,
   UCCPSCR_CONFERENCE_ACTION,
   UCCPSCR_TRANSFER_ACTION,
   UCCPSCR_FAILED,
   UCCPSCR_ERROR,
   UCCPSCR_ENDPOINT_NOT_EXIST
};

Development Platforms

Windows XP Professional with Service Pack 2 (SP2), Windows Server 2000 with Service Pack 4, Windows Server 2003, Windows Vista Ultimate Edition, Windows Vista Business Edition, Windows Vista Enterprise Edition

Target Platforms

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