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Assembly: Microsoft.Office.Interop.UccApi (in microsoft.office.interop.uccapi.dll)
A service element represents the aggregated capabilities and machine states of a user's endpoints. It is generated by the aggregation script supported by Office Communications Server. For example, a user has remained idle in Office Communicator for hours and has just finished a voice call using a VoIP phone. The user's presence is represented by a service element indicating that the user's machine state is active for the audio capability but idle for the text capability. This is because the phone device lacks the text capability.
Win32 COM/C++ Syntax
interface IUccPresenceServiceElement : IUnknown