Launch Method
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VoipBackgroundProcess.Launch Method

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Launches the VoIP background process.

Namespace:  Microsoft.Phone.Networking.Voip
Assembly:  Microsoft.Phone (in Microsoft.Phone.dll)

'Declaration
Public Shared Sub Launch

ExceptionCondition
UnauthorizedAccessException

The calling application does not have the ID_CAP_VOIP capability.

InvalidOperationException

The VoIP application's background process can only be launched by the UI process of a VoIP application that is in the foreground.

Exception

The system was unable to launch the background process.

Windows Phone OS

Supported in: 8.1, 8.0

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