voipcallcoordinator_requestoutgoingupgradetovideocall_1504679370.md

-api-id	-api-type
M:Windows.ApplicationModel.Calls.VoipCallCoordinator.RequestOutgoingUpgradeToVideoCall(System.Guid,System.String,System.String,System.String)	winrt method

Windows.ApplicationModel.Calls.VoipCallCoordinator.RequestOutgoingUpgradeToVideoCall

-description

Makes a request of the system to create an outgoing video call that will replace an existing cellular call.

-parameters

-param callUpgradeGuid

The GUID of the call.

-param context

A string that is passed to the associated foreground app as a deep link. This might be a contact name or other data that can be used to populate the app's UI more quickly. The maximum length is 128 characters. This parameter must be non-null and must refer to a task defined in the app's manifest file.

-param contactName

The name or ID of the caller which is displayed in the phone's minimized call UI. The maximum length is 128 characters.

-param serviceName

The name of the VoIP service which is displayed in the phone's minimized call UI. The maximum length is 128 characters.

-returns

The object representing the new outgoing call.

-remarks

-examples

-see-also

-capabilities

phoneCallHistory, phoneCallHistorySystem, voipCall