linphone-tutorials/uwp/cs/03_OutgoingCall/Views/CallsPage.xaml

<Page
    x:Class="_03_OutgoingCall.Views.CallsPage"
	xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
	xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
	Background="{ThemeResource ApplicationPageBackgroundThemeBrush}">

	<Grid>
		<Grid.RowDefinitions>
			<RowDefinition Height="auto" />
			<RowDefinition Height="*" />
		</Grid.RowDefinitions>

		<Border Grid.Row="0" Background="{ThemeResource SystemAccentColorLight3}" Padding="10">
			<TextBlock x:Name="HelloText" HorizontalAlignment="Center" VerticalAlignment="Center" Style="{ThemeResource HeaderTextBlockStyle}" Text="Hello " />
		</Border>

		<Grid Grid.Row="1">
			<Grid.RowDefinitions>
				<RowDefinition Height="auto" />
				<RowDefinition Height="*" />
				<RowDefinition Height="auto" />
			</Grid.RowDefinitions>

			<StackPanel Grid.Row="0" VerticalAlignment="Center" Margin="20">
				<StackPanel Orientation="Vertical" HorizontalAlignment="Center" VerticalAlignment="Center">
					<TextBlock Text="URI to call : " />
					<TextBox x:Name="UriToCall" Width="350"  MinWidth="350" MaxWidth="350" Text="sip:" />
				</StackPanel>

				<Button x:Name="CallButton" Content="Call" Click="CallClick" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="5" />

				<TextBlock x:Name="CallText" Text="Your call state is : Idle" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="10" />

				<StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center" Margin="10">
					<Button x:Name="HangUp" Content="Hang up" Click="OnHangUpClicked" IsEnabled="False" />
					<Button x:Name="Sound" Content="Switch off Sound" Click="SoundClick" IsEnabled="False" />
					<Button x:Name="Camera" Content="Switch on Camera" Click="CameraClick" IsEnabled="False" />
					<Button x:Name="Mic" Content="Mute" Click="MicClick" IsEnabled="False" />
				</StackPanel>
			</StackPanel>

			<Grid Grid.Row="1" x:Name="VideoGrid" Canvas.ZIndex="-1" Background="Black" Visibility="Collapsed">
				<Grid.RowDefinitions>
					<RowDefinition Height="*" />
					<RowDefinition Height="*" />
					<RowDefinition Height="*" />
				</Grid.RowDefinitions>
				<Grid.ColumnDefinitions>
					<ColumnDefinition Width="*" />
					<ColumnDefinition Width="*" />
					<ColumnDefinition Width="*" />
				</Grid.ColumnDefinitions>

				<SwapChainPanel x:Name="VideoSwapChainPanel" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Grid.Column="0" Grid.Row="0" Grid.ColumnSpan="2" Grid.RowSpan="3" />

				<SwapChainPanel x:Name="PreviewSwapChainPanel" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Grid.Column="2" Grid.Row="0" Grid.RowSpan="3">
				</SwapChainPanel>
			</Grid>

			<StackPanel Grid.Row="2" x:Name="IncomingCallStackPanel" Orientation="Vertical" HorizontalAlignment="Center" VerticalAlignment="Center" Visibility="Collapsed" Margin="10">
				<StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">
					<TextBlock Text="You have a call from :" />
					<TextBlock x:Name="IncommingCallText" Text="" />
				</StackPanel>
				<StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">
					<Button x:Name="Answer" Content="Answer" Click="AnswerClick" />
					<Button x:Name="Decline" Content="Decline" Click="DeclineClick" />
				</StackPanel>
			</StackPanel>
		</Grid>
	</Grid>
</Page>