res/layout/frag_call.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@drawable/bg_72"
    android:divider="@drawable/divider" >

    <org.sflphone.model.BubblesView
            android:id="@+id/main_view"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:focusable="true" />

    <RelativeLayout
        android:id="@+id/call_status_bar"
        android:layout_width="match_parent"
        android:layout_height="?android:attr/actionBarSize"
        android:layout_alignParentTop="true" >

        <ImageView
            android:id="@+id/button1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:layout_gravity="left"
            android:layout_marginLeft="15dp"
            android:layout_marginRight="10dp"
            android:src="@drawable/ic_action_call" />

        <TextView
            android:id="@+id/call_status_txt"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerVertical="true"
            android:layout_toRightOf="@+id/button1"
            android:textSize="12sp"
            android:textColor="@color/white" />

        <Button
                android:id="@+id/confirm_sas"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_centerVertical="true"
                android:layout_toLeftOf="@+id/dialpad_btn"
                android:textSize="12sp"
                android:visibility="gone"
                android:textColor="@color/white" />

        <ImageButton
            android:id="@+id/dialpad_btn"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:layout_centerVertical="true"
            android:layout_marginRight="10dp"
            android:background="@null"
            android:src="@drawable/ic_action_dial_pad_light" />

    </RelativeLayout>

    <ToggleButton
        android:id="@+id/speaker_toggle"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:textOn=""
        android:textOff=""
        android:background="@drawable/toggle_speaker_selector"
        android:layout_alignParentBottom="true" />

</RelativeLayout>