diff --git a/res/drawable-xhdpi/chat_group_informations.png b/res/drawable-xhdpi/chat_group_informations_default.png
similarity index 100%
rename from res/drawable-xhdpi/chat_group_informations.png
rename to res/drawable-xhdpi/chat_group_informations_default.png
diff --git a/res/drawable-xhdpi/contact_add.png b/res/drawable-xhdpi/contact_add_default.png
similarity index 100%
rename from res/drawable-xhdpi/contact_add.png
rename to res/drawable-xhdpi/contact_add_default.png
diff --git a/res/drawable-xhdpi/delete.png b/res/drawable-xhdpi/delete_default.png
similarity index 100%
rename from res/drawable-xhdpi/delete.png
rename to res/drawable-xhdpi/delete_default.png
diff --git a/res/drawable-xhdpi/edit_list.png b/res/drawable-xhdpi/edit_list_default.png
similarity index 100%
rename from res/drawable-xhdpi/edit_list.png
rename to res/drawable-xhdpi/edit_list_default.png
diff --git a/res/drawable-xhdpi/menu.png b/res/drawable-xhdpi/menu_default.png
similarity index 100%
rename from res/drawable-xhdpi/menu.png
rename to res/drawable-xhdpi/menu_default.png
diff --git a/res/drawable-xhdpi/menu_disabled.png b/res/drawable-xhdpi/menu_disabled.png
index afe4c19b0..072589694 100644
Binary files a/res/drawable-xhdpi/menu_disabled.png and b/res/drawable-xhdpi/menu_disabled.png differ
diff --git a/res/drawable-xhdpi/options_add_call.png b/res/drawable-xhdpi/options_add_call_default.png
similarity index 100%
rename from res/drawable-xhdpi/options_add_call.png
rename to res/drawable-xhdpi/options_add_call_default.png
diff --git a/res/drawable-xhdpi/options_start_conference.png b/res/drawable-xhdpi/options_start_conference_default.png
similarity index 100%
rename from res/drawable-xhdpi/options_start_conference.png
rename to res/drawable-xhdpi/options_start_conference_default.png
diff --git a/res/drawable-xhdpi/options_transfer_call.png b/res/drawable-xhdpi/options_transfer_call_default.png
similarity index 100%
rename from res/drawable-xhdpi/options_transfer_call.png
rename to res/drawable-xhdpi/options_transfer_call_default.png
diff --git a/res/drawable-xhdpi/resizable_assistant_button.9.png b/res/drawable-xhdpi/resizable_assistant_button_default.9.png
similarity index 100%
rename from res/drawable-xhdpi/resizable_assistant_button.9.png
rename to res/drawable-xhdpi/resizable_assistant_button_default.9.png
diff --git a/res/drawable-xhdpi/route_bluetooth.png b/res/drawable-xhdpi/route_bluetooth_default.png
similarity index 100%
rename from res/drawable-xhdpi/route_bluetooth.png
rename to res/drawable-xhdpi/route_bluetooth_default.png
diff --git a/res/drawable-xhdpi/route_earpiece.png b/res/drawable-xhdpi/route_earpiece_default.png
similarity index 100%
rename from res/drawable-xhdpi/route_earpiece.png
rename to res/drawable-xhdpi/route_earpiece_default.png
diff --git a/res/drawable-xhdpi/route_speaker.png b/res/drawable-xhdpi/route_speaker_default.png
similarity index 100%
rename from res/drawable-xhdpi/route_speaker.png
rename to res/drawable-xhdpi/route_speaker_default.png
diff --git a/res/drawable-xhdpi/valid.png b/res/drawable-xhdpi/valid_default.png
similarity index 100%
rename from res/drawable-xhdpi/valid.png
rename to res/drawable-xhdpi/valid_default.png
diff --git a/res/drawable/assistant_button.xml b/res/drawable/assistant_button.xml
index 1d6cbee82..6dd7bfb0d 100644
--- a/res/drawable/assistant_button.xml
+++ b/res/drawable/assistant_button.xml
@@ -5,6 +5,6 @@
+ android:drawable="@drawable/resizable_assistant_button_default" />
diff --git a/res/drawable/camera_button.xml b/res/drawable/camera.xml
similarity index 100%
rename from res/drawable/camera_button.xml
rename to res/drawable/camera.xml
diff --git a/res/drawable/chat_group_informations.xml b/res/drawable/chat_group_informations.xml
new file mode 100644
index 000000000..efd354b8c
--- /dev/null
+++ b/res/drawable/chat_group_informations.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
diff --git a/res/drawable/chat_room_creation_confirm.xml b/res/drawable/chat_room_creation_confirm.xml
index 4ed8dd63b..43da7ea12 100644
--- a/res/drawable/chat_room_creation_confirm.xml
+++ b/res/drawable/chat_room_creation_confirm.xml
@@ -1,7 +1,7 @@
+ android:drawable="@drawable/valid_default" />
diff --git a/res/drawable/contact_add_button.xml b/res/drawable/contact_add.xml
similarity index 80%
rename from res/drawable/contact_add_button.xml
rename to res/drawable/contact_add.xml
index c688770db..dc67799c5 100644
--- a/res/drawable/contact_add_button.xml
+++ b/res/drawable/contact_add.xml
@@ -3,6 +3,6 @@
+ android:drawable="@drawable/contact_add_default" />
diff --git a/res/drawable/delete_button.xml b/res/drawable/delete.xml
similarity index 81%
rename from res/drawable/delete_button.xml
rename to res/drawable/delete.xml
index e70740455..fc8292837 100644
--- a/res/drawable/delete_button.xml
+++ b/res/drawable/delete.xml
@@ -3,5 +3,5 @@
+ android:drawable="@drawable/delete_default" />
diff --git a/res/drawable/edit_list_button.xml b/res/drawable/edit_list.xml
similarity index 79%
rename from res/drawable/edit_list_button.xml
rename to res/drawable/edit_list.xml
index d53758283..dcd5230cc 100644
--- a/res/drawable/edit_list_button.xml
+++ b/res/drawable/edit_list.xml
@@ -3,5 +3,5 @@
+ android:drawable="@drawable/edit_list_default" />
diff --git a/res/drawable/menu_burger.xml b/res/drawable/menu.xml
similarity index 82%
rename from res/drawable/menu_burger.xml
rename to res/drawable/menu.xml
index 1a8ea79ab..4e9c8df94 100644
--- a/res/drawable/menu_burger.xml
+++ b/res/drawable/menu.xml
@@ -3,5 +3,5 @@
+ android:drawable="@drawable/menu_default" />
diff --git a/res/drawable/micro.xml b/res/drawable/micro.xml
index 1780f755d..8570c32c3 100644
--- a/res/drawable/micro.xml
+++ b/res/drawable/micro.xml
@@ -1,6 +1,6 @@
-
diff --git a/res/drawable/options.xml b/res/drawable/options.xml
new file mode 100644
index 000000000..863f137ac
--- /dev/null
+++ b/res/drawable/options.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
diff --git a/res/drawable/options_add_call_button.xml b/res/drawable/options_add_call.xml
similarity index 79%
rename from res/drawable/options_add_call_button.xml
rename to res/drawable/options_add_call.xml
index 83a0120bc..9fb115ad4 100644
--- a/res/drawable/options_add_call_button.xml
+++ b/res/drawable/options_add_call.xml
@@ -3,5 +3,5 @@
+ android:drawable="@drawable/options_add_call_default" />
diff --git a/res/drawable/options_start_conference_button.xml b/res/drawable/options_start_conference.xml
similarity index 77%
rename from res/drawable/options_start_conference_button.xml
rename to res/drawable/options_start_conference.xml
index b04e79480..56c2ff309 100644
--- a/res/drawable/options_start_conference_button.xml
+++ b/res/drawable/options_start_conference.xml
@@ -3,5 +3,5 @@
+ android:drawable="@drawable/options_start_conference_default" />
diff --git a/res/drawable/options_transfer_call_button.xml b/res/drawable/options_transfer_call.xml
similarity index 78%
rename from res/drawable/options_transfer_call_button.xml
rename to res/drawable/options_transfer_call.xml
index 4ba682b61..a02c56ed0 100644
--- a/res/drawable/options_transfer_call_button.xml
+++ b/res/drawable/options_transfer_call.xml
@@ -3,5 +3,5 @@
+ android:drawable="@drawable/options_transfer_call_default" />
diff --git a/res/drawable/resizable_assistant_button.xml b/res/drawable/resizable_assistant_button.xml
new file mode 100644
index 000000000..4fa102bfb
--- /dev/null
+++ b/res/drawable/resizable_assistant_button.xml
@@ -0,0 +1,9 @@
+
+
+
+
+
+
diff --git a/res/drawable/route_bluetooth.xml b/res/drawable/route_bluetooth.xml
new file mode 100644
index 000000000..153c218db
--- /dev/null
+++ b/res/drawable/route_bluetooth.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
diff --git a/res/drawable/route_earpiece.xml b/res/drawable/route_earpiece.xml
new file mode 100644
index 000000000..ecbec5c61
--- /dev/null
+++ b/res/drawable/route_earpiece.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
diff --git a/res/drawable/route_speaker.xml b/res/drawable/route_speaker.xml
new file mode 100644
index 000000000..136cc9f71
--- /dev/null
+++ b/res/drawable/route_speaker.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
diff --git a/res/drawable/speaker.xml b/res/drawable/speaker.xml
index ac67e2924..ec5f9c595 100644
--- a/res/drawable/speaker.xml
+++ b/res/drawable/speaker.xml
@@ -1,6 +1,6 @@
-
diff --git a/res/drawable/valid.xml b/res/drawable/valid.xml
new file mode 100644
index 000000000..4ad5c5858
--- /dev/null
+++ b/res/drawable/valid.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
diff --git a/res/layout-land/call_outgoing.xml b/res/layout-land/call_outgoing.xml
index 656abcbeb..1227a7a94 100644
--- a/res/layout-land/call_outgoing.xml
+++ b/res/layout-land/call_outgoing.xml
@@ -116,7 +116,7 @@