+ return number
+
+
+def set_sane_callback(backend):
+ """
+ Try to set a sane default callback number on these preferences
+ 1) 1747 numbers ( Gizmo )
+ 2) anything with gizmo in the name
+ 3) anything with computer in the name
+ 4) the first value
+ """
+ number = get_sane_callback(backend)
+ backend.set_callback_number(number)