g_object_notify (G_OBJECT (call), "is-incoming");
g_object_notify (G_OBJECT (call), "contact");
g_object_notify (G_OBJECT (call), "status");
g_object_notify (G_OBJECT (call), "is-incoming");
g_object_notify (G_OBJECT (call), "contact");
g_object_notify (G_OBJECT (call), "status");