Customization of linphone Android

Customization of linphone 1.) Customization of linphone images with what we provide (this can be done at last) 2.) Remove the settings button from linphone screen, customers cannot edit settings. 3.) Domain name is fixed with proxy is fixed with ip and when the customer open linphone it must ask for a username and password and when entered it must be taken as the username and password in settings 4.) Adding the codec g729 5.) We should be able to edit the network and advance settings and compile different versions For example in settings > advance we can change display name and username and compile 6.) Call a URL and show the balance on top of the screen