Sonata Switchboard is an application through which you can monitor in real time all the activity in your PBX.
Sonata Billing is a system through which you can rate all calls from your PBX. Allowing summary and detail reports to be generated.
Sonata Recording Management is a software through which you can manage the recordings of your PBX.
Sonata Communicator is a specialized Call Center Softphone, which includes options like, LogIn, LogOut, Pause, UnPausa, PickUp, etc.