Company FLUX TECNOLOGIA LTDA created these great apps:
Fluxphone, Fluxphone, Fulltel Phone, FIPCORP, TSInfo, Viax Phone, Pontual Phone, Serrasulphone, ExperIP, JT Phone, ClickVoice, Vox Phone, Flue Voz Digital, Fale Mundo, STARCALL, NexoPhone, and others..