Additionally, Rohit's SEO expertise allows him to create blogs, case studies, and white papers that not only drive traffic but also generate leads. Check out the best internet calling apps: CallHippo, RingCentral primarily sells business communications services, but also offers a free video conferencing app called RingCentral Video Pro. The app includes a nice range of features, including screen sharing. 11. Dixa. Dixa is a simple-to-set-up contact center that works entirely in a web browser. Featuring advanced call distribution and caller recognition algorithms, Dixa is a modern solution designed to improve the customer and contact center administrator experience.