If you internet connection speed is low or if the internet is busy, internet audio-video communication is choppy. That situation may change in the future. The best use of internet communication software may be for text and whiteboard communication besides a live phone call. The latter may require two phone lines. One for internet access and another for voice if you do not have cable or dsl access.
Communication is best for people who like to chat and exchange ideas in general or on a topic.
You may master the use of internet communication software but before you do you should be a chatter - someone who likes to talk online or off. Only if need-be. If an equation or formula has a name use it. Arithmetic and algebraic expressions are best named and then remembered or thought of silently. Arithmetic and algebraic expressions are slow and difficult to read aloud precisely and clearly.