Visual Calling Option is a term used to describe the use of Skype, a 5-letter communication software. Skype is a popular video and voice calling service that allows users to make calls over the internet. It is a great way to stay connected with friends and family, as well as for business meetings and conferences. Skype also offers instant messaging, file sharing, and other features. With Visual Calling Option, users can make video calls with up to 25 people at once.