Skype is a free VoIP (voice over Internet Protocol) application for a number of operating systems and mobile platforms. Using Skype, you can make free or discounted phone calls all over the world with an Internet connection. If you're experiencing call quality issues while using Skype, you can make adjustments to improve your reception. In turn, you should have clearer audio, less lag and fewer drops while making Skype calls.

WebEx is a conference call application for your computer developed and provided by Cisco. Sharing your documents as well as your video image are a few of the advantages of using the WebEx service to facilitate your conference calls. Cisco charges a monthly subscription fee. However, you can get a free 14-day trial period to try it out. After signing up with Webex, setting up a Webex conference call is simple.

Skype is a Voice over Internet Protocol (VOiP) service that you can set up on your PC to receive free calls from other Skype members. Once you download and install the Skype program on your PC, you can make and receive calls from other Skype members. Skype also allows you to send and receive text and instant messages, transfer files, screen share, and make conference and video calls. Skype offers both paid and free services.