Shoot-'em-up definition, a motion-picture or television program that emphasizes gunplay, action, and often violence. See more.
What is VoIP: Useful Terms. VoIP refers to a way to carry phone calls over an IP data network, whether on the Internet or your own internal network. A primary attraction of VoIP is its ability to help reduce expenses because telephone calls travel over the data network rather than the phone company's network.
Skype is an internet voice and video calling (VoIP) service that allows users to call and chat with other Skype users around the world free of charge. You can also use Skype to call mobile numbers landlines by purchasing Skype credits.