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 a Voice over Internet Protocol (VoIP) system developed by Skype Technologies S.A. It is a peer-to-peer network in which voice calls pass over the Internet rather than through a special-purpose network.