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.
One such possibility is Voice over IP (VoIP) on 802.11 networks. VoIP on wireless networks leverages existingor planned infrastructure while providing a unique instant communications solution for mobile in-building/on-campus workers.