Site survey

Done at the location for a new WLAN in an effort to avoid what could be time-consuming and costly problems down the road. It involves diagramming the network, checking the building and testing the equipment.

SMS

Short Message Service allows the transmission of short text messages among mobile devices such as cell phones, fax machines and BlackBerry devices. Messages -- up to 160 alphanumeric characters but not containing images or graphics -- appear as text on the display screen of the receiving device. It works with GSM networks.

SSI