IP - Internet Protocol
TCP - Transmission Control Protocol
LAN - Local Area Network
WAN - Wide Area Network
MAN - Metropolitan Area Network
VoIP - Voice over IP
SIP - Session Initiation Protocol
MoIP - Mobile communication over IP
WiFi - Wireless Network
3G - 3rd Generation
4G - 4th Generation
SD - Secure Digital
TFT - Thin film transistor screen
LCD - Liquid Crystal Display
POE - Power over Ethernet
21CN - 21st Century Network
Telecare - Remote Care
PIR - Passive Infrared Sensor
CRM - Customer Relationship Management