HD refers to a video system of higher resolution than standard definition (SD) video, most commonly at display resolutions of 1280×720 (720p) or 1920×1080 (1080i or 1080p).
A technology that enables highly life-like, face-to-face interactions to occur between individuals and groups over distance. It is characterised by high definition video, audio and content.
The teleconferencing market is becoming more democratic. The public is largely equipped with ADSL technology and becomes familiar with the use of webcams, to see, hear and speak to people in a distant place.
Unified communications or UC is a process that integrates all communication services, devices and media, allowing users to connect with anyone from anywhere in real time.
Communication technologies have a crucial part to play, especially now that virtually all organisations are basing their management and business strategies on values like responsiveness, immediacy and flexibility