Unified Communication: Tele-Presence

Unified Communication: Tele-Presence

Video Conference: Audio and video conference over not a very good bandwidth network.

Tele-Presence: Using a very high definition video conferencing with excellent quality of sound and video. Also, the positioning of chairs and tables in the room is taken into consideration. Virtual presence can also be felt on the right or left side of you. Yes, very advance form of video conference.

Types of Tele-Conference:

1. Personal- where a person on laptop or television is available.

2. Room tele-presence- A large television in the room and more than 1-2 person having on tele-presence with similar group on the other side.

3. Immersive tele-presence- Is advanced form of tele-presence, where people of different location comes on different TV in a large room, may be.

4. Fully immersive tele-presence- Is where alignment of table and chairs are also taken into consideration. TV or other screens are placed in such a manner that it feels like round table conference or similar. Audio is stereo and can be felt as if person from right and left is speaking.

All tele-presence uses SIP or H.323 as the standard prtocol for audio-visual communication. Of these SIP is mostly used these days.

Minimum bandwidth required for tele-presence is not less than 15-20mbps.

Implementation cost of tele-presence may vary from $9000 to $500000 depending on the type of tele-presence is being used.

**Source: PC World- April 2009