ANNUAL MAINTENANCE SERVICE- VIDEO CONFERENCING, SYSTEM- Polycom GP 500; Polycom; OEM Authorised, Service Provider, ANNUAL MAINTENANCE SERVICE- VIDEO, CONFERENCING SYSTEM- Polycom GP 700 with PTZ camera, with additional Mic and Touch Panel; Polycom; OEM, Authorised Service Provider, ANNUAL MAINTENANCE, SERVICE- VIDEO CONFERENCING SYSTEM- Polycom GP 700, with PTZ camera and additional Mic; Polycom; OEM, with PTZ camera; Polycom; OEM Authorised Service Provider, SYSTEM- 40 or 43 inch Full HD LED Display Systems; LG or, Panasonic or Samsung; OEM Authorised Service Provider, SYSTEM- 49 inch Full HD LED Display Systems; LG; OEM, SERVICE- VIDEO CONFERENCING SYSTEM- 55 inch Full HD, LED Display System; LG; OEM Authorised Service Provider, SYSTEM- 65 inch Full HD LED Display System; LG; OEM