Having recently completed the installation our 40 user system, I must say I am have been extremely pleased with the outcome and support Opus provided throughout.
Libin Chandy
2020 Optical Store

For information on how to change the time of your telephone system, please follow the links to the appropriate manufacturer and system model.
This information is useful when adjusting the clock for daylight saving time or British Summer Time (bst) from Greenwich Mean Time (gmt).
If you have any questions, please call our support team on 020 8545 8545.