The BT Quantum phone system is no longer supported by BT Business. Support ended on 30 September 2025, and we won't update this page if anything changes with the product.
If you're looking for a replacement system, check out all our cloud-based phone systems.
You can record personalised Auto Attendant messages on your BT Quantum, with different greetings for Day Service and Night Service.
To customise the Auto Attendant message from the programming extension: