With ISDN2e or ISDN30/30e you can enjoy exceptional line quality and fast and error free data transfer.

ISDN gives you crystal-clear voice-call quality, fast transmission and all the possibilities of a digital telephone system. ISDN2e is ideal for offices with 2-8 users, ISDN30/30e is for larger businesses.


ISDN2 lines are used for voice and data communications and start from 2 channels (lines). You can add further connections (in pairs) up to 8 channels which increases the number of simultaneous connections and or available bandwidth. It also means as your business grows, your communications will grow with you.

For further details please contact: kenneth@unitedbusinesstelecoms.co.uk

ISDN30 allows you to connect between eight and thirty 64k channels (lines). These can all either be used separately, allowing multiple calls to be made and taken or combined to increase bandwidth. ISDN30 connections can also be used with a digital switch or phone systems to manage your calls more effectively.