isdn digital lines

ISDN (Integrated Services Digital Network) is a digital, business-only voice service offering crystal clear calls and greater cost efficiency. When you’re looking to get more from your voice solution, ISDN offers high quality telephony, seamlessly integrating with the public phone network.
ISDN2 provides up to 8 channels and ISDN 30 provides up to 30 channels

What are the benefits of our ISDN service?

  • Crystal clear call quality
  • Per second billing, no call connection fees and no minimum call charges
  • Keep your existing numbers
  • 12-month contract
  • Direct dial-in to all your numbers
  • Always connected, for fast and reliable communications
  • Paperless billing with all your calls shown on your Customer Portal, accessible 24 hours a day.

We can takeover services for clients to reduce their cost or provide enhanced services, such as VoIP, and if you fill in the form on our home page or contact our Sales Support team we'd be happy to offer a quote.

It's worth noting that in 2025, BT will be ceasing all ISDN services and will be moving over to VoIP and FTTP.


“Thanks, great service as usual”.

Yvonne Astley
Astley & Co

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