Bluecube provide legacy analogue and ISDN2/ISDN30 digital telephony and are experts in next generation business voice solutions. Silverline from Bluecube opens up a world of possibilities when it comes to replacing or upgrading your business voice systems. Silverline is rich in functionality and provides a future proof solution for your business at great value. Bespoke packages and call bundles ensure more effective cost management and using the solution is simple through our Unity desktop call management software.

Upgrading to Silverline means you’ll have a phone system that never gets old:

  • Automatic feature and firmware upgrades
  • Regular handset upgrades
  • Unlimited users and scalability options



What do your clients hear when they call in or are placed on hold? Bluecube provide professional phone system recordings to enhance your client's experience and give your business a unique edge. Bluecube can also advise on bespoke script writing to record the perfect welcome, on-hold, out-of-hours and voicemail messages.


Click on the manufacturer logos below to view some of the devices available to use with our cloud voice services. For more information and pricing please contact Bluecube on 01522 717750 pressing option 2 for enquiries.

(Click the logos above for more handset information)

Our Services

Hosted Voice (VoIP)

Hosted Voice (VoIP)

Silverline is ideal for businesses of any size. Add or remove users and features to support your organisation as it grows and changes.



Bluecube provide single or multi analogue lines on highly competitive tariffs.

Digital (ISDN)

Digital (ISDN)

Bluecube can provide multi-channel phone lines over ISDN2e and ISDN30e services with great tariffs available.



We provide business grade devices from brands including CISCO, Yealink, Polycom and LG Ericsson (iPECS).

Future Proof

Invest in a system that can grow and adapt as your business changes and grows.

Disaster Recovery

Bluecube's next-generation services implement built in Disaster Recovery actions so you never miss calls.

Call Management

Bluecube’s online portal serves real time stats for management, reporting and training.

Remote Working

Unity software for Silverline increases productivity across businesses with multiple sites and remote workers.

Credit Locking

Hacking defence and anti-fraud protection give you peace of mind about unexpected disasters.


Desk phones, wireless (DECT) phones, PC & Mac soft phones, smart phones and tablet applications allow full customisation for your business.

Why choose Bluecube

24/7 Service Desk

The Bluecube service desk is available 24/7 via phone, web or email. We log and track support, billing and sales tickets to ensure a fast and reliable service.

One Support Team & One Bill

Bluecube clients enjoy multiple services across multiple carriers but supported by one team and billed on a single invoice.

Value Guarantee

Bluecube have access to all major UK carriers and can source the most competitive pricing for the services you require.

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