Business Telephone Systems

Great Value Business telephone systems, mobiles and line rental are what we do at Criterion. We streamline your systems and provide support to your business with a full technical support service, maintenance back-ups, advice and staff training. As a result we can save you time and money on telephony needs.

We work with small and medium sized enterprises from 4 to 1500 users. With a range of business telephone systems and ancillary solutions from Avaya, Nortel and more. Based near Manchester in Stockport, Criterion have a proud history of supporting business phone systems throughout the UK via a Group network.

We’re at the forefront of VoIP telephone system technologies and have solutions tailored for businesses, towards utilising voice over internet protocol (VoIP). Find out more about about VoIP technology and how it can help you.

Hosted, Hybrid and Pure IP business telephone systems are all available from Criterion Systems.

Criterion Mobile

No reliance on other networks, we own the core mobile network systems
No reliance on other networks, we access the core mobile network systems directly

Criterion Mobile is a service built exclusively for the UK business market. We use travel bolt-ons that are as flexible as your schedule. We offer a fixed/mobile convergence roadmap that prepares your business for the future and you’ll get a network provider with a focus on customer service excellence.

  • No reliance on other networks, we access the core mobile network systems directly
  • Our network is built for business only
  • Access to the biggest and most reliable data network in the UK
  • No consumer traffic during business hours
  • Business-centric voicemail service
  • 4G as standard
  • A fixed/mobile convergence roadmap

Line Rental

The combination of cheap telephone line rental, calls and ease of installation make our lines perfect for any size business.

  • Saving most companies around 20% on their line rental
  • Line installation and quality checking
  • Line project planning service
  • Free migration
  • Single point of contact, only one bill.

Testimonials and Featured Articles

Testimonials

"Criterion have played a critical role providing our communication systems for both Prosurv and for a number of schemes we ...
Read More
Avaya J179 Handset

Avaya introduce J100 Series Phones with IP Office 11 update

Avaya have recently announced their latest desktop handset, the J series. These new  multi-function phones work with the recently updated Avaya Office ...
Read More

1. What are you looking to do?

Set up a brand new telephone systemReplace an existing telephone systemExpand an existing phone system

2. How many phones do you require?

1-34-910-1920-4950+

3. When will you want the telephone system installed?

As soon as possibleWithin 3 monthsWithin 6 monthsLonger

4. Can you give anymore information to help us quote?

5. Final step

Your Name: (required)
Your Email: (required)
Your Company:
Your Telephone number: