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Fixed Line Tariffs

Fixed Telephone Line Tariffs


CDI Group offers an extensive range of voice/data connectivity products and services.

Our solutions have been developed to address business challenges, such as cost reduction, improved performance and business growth.

Our products can help you improve the efficiency of your business and meet the needs of your customers, both now and in the future.

CDI Group will help customers to take full advantage of the very latest communications technology.

Our voice/data product offerings are as follows;

Superfast Fibre Access

High Bandwidth Ethernet

Lease Line Circuits

ISDN30 Circuits

ISDN2 Circuits

ADSL Circuits

PSTN Circuits


CDI Group will help you to determine the correct voice/data connectivity product for your company.

Our project management team can bring vital knowledge of what works and what doesn’t, before you even take on a contract.

Our voice/data connectivity product experts can help you identify your business needs and mitigate the potential risks.


Business Benefits

Network Services are available within the UK, Europe and Worldwide.

Our Network Services are Integrated, providing the Total Solution.

Full Compliance to CDM Regulations and Applicable Legislation.

Experience in All Vertical Markets and Industry Sectors.

All Customers will have a Dedicated Account Manager.

Over 70 Directly Employed CSCS Qualified Engineers.

White Label Services available for System Integrators.

Bespoke Framework and Service Level Agreements.

24x7x365 SLA Maintenance Contracts.


Why CDI Group?

100 Directly Employed Staff including Project Managers and Engineers.

Certified by BSI to ISO 9001 Quality Management Standard.

30 Years Plus Experience in Data and Telephone Networks.

Certified by the World’s Leading Cabling Manufactures.

NICEIC Approved Contractor – ECA Members.

Constructionline Approved Contractor.

SafeContractor Approved Contractor.

Prince2 Qualified Project Managers.

CHAS Approved Contractor.