Make and receive high quality voice and data calls to and from local, national, international, non-geographic and mobile numbers.

Colt telephony offers you ease of management and value-for-money, all from one provider. We work with you to create a comprehensive voice service the way you want it, backed by comprehensive SLAs.

Our team will help you choose the best voice products for your business, whether you need traditional ISDN lines or have embraced Voice over IP, or are in transition.

Traditional telephone lines and calls

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Voice Line

For sites generating large amounts of telephony traffic, we offer a direct connection to the voice network.

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Voice Connect

For smaller sites, we will carry your calls using carrier pre-selection (CPS) or carrier selection (call-by-call).

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VoIP Access

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All the benefits of traditional telephony, delivered over an IP connection

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