White Label

With Colt, you can grow your business by offering more products, more rapidly, with only limited investment.

Number Hosting

If you operate your own VoIP platform, our Number Hosting service enables you to build, integrate and sell your own solutions under your own brand.

IN over Carrier VoIP

IN VoIP services in 13 European countries over our award-winning network.

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+44 (0) 20 7863 5510

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