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Rainbow, your complete telecommunications partner

We are one of the UK's leading independent telecoms companies.

Find out how we can help you


    SIP Gateway to Greater Flexibility

    Nov 22

    SIP trunking is the fastest growing telephony service in the market. Its a cost-effective alternative to traditional ISDN, and a gateway to greater flexibility and resilience.

    Our dedicated Account Manager is someone with whom we entrust entirely. The reliability of service and constant open lines of communication makes Rainbow like no other telecoms provider. Modern Tyre Group

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    Some of our Clients