FluidOne's scalable SIP  services can support a small business needing a couple of voice channels through to a large enterprise requiring a bespoke solutions for thousands of channels.

SIP Key Features

Below is the wide range of high-quality key features that makes this product unique. It’s innovative and can be tailored to your individual business needs.

Market leading tariffs

Ultra-competitive call tariffs

Crystal clear call quality

Crisp, vibrant call quality


Make calls to anywhere in the world


Remove the need for a costly ISDN line

Typical activation 2–4 weeks

Managed by a dedicated Service Delivery team

Simple maintenance

No costly upgrades or hardware maintenance needed


Bring your business numbers with you

Single billing platform

One simple bill per month for all your calls


An engineer is available, all day, every day

Redundant core architecture

Secure, resilient and bespoke

What is it?

FluidOne’s SIP channels are a communication protocol that provide high-quality audio services over the Internet in place of legacy fixed lines. You can immediately benefit from a more flexible and resilient inbound and outbound phone service.

How it works?

FluidOne SIP channels connect your business to the Public Telephone Network (PSTN) through our own network, providing a less expensive and agiler replacement to traditional ISDN telephony services.

Our Guarantee

FluidOne focuses entirely on the interests of our customers and on the delivery of service excellence. Every service is backed by a tailored end-to-end Service Level Agreement (SLA) or SLA Plus, which captures and targets the essence of the service relationship. Continual monitoring ensures that performance levels are always maintained and reported on.

From our HUB on SIP

Do you know your SIP from your ISDN?

Posted on 20th November 2015

In the technology industry, we all love an acronym but do you know your SIP from your ISDN and which is best for your business? According to Wikipedia, Integrated Services for Digital Network (ISDN) is a set of communication standards for simultaneous digital transmission of voice, video, data, and other...

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VoIP is 40 years old?

Posted on 19th November 2015

Most people associate the beginning of Voice over IP (VoIP) with the introduction of mass-market services in late 2003 / early 2004. In reality, VoIP began a long time before that in the 1970s.

Back then it had another acronym, NVP, which stood for Network Voice Protocol. It was...

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SMEs need to embrace new technologies

Posted on 13th November 2015

We looked earlier in the week at the growth of Internet telephony. It is not hard to understand why so many businesses have taken it up given the cost savings involved. In the global economy in which we all now live and work, we have to be able to...

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