Landline (PSTN) services

Our UK and International Landline services range from ISDN30 services for demanding sites as well as ISDN2 for small branches and home/remote workers.

Landline (PSTN) services 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.


An engineer is available, all day, everyday

99% service level agreement

Because we are confident in our products

Built in disaster recovery

Built on FluidOne’s self-healing core

No hidden charges

Simple and clear billing


Works with digital/IP solutions

PSTN Services

We supply Single and Multi-line PSTN – (Public Switched Telephone Network) services for use with traditional PBX, fax systems, lift and alarm monitoring solutions; and DSL and FTTC broadband services. We also have in place service maintenance levels for your preferred solution and to best suit your requirements.

ISDN Services

BT Openreach ISDN2 and ISDN30 allows you to connect any size traditional PBX system, with the advantage of rich-feature capabilities, such as DDI’s (Direct Dial-In’s). We also have in place service maintenance levels for your preferred solution and to best suit your requirements.

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+, 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 Landline (PSTN) services

Is the clock ticking for ISDN?

Posted on 30th November 2015

Integrated Services of Digital Network (ISDN) was the standard way of transmitting data (including voice and video) for many years. By using this system, people could get a better quality connection via traditional copper phone lines.

But what purpose does ISDN have in a world driven by high-speed internet?...

Keep reading ›

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...

Keep reading ›

Is this the end of the Landline?

Posted on 4th July 2014

This week the Joseph Rowntree Foundation published their annual report which determines the amount of income and basic necessities needed by households in order to have what they term an ‘adequate standard of living’. The Foundation claim that along with being able to realistically afford food, transport and childcare, households...

Keep reading ›

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