SIP Trunks

Forget ISDN. Connect your PBX to the PSTN in minutes

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Why UKBTS

Own network

We operate own network, so know everything about connectivity and trunking.

Resilient and secure

We are ISO certified and take our network security and resilience seriously.

Trusted by thousands

Thousands of UK SMEs rely on us for secure and cost-effective SIP trunks every single day.

What are SIP Trunks?

Designed to replace traditional phone lines, SIP Trunks use broadband internet connections to connect your business phone system to the traditional phone network.

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Pricing

These prices are based on one channel.
Talk to one of our consultants to get a bespoke price for your organisation.

SIP Trunk

£2.00/Monthly

One Channel Included


24/7 Monitoring
99.99% Uptime
Expert UK Support

Order

SIP Trunk & Bundle

£6.99/Monthly

One Channel Included
Bundled Minutes

24/7 Monitoring
99.99% Uptime
Expert UK Support

Order

Trusted By

Specialist SIP Products

As well as our standard SIP Trunks, we also offer bespoke services for businesses around the UK.

High Volume

Dedicated SIP Trunks for call centres and high volume callers

Direct Routing

Use Microsoft Teams as your PBX with our SIP Trunks

3CX SIP

Dedicated SIP Trunks designed to integrate with 3CX

Want to sell our SIP Trunks?

We offer a partner programme for a range of resellers.

FAQs

How does high volume SIP differ from the normal SIP Trunks?

High-volume SIP Trunks run on a separate dedicated platform built for high volumes of traffic and CAPS. This allows you to use the volumes you want without any issues.

How long will porting my number take?

Porting numbers can take up to two weeks depending on how many you have! We will request it as soon as possible and inform you when your number has been ported.

Simply give our team a call on 0333 358 0194 and they will be able to get this sorted for you in minutes.

Not at all! You can have as many as you like from as many locations as you want.

Built in the UK, we have a team of over 20 developers who are constantly evolving and advancing our technologies. With a range of packages to suit your business needs, you can tailor our products and services to suit your business needs and demands.

Gradwell has a wide range of connectivity options available that are suitable for running our SIP trunking services over. In just a few questions, our team will be able to advise which connectivity option is suitable for your business.