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Voice, data and mobile products and packages for your business

Here at LJT Systems Ltd we offer voice, data and mobile products for all organizations. With products to suit small, medium or large businesses, we are sure to have you covered for all your communications needs.​

We offer a large range of services, from money saving line rental packages and calling right through to IP cloud hosted phone systems. ​

LJT Systems Ltd also offer tailored mobile solutions to suit your business requirements. ​

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Are you ready to take your business telephony needs to the cloud?


Cloud based systems offer more robust and reliable systems to suit your needs.​​

With one of our cloud-based telephony options you know you will be on the right path to reduced cost, higher availability and a better all-round experience for your clients.​​

Hosted telephony, in simple terms, means hosting your business telephone service in the cloud using internet services instead of a traditional telephone line.​​

By switching to cloud-based telephony you open up a whole range of access options from mobile devices to IP handsets.​​

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What makes LJT Systems Ltd mobile services different?

LJT Mobile for business packages are from the most reliable mobile data service in the UK. Working with major mobile providers to get you truly fast data connections.

As well as the best mobile data services we also offer a great range of advanced features and high end 5G.​


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As your business applications move more and more into the cloud, it is now more important than ever that you are able to connect to them reliably and with fast broadband speeds.


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What is a leased line and ethernet service?

Leased lines/ethernet services allow you to reduce the cost of your private networking while at the same time improving the quality of service and support on your networks.

We only offer the most robust, uncontended business class connections for your voice and data traffic.​

Connect to our extensive next generation network and receive dedicated, low latency and high availability services, with full resilience, supported by robust, end-to-end SLAs that include top class UK-based support.​

High capacity and flexible connectivity
Dedicated, uncontended bandwidth
Voice and data convergence
Managed router
Service Level Agreements
Resilient failover
Maximize productivity


We offer CAT5 and CAT 6 structured cabling to install or upgrade your network.

This includes Office moves and changes as well as Voice Over IP.

We can project manage the whole process from consultation through to connect and testing.


SIP Trunk Diagram

What is a SIP trunk?

It is a virtual link between your PBX (Private Branch Exchange) and PSTN (Public Switched Telephone Network) using a broadband internet connection.

Sip Trunking is designed to replace traditional phone lines which are soon to be phased out in 2025.


Fully managed Wi-Fi is just that – fully managed.

With our wireless solutions, you can:

  • Help safeguard the security of your network and circumvent malicious attacks.
  • Create and sustain diverse profiles for countless classes of users, including guest internet.
  • Keep your network optimized and your users connected at all times.
  • Maintain safe cabling standards.
  • Implement multiple Wi-Fi access.
  • Options including POE saving energy power, auto-roaming, and bandwidth management.

You deserve services that will ensure that all your wireless needs are dealt with, irrespective of the device in question.

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At LJT Systems Ltd., it’s all about transparency and trust. We work with your team to find a solution, at a price that works for you.