Northern Ireland’s Leading Telecoms Provider

Landline Services

Future-proof business landline services


We have been servicing businesses across the UK for 25 years. Our experience in landline services is vast and we have a variety of customer ranging from sole traders to global companies.

We have an in-house team of landline engineers and dedicated support services for our customers including out of hours support.

Our Landline Services:

Hosted VoIP

A fully-hosted landline service that sits in the cloud and gives your business the flexibility to scale as you need, get detailed call statistics and communicate across multiple platforms. All services are managed by us, taking the pressure of your in-house resources.


A landline system that resides on your business premises. All hardware and connectivity remains on-site and is managed by your internal team. Ideal for businesses wanting who have recently invested in a new system but want the features of a hosted solution.


The next step in moving from a traditional landline system to a VoIP platform. SIP trunks replace your traditional ISDN & PTSN lines to give your business access to future-proof features.

Lines & Calls

Our goal is to make sure business stay connected. Whether that’s to their customers, supplier or employees, we want to make sure that businesses have continuity of service. If you still require PSTN, we offer market-leading line rental and call bundle rates to make sure your costs stay low and service levels stay high.

Our Landline Services Partners

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What our clients say

“The Barclay team have been trusted suppliers, across several solutions to Wilsons Auctions for many years. Their attention to detail, clear price delivery and exceptional service meant Barclay were an easy choice as our new VoIP supplier.

“As we have become more reliant on our landline system it was imperative that everything ran smoothly and efficiently.”

– John Ardill General Manager of Wilsons Auctions

“Barclay Communications gave me the confidence to move to a cloud-based system,” says Gary. “We currently have 150 members of staff using the new Gamma Horizon system.

“Early in the process, we were assigned a Project Manager who, at every step of the way, guided us from planning through to delivery of the system.”

– Gary Agnew of Camden Group

“Barclay VoIP has given freedom to our out of office sales and contracts teams providing them with instant access to back office support, just like they were based in the office next door.

“VoIP offers us more than just voice, with a wide selection of additional features, such as video conferencing and BMS integration.”

– Simon Ferguson, Associate HR Director at NK Group