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[![Integra Networks](/assets/integra-logo-C3q8Ehve.svg)](/)

Services

Sectors

[Insights](/insights)[Customers](/customers)[Contact](/contact)

[Availability Checker](/check)

![Unified communications collaboration](/assets/unified-comms-hero-BXJ-fH1R.webp)

[Connectivity Unified Communications ](/)

# Hosted VoIP, PSTN Replacement.

PSTN switches off January 2027. Teams integration, call routing, voicemail-to-email, and PSTN backup. Deployed in 10 working days.

[Talk to Us](/contact)

Unified Communications

## No big upfront costs.

Handsets, softphones, and setup all included. Scale up or down as needed — you only pay for what you use. Works with your existing broadband or our connectivity.

### Works From Any Device, Anywhere

Call, meet, message from any device. Your team stays productive whether they're in the office, at home, or on site. One app, one number.

### Seamless Migration

We build your communication network off-site and switch you over in one go. Port your existing numbers, keep your call flow, zero disruption.

### PSTN-Ready Before 2027

The UK PSTN network switches off January 2027. Move to cloud VoIP now — call recording, IVR, voicemail-to-email, and Teams integration included.

## Deployed in days. Simple to use.

We understand most businesses want a phone system that just works. No complicated setup, no IT degree required. We handle configuration off-site and deploy everything in a single visit.

![Web conferencing deployment](/assets/unified-comms-deploy-CiPDNMfZ.jpg)

![Contact Centre as a Service](/assets/unified-comms-ccaas-DN6IeDnt.jpg)

## Contact Centre as a Service

Our Contact Centre Solutions grow with your business. As a cloud-based solution, scaling up or down is simple. You only pay for what you use, making it incredibly cost-effective.

## Frequently Asked Questions

### What is unified communications?

Unified communications is a system that integrates various communication tools such as voice, video, messaging, and email into a single platform, facilitating seamless collaboration among teams, regardless of their location.

### How does your platform support remote work?

Our platform provides a comprehensive suite of communication tools accessible from any device, anywhere, allowing teams to stay connected and productive.

### How quickly can your solution be deployed?

Our solution is designed for quick and easy deployment. We offer a straightforward solution for businesses looking to transition to unified communications, one step at a time.

### What is Contact Centre as a Service (CCaaS)?

CCaaS is a cloud-based customer service solution allowing businesses to manage contact centre operations without large upfront investments, offering scalability and flexibility.

Related Services

## Explore what else we can do for you.

Explore our full range of connectivity solutions.

[

### Leased Lines

Dedicated, high-bandwidth connectivity for enterprise use.

Learn More 





](/leased-lines)

[

### Business Wi-Fi

Professional mesh networks for commercial properties.

Learn More 





](/business-wifi)

[

### Integra SD-WAN

Secure, intelligent networking for organisations.

Learn More 





](/integra-sd-wan)

## Get a phone system quote.

PSTN switches off January 2027 — start your migration now.

[Talk to Us](/contact)

## Let's see what we can do for you

Business connectivity in 10 working days — wherever fibre can't reach.

[Let's talk](/contact)

[![Integra Networks](/assets/integra-logo-white--jcfSj7m.png)](/)

Integra Networks — business connectivity, no fibre needed.

#### Connectivity

-   [Integra SD-WAN](/integra-sd-wan)
-   [Integra Bridge](/integra-bridge)
-   [Starlink Installation](/starlink-installation)
-   [Managed SIM Services](/managed-sim-services)
-   [Pricing](/pricing)

#### Standard Connectivity

-   [Leased Lines](/leased-lines)
-   [Managed Internet](/managed-internet)
-   [SoGEA Broadband](/sogea)
-   [4G/5G Backup](/cellular-backup)
-   [Business Mobiles](/business-mobiles)

#### Solutions

-   [Business Wi-Fi](/business-wifi)
-   [Unified Communications](/unified-communications)
-   [Managed Firewall](/managed-firewall)
-   [Business Continuity](/business-continuity)

#### Infrastructure

-   [CCTV](/cctv)
-   [Wireless Distribution](/wireless-distribution)
-   [Network Infrastructure](/network-infrastructure)

#### Company

-   [Customer Stories](/customers)
-   [Wholesale](/wholesale)
-   [Contact](/contact)
-   [Support](/support)

#### Resources

-   [Availability Checker](/check)

#### Talk to Us

[connect@integra-networks.co.uk](mailto:connect@integra-networks.co.uk)[0203 388 7111](tel:02033887111)

[](https://www.instagram.com/integra_networks)[](https://www.facebook.com/IntegraNetworksUK)

86–90 Paul Street

London, EC2A 4NE

ICO registered UK GDPR compliant 

© 2026 Integra Networks Limited. All rights reserved. 

[Privacy Policy](/privacy-cookies)[Terms](/terms)[SLA](/sla)

Company No. 13467217 

[Call Us ](tel:02033887111)[Check Availability ](/check)