'Home', 'url' => 'https://omnitelecom.co.uk/'], ['name' => 'Services', 'url' => 'https://omnitelecom.co.uk/#services'], ['name' => 'IP Communications'], ]), schemaFAQ([ ['q' => 'What is VoIP and how does it work?', 'a' => 'VoIP (Voice over Internet Protocol) transmits phone calls over your internet connection instead of traditional copper phone lines. It converts your voice into digital data packets, delivering HD-quality calls at a fraction of the cost of traditional telephony. All you need is a stable broadband connection.'], ['q' => 'Can I keep my existing phone numbers?', 'a' => 'Yes. We port all your existing phone numbers — including geographic numbers (01/02), non-geographic numbers (03/08), and freephone numbers — to your new IP system. The process is seamless and typically takes 5-10 working days with no interruption to service.'], ['q' => 'What happens if my internet goes down?', 'a' => 'Our hosted PBX systems include automatic failover. If your internet connection drops, calls are automatically redirected to mobile numbers, voicemail, or an alternative site. We also recommend a backup broadband connection for business-critical environments.'], ['q' => 'Do I need new phones?', 'a' => 'Not necessarily. If you have existing SIP-compatible phones, they can often be reused. We also supply a full range of IP desk phones, conference phones, and DECT handsets from Yealink, Poly, and Cisco. Alternatively, softphone apps let your team use laptops and mobiles.'], ['q' => 'How much can I save compared to ISDN?', 'a' => 'Most businesses save 30-50% on their telephony costs after switching from ISDN to SIP trunking or hosted PBX. Savings come from lower line rental, cheaper call rates (especially international), and no maintenance costs for on-premise hardware.'], ['q' => 'Can VoIP integrate with Microsoft Teams?', 'a' => 'Yes. We offer Microsoft Teams Direct Routing and Teams Phone, allowing you to make and receive external phone calls directly within the Teams application. This creates a truly unified communications experience combining chat, video, and telephony in a single platform.'], ]), ]; require_once __DIR__ . '/../includes/header.php'; ?>

IP Communications

Modernise your business telephony with VoIP phone systems, SIP trunking, hosted PBX, and unified communications. Crystal-clear call quality, significant cost savings, and the flexibility to work from anywhere.

Get a Quote Our Solutions

Business Telephony Solutions

From simple SIP trunks to fully managed hosted phone systems, we have a solution for every business.

Hosted PBX

A fully managed cloud phone system with no on-site hardware to maintain. Auto-attendant, call queues, voicemail-to-email, and call recording included as standard.

SIP Trunking

Replace expensive ISDN lines with SIP trunks to reduce call costs by up to 50%. Works with your existing on-premise PBX and supports number porting.

VoIP Phone Systems

Feature-rich IP desk phones and softphones from Yealink, Poly, and Cisco. HD voice quality, video calling, and seamless integration with Microsoft Teams.

Unified Communications

Bring voice, video, messaging, and presence together in a single platform. Integrate with Microsoft Teams, CRM systems, and business applications.

The ISDN & PSTN Switch-Off

BT's traditional ISDN and PSTN telephone networks are being switched off by January 2027. If your business still relies on traditional phone lines, now is the time to plan your migration to a modern IP-based system.

Omni Telecom makes this transition simple. We assess your current setup, recommend the right IP solution, handle the migration, and ensure business continuity throughout. Don't wait until the deadline — businesses that switch early benefit from lower costs and better features immediately.

  • ISDN30, ISDN2, and analogue lines all affected
  • No new ISDN connections available since September 2023
  • We handle the full migration with zero downtime

Key Benefits of Switching to IP

  • Reduce call costs by up to 50% compared to ISDN
  • Scale lines up or down instantly — no engineer visits
  • Work from anywhere with softphones and mobile apps
  • HD voice quality and video conferencing built in
  • Advanced features: call recording, IVR, call analytics
  • Business continuity — calls route to mobiles if internet drops

Enterprise Features, Business Pricing

Every hosted PBX system includes these features as standard.

Auto-Attendant & IVR

Professional greetings and menu options route callers to the right department automatically, reducing wait times and improving customer experience.

Call Recording

Record inbound and outbound calls for training, compliance, and quality assurance. Recordings stored securely in the cloud with easy search and playback.

Call Queues & Groups

Distribute incoming calls across teams with ring groups, hunt groups, and call queues. Customise routing rules by time of day, caller ID, or department.

Voicemail to Email

Missed calls are captured as voicemail and delivered straight to your inbox as audio attachments. Never miss an important message again.

Mobile & Softphone Apps

Take your office extension anywhere with mobile and desktop softphone apps. Make and receive calls on your business number from any device.

Call Analytics & Reporting

Detailed dashboards showing call volumes, wait times, missed calls, and agent performance. Data-driven insights to optimise your telephony.

Ready to Upgrade Your Phone System?

Whether you're replacing ageing ISDN lines or setting up a brand new office, we'll design a telephony solution that fits your business perfectly. Free consultation and no-obligation quotes.

Get a Quote Call Us

Frequently Asked Questions

VoIP (Voice over Internet Protocol) transmits phone calls over your internet connection instead of traditional copper phone lines. It converts your voice into digital data packets, delivering HD-quality calls at a fraction of the cost of traditional telephony. All you need is a stable broadband connection.
Yes. We port all your existing phone numbers — including geographic numbers (01/02), non-geographic numbers (03/08), and freephone numbers — to your new IP system. The process is seamless and typically takes 5-10 working days with no interruption to service.
Our hosted PBX systems include automatic failover. If your internet connection drops, calls are automatically redirected to mobile numbers, voicemail, or an alternative site. We also recommend a backup broadband connection for business-critical environments. See our Business Broadband for resilient connectivity options.
Not necessarily. If you have existing SIP-compatible phones, they can often be reused. We also supply a full range of IP desk phones, conference phones, and DECT handsets from Yealink, Poly, and Cisco through Omni Hardware. Alternatively, softphone apps let your team use laptops and mobiles.
Most businesses save 30-50% on their telephony costs after switching from ISDN to SIP trunking or hosted PBX. Savings come from lower line rental, cheaper call rates (especially international), and no maintenance costs for on-premise hardware.
Yes. We offer Microsoft Teams Direct Routing and Teams Phone, allowing you to make and receive external phone calls directly within the Teams application. This creates a truly unified communications experience combining chat, video, and telephony in a single platform.

Related Services

Business Broadband

Fast, reliable connectivity to power your VoIP phone system.

Learn More

Business Mobile

Complement your VoIP system with business mobile SIM plans.

Learn More

Microsoft 365 & Cloud

Integrate Teams calling with your hosted phone system.

Learn More