Connecting Businesses to Better Communication

We are a London-based telecommunications company on a mission to make enterprise-grade VoIP accessible to every business.

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99.9%
Uptime guaranteed across all services

Telecommunications Without Compromise

ONVOIPTELECOM LTD was founded with a clear purpose: to give businesses of every size access to the same powerful, reliable communication infrastructure that was once only available to large enterprises.

Headquartered in Hampstead, London, we serve clients across the United Kingdom and internationally — providing cloud-hosted VoIP systems, virtual telephone numbers, managed PBX solutions, and professionally configured telecom hardware.

Every product and service we offer is designed for straightforward deployment, maximum uptime, and transparent pricing. We believe that excellent business communication should be simple to access and even simpler to manage.

150+
Countries Covered
500+
Clients Served
24/7
Expert Support

The Principles That Drive Us

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Reliability First

We engineer every system for maximum uptime. Our 99.9% SLA guarantee isn't a marketing claim — it's a contractual commitment backed by redundant infrastructure across multiple data centres.

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Transparent Simplicity

No hidden fees, no confusing bundles. We present clear pricing and plain-English service descriptions so you always know exactly what you're getting and what you're paying for.

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Customer Partnership

We treat every client as a long-term partner. Our team works proactively to optimise your setup, flag opportunities, and ensure your communications infrastructure grows with your business.

Two Product Lines, One Provider

We combine software-defined telecommunications services with professional-grade physical hardware, so you can source everything from one trusted partner.

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Cloud Telephony Services

Our hosted VoIP and cloud PBX services give your business a professional phone system without the overhead of traditional hardware PBX installations. Features include:

  • Virtual phone numbers in 150+ countries
  • Cloud-hosted PBX with unlimited extensions
  • Intelligent call routing and IVR menus
  • Call recording, voicemail-to-email, analytics
  • SIP trunking for existing PBX systems
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Telecom Hardware

We supply, configure, and ship professional telecommunications hardware — pre-set to work with your system from day one. Our hardware range includes:

  • HD VoIP desk phones (entry, mid, executive)
  • SIP gateway adapters for legacy systems
  • Business-grade routers and network switches
  • Conference room audio solutions
  • Wireless headsets and DECT handsets

Start Your Communications Journey

Browse our products or speak with our team to find the perfect solution for your business.