+44 (0)20 3301 6000
  • slide1
    Delivering Communication
    Voice products for the channel
  • slide2
    A Direct Replacement Of Your Phone Line
  • slide2
    teams logo Teams Direct Routing
  • slide2
    channel focused
    Designed and developed for ease
  • slide3
    SIP | Data | Hosted
    Research Design Develop Deliver
  • slide4
  • slide4

Voiceflex is 100% channel focused

Voiceflex is a leading telecoms carrier of SIP, Hosted, Data & UC&C services. Since 2005 our focus has been the success of our partners & we continue to enhance our portfolio to offer powerful communication solutions that address the changing communication requirements.

Instant Provisioning

Our products can be self-provisioned instantly via our portal. Direct access to new number ranges or more trunks, as and when you need them.

PBX Security Analysis

Everytime your PBX registers, we security check it. Providing lock down and alerts should a threat be detected.

Built-in Fraud detection

By default, we turn on fraud detection for all services. Providing timely response and notification to fraud attempts.


Building confidence and helping our channel partners to deliver end-to-end support, both self-service and engineer based, has improved customer experience and matured SIP based services.

Efficient Data

Our IP network infrastructure processes over 80% real-time data. Leverage our knowledge to build both your voice and data infrastructure.

Manufacturer Approved

Having more PBX manufacturer approvals than any other UK SIP provider has been an important foundation since the start. Our quality testing system provides customers with a stable and consistent solution.


We enable users to communicate in their preferred format; voice, messaging or video and switch seamlessly. Bringing meetings, chat, video, calls and file-sharing within a single app from any device, at any time, and from anywhere makes collaboration simple.

Application Based

At the forefront of application testing, we thrive to create value in helping our partners & their clients to improve productivity, establish & build relations and embrace the future workplace. Our interconnection of apps via APIs delivers limitless possibilities to your business.

Digital Workforce

Drive business success by enabling collaboration through a variety of ways of working, at any time, from anywhere and from any device. We deliver fast, smart and effective communications & collaboration ensuring businesses can adapt to the changing landscape & don't get left behind.


SIP is rapidly replacing ISDN as the voice delivery method of choice and this is as a direct result of the lower capital expenditure and lower costs but conversely users are benefiting from ever increasing availability of data connectivity, increased speed, flexibility and a host of applications.

Learn More


Our IP network infrastructure processes over 80% real-time data. Leverage our knowledge to build both your voice and data infrastructure using EFM (Ethernet First Mile), VPLS and traditional private Ethernet services - both domestically and internationally, providing competitive pricing.

Learn More


Hosted telephony applications integrated as part of our SIP infrastructure. Our hosted and hosted UC PBX service easy to deploy and use, extensive feature set and web based user interface. Take advantage of the significant cost & service benefits cloud-based telephony has over traditional phone systems.

Learn More
SIP Trunk
Connect your PBX
UK & International Numbers
Number Porting
Fraud Detection
24/7 Customer Service
Backup Service Available
Hosted PBX
Features 100+
Instant Provisioing
Any Number Anywhere
24/7 Customer Service
Fax to email

Want to Talk, Request a Call Back