Business VoIP Phone Systems

Assertion supply a wide variety of business phone systems, from home start up business VoIP phone systems, to call centre hosted auto dialler software. With added features to use a hosted PBX phone system to build and manage operations the way you want. We have a team of industry experts with over 21 years’ experience in the call centre industry ensuring the best possible services for our clients over the world. Start services with a 14 day money back guarantee! Alternatively get in touch with one of our team today to see if our services are of benefit to your business.

Cloud Hosted PBX Phone System for Small Business UK

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Our Hosted PBX Phone System Features

call forwarding

Call Forwarding

Call Forwarding allows you to forward all of your incoming calls to another phone number.

Call conferencing

Conference Calls

Use call conferencing to allow third parties to join calls specifying times, conditions, passwords etc.

Time Management

Time Management

Allow your traffic to and from any VoIP Devices, and set opening hours from our clients area.

Call recordings

Call Recordings

Need to keep your conversations recorded? With our VoIP call plans you can record all your calls if required.

Business voicemail


Never miss a call again. With all of our VoIP devices you get features for FREE to help manage custom voicemails.

Business anonymous reject

Anonymous Reject

ACR feature to enable that withheld caller IDs will be prompted to phone back from a real phone number.

Business SIP trunking

SIP Trunking

With our SIP trunks you can add multiple trunks so that you can use more devices with your minutes!

IVR System

Inbound IVR

Managing inbound call flows may never be as easier than with our IVR phone system allowing custom IVRs.

Business VoIP Phone System Pricing

Starting At
Business Pro
  • Unlimited UK Landline/Mobile Minuites
  • FREE Virtual Landline Number Included
  • PBX Phone System Features
  • Unlimited SIP Trunking
  • 24/7/365 Team Presence
Call Centre Dialler Software

Dialler Software

Our call centre dialler software can easily be linked to leading CTI and CRM system software. This allows all call data to be forwarded to agents instantly.

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Hosted Predictive Dialler

Auto Dialler System

Our hosted dialler system is suitable for inbound call centres and outbound dialler call campaigns, with the option of click to dial & live agent transfers.

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