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VOIP Telephone Systems

We have partnered with 3CX to provide a VOIP telephony service that includes a huge array of features at a low monthly cost.  VOIP technologies have improved drastically over recent years and we believe now is a great time to move your outdated ISDN phone system or local PBX to 3CX, a hosted fully functional telephone system.

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3CX Features

The 3CX telephone system includes a wide range of features and functionality more than enough to suits even your most complex needs, features include:

  • Use an IP Phone, soft phone on your computer or 3CX app on your mobile device to make/receive calls.

  • Unlimited Extensions at no additional cost.

  • Configurable call routing to extensions or ring groups.

  • Voicemail - received on handset or via email.

  • Calling Line Identification Presentation (CLIP) - See who's ringing.

  • Call Transfers (Blind or Attendant).

  • Call Forwarding on Busy or No Answer.

  • Music while on Hold.

  • Call Parking/Pickup.

  • Programmable Busy Lamp Fields.

  • Auto Attendant / Digital Receptionist.

  • Call Logging and Recording (requires Pro or Enterprise licence).

  • Call Queuing (requires Pro or Enterprise licence).

What is VOIP?

VOIP stands for Voice Over Internet Protocol, this is where a voice service can be delivered over an internet connection to fit a more modern digital world.  More conventional telephone systems utilise ISDN lines however these are due to be switched off within the UK by 2025.

In order to supply a VOIP telephone system a number of components are needed:

3CX Licence

There are 3 different types of 3CX licence, Standard, Pro and Enterprise.  Compare the features of these licences here.  The cost of the 3CX licence also depends on the number of simultaneous calls you want to make, as a rough guide you will need 1 simultaneous call for every 3-4 extensions that you need.  Once you know the licence type you require and the number of simultaneous calls you can work out the annual cost of your 3CX licence here.


PBX stands for Private Branch Exchange, this is the brain of your phone system, it's a clever piece of software that provides all of your 3CX functionality.  You can either host your PBX in the cloud or install your PBX on a computer in your premises (more suited to larger organisations with lots of telephone extensions).  In most circumstances we recommend hosting your PBX in the cloud, the cost of hosting your PBX depends on the number of extensions you have.  Up to 10 extensions will cost £20 initial setup plus £20 per month and up to 25 extensions will cost £50 initial setup plus £50 per month.  If you require more than 25 extensions please get in touch for a quote.

SIP Trunk

A SIP trunk is required to connect your PBX to the PSTN (Public Switched Telephone Network), this enables you to make and receive calls.  Each SIP trunk enables you to make/receive one simultaneous call.  You therefore need a SIP trunk for each simultaneous call you want to make.  SIP trunks are priced at £10 per month per SIP trunk and these include unlimited* calls to UK landline and mobile numbers.  *Fair usage policy applies.

Telephone Number

We can either supply a new number/numbers or we can port over your existing telephone number(s).  Please contact us to discuss your requirements, as a general rule a telephone number is £1 per month per number.

IP Phones

Unless you already have compatible IP Phones you will need to purchase new phones, we recommend Yealink phones, please get in touch to discuss your handset requirements.


In addition to the initial setup of the PBX and SIP trunk(s) there will be an additional cost for the setup and configuration of your 3CX system (starts at £95), please contact us to discuss your requirements so we can quote for this.

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