Phone Systems

VoIP or Voice over Internet Protocol is a new kind of Telephone System that will eventually replace the traditional POTS system used in most offices and allows you to receive and make calls from anywhere.   Depending on your requirements there can be many different kinds of solutions you can use. Here at Yellow Cube Solutions we work with a few partners to ensure the VoIP system you choose is best for your business. We can assist you with the setup and installs from either or our partners.


3CX is a software based PBX which runs on mainstream operating systems and works with SIP standard based IP Phones, SIP trunks and VoIP Gateways to provide a full PBX solution – without the inflated cost and management headaches of an ‘old style’ PBX. Used by more than 30,000 companies globally, 3CX has been recognized for its innovation and cutting-edge technology. This solution provides a full PBX system installed at your office.

Read More on 3CX’s Website

Sipgate is a SIP number provider and offers you local phone numbers in all UK area codes, including London. You can book single numbers as well as blocks of three or ten which can be used immediately. Sipgate team delivers a complete web-based business telephone system. Call management, SMS, Fax, web voicemail, Call Packages and much more. As this solution is web based you get the same PBX functionality as a self-hosted solution without the hassle of managing the hardware yourself.

Read More on Sipgate’s Website



If you would like to know more about any of the solutions above, please contact our sales team who can help you choose the best setup for your environment.



Telephone: +44 (0) 24777 10158
Yellow Cube Solutions is part of the Melos Group