Advanced business phone systems

At Antheus we specialise in all areas of telecommunications including business phone systems for small and medium-sized businesses. As a company we’re 90% technical and we live and breathe the products we deal with. We are a one stop shop for business VoIP phone systems, providing all your telephony needs including system design & analysis, supply & installation, security, networking, disaster recovery, hardware & software. As a VoIP provider we can help with a greatly reduced telecoms costs and give you complete flexibility to manage your own VoIP phone system. We are based in Devon (and provide a great local service in Devon), but we also provide VoIP phone systems throughout the UK.

Hosted PBX

We have provided hosted phone systems from 1 extension to over 500 handsets spread around the UK

On-Site PBX

On premises PBXs are available with various connectivity options to the PSTN or hybrid VoIP/PSTN systems

SIP and IAX Trunks

We have thousands of SIP and IAX trunks available for our customers

Lease lines and broadband

As a Telco, we are able to provide a wide range of connectivity such as PSTN, ISDN, lease lines and broadband


We have a highly skilled team with years of experience in customising systems and reports

Local and international numbers

Antheus can supply inbound numbers for any area code in the UK as well as non-geographic ones. We can also setup international numbers for most countries

Find out more about our business phone systems