Business Line Rental Services
Reliable, Cost-Effective Line Rental for UK Businesses
Infinity System Solutions offers scalable and affordable business line rental services to keep your communications running smoothly. Whether you’re maintaining legacy systems or transitioning to VoIP and SIP, we ensure your business stays connected without interruptions.
SIP Trunks & IP Voice Lines (VoIP-Ready)
Modernise your business communications with SIP trunking and IP voice lines from Infinity System Solutions. These VoIP-ready solutions are the future of voice communication—designed to replace outdated ISDN lines and prepare your business for the upcoming 2027 PSTN switch-off.
ISDN2e (for legacy systems)
ISDN2e is a high-performance voice and data service generally for smaller offices. As standard, it comes with two channels on each connection which allows for two simultaneous calls. It can be expanded to allow for up to 8 simultaneous calls.
BT will be switching off traditional PSTN and ISDN lines by the end of 2027. Now is the perfect time to upgrade to a modern, digital-first communications solution. Infinity can help you transition seamlessly to VoIP or SIP without losing your business number or facing downtime.
ISDN30 (for legacy systems)
ISDN30 lines are usually used by medium to large businesses as they allow you to create branded digital telephone services. ISDN30 is a versatile, secure, dedicated, high-bandwidth option that allows you to transmit voice, data and text.
BT will be switching off traditional PSTN and ISDN lines by the end of 2027. Now is the perfect time to upgrade to a modern, digital-first communications solution. Infinity can help you transition seamlessly to VoIP or SIP without losing your business number or facing downtime.
PSTN (for legacy systems)
PSTN stands for Public Switched Telephone Network. This network is also referred to as the Plain Old Telephone Service (POTS). In simple terms, this is a standard phone line.
BT will be switching off traditional PSTN and ISDN lines by the end of 2027. Now is the perfect time to upgrade to a modern, digital-first communications solution. Infinity can help you transition seamlessly to VoIP or SIP without losing your business number or facing downtime.
Mobile (EE, 02, Vodafone)
We offer a variety of mobile solutions including those using the EE, 02 and Vodafone infrastructures. This is most commonly used in places whereby a traditional phone line is unavailable, or during migration of one system to another. We are able to offer cost-effective solutions to businesses that you cannot get from speaking to the providers directly. Please get in touch by filling in the form below if you would like a quote.
Client testimonials
This recently refurbished hotel in the heart of the Welsh Capital is very proud of its recent 4 start Visit Wales grading and offers a quiet, relaxing atmosphere for its guests to stay in.
Infinity System Solutions were delighted to supply a tailored solution to meet their needs. Here’s what they said about us “We can thoroughly recommend your service, we rely so much on a strong, fast data connection for our bookings and a reliable telephony provider
We are pleased to say you have supplied a fantastic service to our business without fault. It was a smooth transition to Infinity – “a truly great service we can highly reccomend”