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Get Prices → 📞 0121 268 0121VoIP (Voice over Internet Protocol) replaces your traditional phone lines with internet-based calling. It's faster, cheaper, and packed with features your old ISDN lines never had. Here's everything a UK business owner needs to know.
When you make a call on a VoIP system, your voice is converted into small digital data packets and sent over your internet connection — exactly like an email or a web page. At the other end, those packets are reassembled into audio. The whole process happens in milliseconds, so calls sound clear and feel instant.
Unlike traditional landlines, which rely on a physical copper telephone network, VoIP works over any broadband connection. It doesn't matter whether you're on full fibre, a leased line or even 4G — as long as you have a stable internet connection, VoIP works.
When you make a call on a VoIP system, your voice is converted into small digital data packets and sent over your internet connection — exactly like an email or a web page. At the other end, those packets are reassembled into audio. The whole process happens in milliseconds, so calls sound clear and feel instant.
Unlike traditional landlines, which rely on a physical copper telephone network, VoIP works over any broadband connection. It doesn't matter whether you're on full fibre, a leased line or even 4G — as long as you have a stable internet connection, VoIP works.
A modern hosted VoIP system includes all the features your business needs, included in the monthly price — not as expensive add-ons:
VoIP is significantly cheaper than traditional phone lines. Here's a typical comparison for a 10-user business:
Modern hosted VoIP is extremely reliable — in many cases more reliable than traditional landlines. At Telexico, our Cloud X platform runs on enterprise-grade UK data centres with 99.99% uptime. If your broadband drops, calls automatically divert to mobile numbers so you never miss a call.
The one risk with VoIP is internet dependency. We always recommend pairing VoIP with a failover broadband connection — a 4G/5G backup that kicks in automatically if your main line drops. For most businesses, this is already included in a Telexico bundle.
| VoIP (Telexico) | Traditional ISDN | |
|---|---|---|
| Monthly cost (10 users) | From £99.90/mo | £200–£400/mo |
| Setup cost | Free (we provide phones) | £500–£2,000 |
| UK calls | Unlimited included | Per-minute charges |
| Call recording | ✅ Included | ❌ Extra cost |
| Mobile app | ✅ Included | ❌ Not available |
| Works after 2027 | ✅ Yes | ❌ No — being switched off |
Click your area for local pricing and case studies.
"Switched our entire office phone system and broadband. The team handled everything, zero downtime. Saving over £200 a month compared to our old BT contract."
"Had failover installed after losing internet for a whole day. Assure X kicks in within seconds. Our team didn't even notice when the main line dropped last week."
"Our dental practice needed reliable phones and fast broadband. Telexico sorted everything in one visit. The AI receptionist handles after-hours calls brilliantly."
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