The Cost of Business Phone Systems in 2025: What to Expect

Introduction: What’s a Business Phone System Really Going to Cost You?

Whether you’re starting a new business or upgrading your old telecom setup, one of your first questions is always:

“How much is this going to cost me?”

In 2025, business phone systems have changed dramatically — and so have their pricing models.

But don’t worry: we’ve broken it all down for you.

Let’s explore the true cost of VoIP vs traditional phone systems, and what smart UK businesses like yours should expect.

 

What Influences Phone System Costs?

 

Costs vary depending on a few major factors:

 

Type of system: VoIP (Hosted PBX) vs Traditional (On-premise PBX)

 

Number of users or lines

Features (call recording, IVR, analytics, etc.)

Hardware needs

Maintenance & support

Installation and setup fees

International or premium number usage

Now let’s compare both systems side by side.