Business Services

Choosing a business phone system

Traditional phone lines are being phased out across the UK, making VoIP the default choice for most new business phone systems — but 'VoIP' covers a wide range of setups with very different feature sets and reliability.

5 min readUpdated Jul 2026
Key points
  • Most UK providers are moving customers to VoIP as traditional lines are retired
  • Call quality depends heavily on your underlying internet connection
  • Compare features your team actually uses, not just the headline price
  • Always confirm number porting is possible before switching providers

VoIP vs traditional lines

VoIP runs calls over your internet connection rather than a dedicated phone line, which is cheaper and more flexible, but depends entirely on your broadband's reliability.

Call quality and connection

A business-grade internet connection with enough bandwidth matters more to VoIP call quality than the phone system itself — check your connection can handle it before switching.

Features worth comparing

Call routing, voicemail-to-email, mobile app integration and call recording vary significantly between providers — list what your team actually uses before comparing quotes on price alone.

Number porting

Confirm your existing business number can be ported to the new system before you commit — losing an established number can cost real business.

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