Blogs - Compare Phone Systems

ISDN to SIP Migration Steps: A Simple Guide for UK Businesses

Introduction UK businesses now need to plan their switch from ISDN phone lines. Many companies still using these older systems want to make the change smoothly without any call disruptions. This guide explains ISDN to SIP migration clearly, step by

Difference Between PBX and PSTN for Business Phone Systems

Introduction Understanding the difference between PBX and PSTN is essential for businesses that depend on phone systems for daily communication. Although these terms are often mentioned together, they are not alternatives. PSTN provides the public network that carries external calls,

PSTN vs ISDN vs VoIP: Which Phone System Will Work After 2026?

Introduction UK business phone systems are changing rapidly. Many organisations still rely on PSTN or ISDN for everyday calls, but these services are being withdrawn as the UK moves away from copper-based networks. VoIP is replacing them. It operates over

What You Need to Know About the ISDN Switch Off

Introduction The ISDN switch off is one of the biggest changes to UK business phone systems in recent years. Many UK organisations still depend on ISDN lines for calls, alarms, EPOS terminals, But BT is pulling the plug for good

PSTN Switch Off Explained: How UK Businesses Should Prepare for 2027

Introduction UK businesses face a major phone network change called the PSTN switch off. Old landline services will stop working completely. Digital phone systems will replace them instead. This affects more than just desk phones. Card machines for payments, security

what is VoIP and how does it work?

Introduction Most UK businesses begin searching “What is VoIP” only when phone systems create serious issues. Customers face extended hold times, remote staff miss important calls, and monthly bills rise despite outdated equipment. Legacy setups impact more than convenience they

SIP vs VoIP vs PBX What should UK businesses choose in 2026?

Introduction If you are researching business phone systems in the UK, you will almost certainly come across three terms: SIP, VoIP, and PBX. Most providers and websites talk about these as if they are different products you must choose between.

Best Business Broadband Providers UK 2026 | Compare Speeds, Prices & SLAs

Introduction Finding the Reliable broadband is critical for any UK business in 2026. With the copper PSTN switched off in 2027, companies still using old copper lines risk downtime, lost productivity, and costly disruptions. Picture a busy Manchester salon where

Best Phone System Providers for Dental Practices UK (2026 Guide)

Introduction Keep those missed calls from quietly draining your revenue. Busy reception teams, peak-hour rushes, and old landlines often leave patients waiting too long or simply hanging up. With the PSTN switch-off coming in 2027, traditional setups just aren’t reliable