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Business Phone System & VoIP Guides

Plain-English UK guides to business phone systems, VoIP, the 2027 switch-off, costs, number porting, replacing old systems and AI receptionists.

Getting started with VoIP

What is VoIP and how does it work?

VoIP vs landline: which is better for business?

Hosted VoIP vs on-premise PBX: which is right for you?

What internet speed do I need for VoIP?

Telephony jargon, explained

What is cloud telephony?

What is a hosted PBX?

What is SIP trunking?

What is a hunt group?

What is a DDI number?

What is caller ID?

What is click-to-call?

What is Busy Lamp Field (BLF)?

What is call whisper?

What is voicemail transcription?

What is music on hold?

VoIP call quality explained

Cost and choosing a provider

How much does a business phone system cost in the UK? (2026)

Best business phone system for UK small business (2026)

Best VoIP providers UK (2026): how to compare

Comparisons and alternatives

Alternatives to RingCentral for UK small businesses (2026)

BT business phone alternative: moving to a cloud system

8x8 alternative for UK businesses

Vonage alternative for UK businesses

Gamma Horizon alternative for UK businesses

Best virtual landline UK (2026): how to choose

Virtual landline and new business

What is a virtual landline and how does it work?

Do I need a landline for my business?

Should you use your personal mobile for business?

How to get a business phone number without a landline

How to get a UK business number that rings on your mobile

Virtual landline vs VoIP: what's the difference?

How much does a virtual landline cost in the UK?

The 2027 switch-off and switching over

PSTN and ISDN switch-off 2027: what your business must do

How to switch your business phones to VoIP (step-by-step)

Can I keep my number when switching to VoIP? (number porting)

What happens to VoIP in a power cut or internet outage?

Replace an old phone system

How to migrate from an on-premise PBX to the cloud

Avaya end of life: alternatives and how to migrate

Mitel end of life: alternatives and how to migrate

Panasonic PBX discontinued: your replacement options

Replace your NEC phone system: modernise to the cloud

LG Ericsson / iPECS phone system: how to modernise to the cloud

Yeastar PBX end of life: moving to the cloud

AI receptionist

AI receptionist for business: how it works and what it costs

AI receptionist for out-of-hours calls

AI receptionist pricing in the UK

Can AI answer business calls?

Does an AI receptionist sound human?

Can an AI receptionist transfer calls?

Can an AI receptionist book appointments?

Can AI replace a receptionist?

Is an AI receptionist worth it?

AI receptionist vs human answering service

AI receptionist for dental practices

AI receptionist for estate agents

Features and compliance

Auto-attendant, IVR and call routing explained

Is it legal to record business calls in the UK?

Northern Ireland

Business phone systems in Northern Ireland

Business phone system Belfast

Business phone system Derry/Londonderry

Business phone system Lisburn

Business phone system Newry

Business phone system Armagh

Business phone system Coleraine

Northern Ireland VoIP buying guide

PSTN switch-off 2027 in Northern Ireland

Free phone scripts

Voicemail greetings, auto-attendant menus, on-hold messages and more, ready to copy.

Free phone scripts

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