Resources
Practical, vendor-honest guides for UK SMBs moving to VoIP before the 2027 PSTN switch-off.
- UK PSTN switch-off 2027: what every small business must do
BT Openreach is retiring the UK PSTN on 31 January 2027. Plain-English guide to migrating from WLR2 to VoIP, with checklists, cost ranges, and a 6-month rollout plan.
- How to port your UK phone number to VoIP (PAC and STAC explained)
PAC, STAC, and the timelines that actually apply. The exact steps to move a UK landline or mobile number to a VoIP provider without losing a call.
- VoIP vs SIP trunk: which one does your business actually need?
When to choose a hosted VoIP service, when a SIP trunk is right, and the tax / accounting differences for UK companies.
- Best VoIP for small business UK 2026 — honest comparison
30+ UK and global vendors compared on price, AI, free tier, and PSTN switch-off readiness. PAYG availability, AI receptionist, mobile app maturity. Updated quarterly.
- WLR2 retirement: 30 questions every UK SMB asks
What WLR2 actually is, why your line is at risk, deadlines, the alternatives, and the budgets to set aside.
- AI receptionist buyer’s guide for UK businesses
What an AI receptionist does, what it costs, what to test before signing, and how the major UK providers compare on accuracy.
- GDPR-compliant call recording in the UK — full how-to
Lawful bases, consent prompts, two-party consent, retention, redaction. The exact words to play to callers.
- PCI DSS payment-by-phone for UK SMBs
How DTMF redaction keeps you in SAQ-A scope and saves the £20k a year that a full PCI audit costs.
- Microsoft Teams Direct Routing setup with a UK SBC
Step-by-step PowerShell wiring for Teams Direct Routing on a UK SBC, including caller-ID assignment and emergency calling.
- Predictive dialer vs power dialer: which one?
The Ofcom 3% abandonment rule, ratio dialling, AMD and voicemail-drop. When predictive becomes a regulatory headache.
- VoIP vs landline cost in the UK (2026 numbers)
Line-by-line cost comparison of a UK BT landline versus hosted VoIP, including line rental, call charges, and the 2027 switch-off.
- What does a UK business phone system cost in 2026?
Real GBP numbers for hosted VoIP, on-prem PBX, and SIP trunking, by team size, with the hidden costs nobody quotes.
- UK VoIP & hosted PBX statistics 2026
Curated and original UK SMB telecoms statistics: PSTN switch-off awareness, per-user spend, and AI-receptionist adoption by sector.
- AI receptionist vs human answering service: 2026 UK comparison
Cost, accuracy, availability, and integration compared. When an AI receptionist beats an outsourced answering service.
- Can VoIP make 999 calls? UK emergency-calling rules explained
Ofcom’s rules on 999/112 access over VoIP, address registration, power-failure resilience, and what Silux Call does by default.
- UK PSTN switch-off by exchange: stop-sell status explained
How Openreach stop-sell rolls out exchange by exchange, how to check your exchange status, and the migration deadline that actually applies to you.
- Best VoIP UK 2026: the complete buyer’s guide & ranked list
A ranked, honest buyer’s guide to UK business VoIP in 2026 — Silux Call, bOnline, Yay, Voipfone, Tamar, Gradwell, Sipcentric and other UK providers — with a plain-English pros/cons table.
- UK VoIP & telecoms glossary: every term explained
Plain-English definitions of VoIP, SIP, hosted PBX, DDI, IVR, ACD, PSTN, WLR2, SoGEA, codec, SBC and 25+ more UK telecoms terms.
- How to get an 020 London number for your business
The fastest way to get a London 020 number (or 0161, 0121, 0117 and any UK area code), whether you need an office in that city, and how to port one in.
- VoIP and Ofcom compliance: number portability, CLI, 999 & predictive dialing
A plain-English guide to the Ofcom rules that apply to UK business VoIP: number portability rights, CLI presentation rules, 999 access, and the 3% predictive-dialer cap.