Free voice services for UK businesses
Free voice services from Silux Call are a complete set of cloud telephony features — calling, voicemail, call routing and an app — provided at £0 on the free seat, with UK-domestic, GBP-only billing if you ever upgrade.
What you get free
How the free offer works
The free voice seat is permanent for light use; teams and high call volumes move to Lite (£6.95/user/mo) or Pay-as-you-go, both contract-free.
Also searched as
UK buyers look for this under many names — Silux Call covers all of them: free voice services, free voice service uk, free voice over ip, free business voice, free cloud voice, free telephony services.
FAQs — Free voice services
Is free voice services really free?
Free voice services from Silux Call are a complete set of cloud telephony features — calling, voicemail, call routing and an app — provided at £0 on the free seat, with UK-domestic, GBP-only billing if you ever upgrade. The free voice seat is permanent for light use; teams and high call volumes move to Lite (£6.95/user/mo) or Pay-as-you-go, both contract-free.
What do I get for free?
Free seat with a UK number and 30 outbound mins/month; Voicemail-to-email, call forwarding and an auto-attendant greeting; HD voice on mobile, desktop and browser; Free PSTN switch-off migration audit; No card and no contract to start.
Do I need a credit card to start?
No. You can start the Silux Call free seat and free trials without a card. You only add payment details if you choose to upgrade to a paid plan.
Is it ready for the 2027 PSTN switch-off?
Yes. Silux Call runs entirely over IP, so it is unaffected by the 31 January 2027 PSTN switch-off — and every account includes a free WLR2 migration audit.
Get a free number in your city
Free for your industry
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