Free phone system for small business for UK businesses
Silux Call’s free phone system for small business is a complete hosted PBX — number, apps, IVR greeting, voicemail and call routing — at £0/month on the free seat, with no hardware to buy.
What you get free
How the free offer works
Free for a single user/30 outbound mins a month; multi-user small teams use Lite at £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 phone system, free phone system for small business, free small business phone system, free business phone system uk, free office phone system, free pbx for small business.
FAQs — Free phone system for small business
Is free phone system for small business really free?
Silux Call’s free phone system for small business is a complete hosted PBX — number, apps, IVR greeting, voicemail and call routing — at £0/month on the free seat, with no hardware to buy. Free for a single user/30 outbound mins a month; multi-user small teams use Lite at £6.95/user/mo or Pay-as-you-go, both contract-free.
What do I get for free?
Free hosted PBX seat: number, apps, voicemail, IVR greeting; No on-site hardware or install; Scale to multiple users and numbers when ready; Free PSTN switch-off migration audit; UK GBP billing, no contract.
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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