Free click-to-call number for your website for UK businesses
Silux Call gives you a free UK number and click-to-call set-up for your website on the 7-day free trial, so visitors can call or request a callback straight from a button, with call-tracking on paid plans.
What you get free
How the free offer works
The number and click-to-call are free on the 7-day trial (30 outbound minutes); advanced per-source call-tracking analytics are on paid plans.
Also searched as
UK buyers look for this under many names — Silux Call covers all of them: free click to call, free click to call number, free website call button, free call widget, free web phone number, free call tracking number trial.
FAQs — Free click-to-call number for your website
Is free click-to-call number for your website really free?
Silux Call gives you a free UK number and click-to-call set-up for your website on the 7-day free trial, so visitors can call or request a callback straight from a button, with call-tracking on paid plans. The number and click-to-call are free on the 7-day trial (30 outbound minutes); advanced per-source call-tracking analytics are on paid plans.
What do I get for free?
Free UK number for your website on the 7-day trial; Click-to-call / callback button; Voicemail-to-email when you are away; Per-number call tracking on paid plans; Works with the browser softphone — no install.
Do I need a credit card to start?
No. You can start the Silux Call free trial 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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