Free · no card to start

Free softphone app for UK businesses

The Silux Call softphone is a free app for iOS, Android, Windows, macOS, Linux and the browser that turns any device into a full business phone, free to download and free to use on the free seat.

Start free — no cardSee pricing

What you get free

Free softphone for mobile, desktop and browser
Make/receive calls, hold, transfer, DTMF
Visual voicemail and call history
Presence and contacts
White-labelable for resellers

How the free offer works

The app is free; calls use your plan minutes or Pay-as-you-go. On the free seat that is one user with 30 outbound minutes a month.

Also searched as

UK buyers look for this under many names — Silux Call covers all of them: free softphone, free softphone app, free voip app, free business phone app, free desktop softphone, free sip phone app.

FAQs — Free softphone app

Is free softphone app really free?

The Silux Call softphone is a free app for iOS, Android, Windows, macOS, Linux and the browser that turns any device into a full business phone, free to download and free to use on the free seat. The app is free; calls use your plan minutes or Pay-as-you-go. On the free seat that is one user with 30 outbound minutes a month.

What do I get for free?

Free softphone for mobile, desktop and browser; Make/receive calls, hold, transfer, DTMF; Visual voicemail and call history; Presence and contacts; White-labelable for resellers.

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.

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