Silux Call vs Spitfire: an honest UK comparison

Looking for a Spitfire alternative? Spitfire is a uK ITSP / hosted PBX. Spitfire published pricing, checked 26 September 2026: £9 per extension with a call bundle, plus £1 softphone (£10–£12 per user); minimum term. Silux Call is priced per user with no contract, and every user gets their own UK number — Plus is £8.95 per user a month.

The short answer

Spitfire: per-extension billing on a minimum term. Silux Call has no contract, unlimited inbound calls on every plan, and every user gets their own UK number included in the per-user price.

Silux Call

From £4.75 per user · GBP · ex-VAT · no contract

  • 14-day free trial — 1 user, 1 UK number, 30 outbound minutes, no card
  • Entry £4.75 per user: 2,000 outbound UK minutes, unlimited inbound
  • Plus £8.95 per user: unlimited UK landline & mobile calls, call menu (IVR)
  • Growth £9.95 per user (min 2): call recording, queues, CRM, scam & spam shield
  • Pro £14.95 per user (min 2): 20 AI receptionist minutes, transcription, every call recorded
  • Own UK number for every user · no contract · free number porting · extra numbers £5.99

Spitfire

UK ITSP / hosted PBX · checked 26 September 2026

Spitfire pricing
£9 per extension with a call bundle, plus £1 softphone (£10–£12 per user); minimum term
Spitfire free trial
Not published
Spitfire AI receptionist
Not published
Worth knowing about Spitfire
Per-extension billing on a minimum term

Source: https://www.spitfire.co.uk/voice/fireswitch-hosted-pbx-2-3/

Pricing side-by-side (GBP)

Silux CallSpitfire
Free trial14 days, no card (1 user, 1 number, 30 minutes)Spitfire: Not published
Entry plan£4.75 per user (Entry, 2,000 outbound UK minutes)Spitfire: £10 (£9 extension + £1 softphone, with call bundle)
Unlimited UK landline & mobile£8.95 per user (Plus, own UK number per user)Spitfire: Not published
AI receptionist20 AI receptionist minutes a month included on Pro (£14.95 per user); an £15 a month add-on on other plansSpitfire: Not published
ContractNone — rolling monthlyMinimum term; length not published

Spitfire figures from their own website, checked 26 September 2026; ex-VAT unless stated. Ours are read live from our price list. See the full band-by-band comparison →

Switching from Spitfire

  1. Choose a plan — no contract, so you can change it any time.
  2. Port — free UK number porting on every paid plan. Send a recent bill and a signed letter of authority.
  3. Set up — build your call menu, hunt groups and opening hours in the dashboard.
  4. Keep Spitfire running until the port completes, then cancel with them.
Choose Plus — £8.95 per userStart 14-day free trial — no cardBook a migration call

FAQs — Silux Call vs Spitfire

Is Silux Call cheaper than Spitfire?

Silux Call is priced per user, and every user gets their own UK number. Entry is £4.75 per user a month with 2,000 outbound UK minutes; Plus is £8.95 per user with unlimited UK landline and mobile calls; Growth is £9.95 per user with call recording and queues; Pro is £14.95 per user (Growth and Pro from 2 users). All ex-VAT, no contract. Spitfire, as published on 26 September 2026: £9 per extension with a call bundle, plus £1 softphone (£10–£12 per user); minimum term.

Can I move from Spitfire to Silux Call and keep my number?

Yes. Porting a UK number is free on every paid Silux plan — send a recent bill and a signed letter of authority. Your Spitfire line keeps working until the port completes.

How does Silux Call differ from Spitfire?

Spitfire: per-extension billing on a minimum term. Silux Call has no contract, charges per user with each user's own UK number included, includes unlimited inbound calls on every plan, adds a scam & spam shield from Growth (£9.95) and 20 AI receptionist minutes a month included on Pro (£14.95 per user); an £15 a month add-on on other plans.

Does Silux Call have a free trial?

Yes — 14 days, no card: one user, a UK number and 30 outbound minutes. Spitfire: no free trial published.

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