Phone systems with AI
Silux Voice vs BT Business AI Receptionist
BT’s AI receptionist, sold inside BT Cloud Work.
Written by the Silux Voice team, so read it knowing that — which is why the section on where BT Business AI Receptionist is better is just as long as it needs to be. Competitor prices are as we found them and dated; check their site before you decide.
Silux Voice
from £24.99/mo
- Starter £24.99 — 250 minutes
- Growth £49.99 — 600 minutes
- Professional £99.99 — 1,400 minutes
- Overage 6p (Starter) / 5p a minute
- 14-day free trial, 30 minutes, no card · no setup fee, no contract
Same numerals in £, € and $ — never currency-converted.
BT Business AI Receptionist
quote only
Quoted; available inside BT Cloud Work only — standalone listed as “coming soon”. RingCentral technology underneath.
Checked Sep 2026 on business.bt.com
Where Silux Voice is the better fit
- ✓No need to move to BT Cloud Work or change phone system
- ✓Published prices from £24.99/mo
- ✓Takes phone orders — anything not on your menu is noted as a special request for you to confirm, never refused and never promised
- ✓Checks your Google or Outlook calendar live while the caller is on the line, and writes the booking back
- ✓Books straight into Calendly, Acuity, Cal.com, SimplyBook.me, Setmore or Microsoft Bookings
- ✓Texts a confirmation with the customer’s own change-or-cancel link, sends reminders and offers cancelled slots to people waiting for one with its Open slot notifier
Where BT Business AI Receptionist is the better fit
- ★BT’s brand and account management
- ★One supplier for lines, broadband and the phone system
Feature by feature
“Not stated” means we couldn’t find it on BT Business AI Receptionist’s own pages — not that they can’t do it.
| Capability | Silux Voice | BT Business AI Receptionist |
|---|---|---|
| Takes phone orders on the call | Yes | Not stated |
| Items not on your menu taken as special requests for you to confirmNever refused, never promised — you confirm it. | Yes | Not stated |
| Repeat-prescription requests for pharmaciesMedicines, name and date of birth; never gives medical advice or confirms stock. | Yes | Not stated |
| Checks your Google or Outlook calendar live on the call, two-way | Yes | Not stated |
| Books into Calendly, Acuity, Cal.com, SimplyBook.me, Setmore, Microsoft Bookings | Yes | Not stated |
| Confirmation text with the customer’s own change-or-cancel link | Yes | Not stated |
| Open slot notifier — cancelled slots offered to people waiting for one | Yes | Not stated |
| Knowledge categories auto-trained from your websiteYou approve what it learns; weekly re-check on Growth and above. | Yes | Not stated |
| You choose what it says when it doesn’t know | Yes | Not stated |
| Voice cloning — your own voice, or one you have written permission to useSilux Voice: Growth and above. | Yes | Not stated |
| Human receptionists as backupWe have none — this is a real reason to choose a hybrid service. | No | Not stated |
| Public developer API | Yes | Not stated |
| WhatsApp conversations and remindersSilux Voice: Growth and above; each message type switches on or off. | Yes | Not stated |
| Prices published on the website | Yes | No |
Competitor information from their public pages, checked Sep 2026. Silux Voice rows are what we ship today. See the full matrix.
More comparisons
Silux Voice vs Aircall AI Voice Agent
AI voice agent inside the Aircall cloud phone system.
Silux Voice vs RingCentral AI Receptionist
AI receptionist (AIR) from the enterprise phone-system vendor.
Silux Voice vs Zoom AI Receptionist
Standalone AI receptionist from Zoom.
Receptionist for HVAC contractors
When the AC dies in July, the customer calls four contractors and books with the first one who picks up. If your office is on a job site, that's not you.
Receptionist for plumbers
A burst pipe at 6pm is an emergency for the customer and a booked job for you — but only if someone answers. Under a sink, you can't, and the caller dials the next plumber on Google.
Receptionist for electricians
Fault-finding, a dead consumer unit, a tripping circuit — the customer wants it fixed today. If you're mid-install and can't pick up, that booked job goes to the next sparky.
Try Silux Voice free
14 days and 30 minutes of answering. No card needed.