Every feature your UK business phone system needs
From an AI receptionist that answers 24/7 and call transcription you can search, to pre-ring scam blocking, a complete hosted PBX and a browser softphone — Silux Call bundles it all, priced only in GBP, built for the 2027 PSTN switch-off. Turn on exactly what you need.
AI voice — smarter call handling
Let software carry the routine calls so your team handles the ones that matter. Turn on only what you need.
AI receptionist
A natural-voice receptionist answers in your brand voice, books appointments, qualifies leads and warm-transfers to a human when it should — 24/7.
- Answers in your brand voice
- Books & qualifies, then hands off
- Per-number, per-tenant control
Call transcription & summaries
Every recorded call transcribed with speaker separation, timestamps and searchable text, plus automatic PII redaction — powered by our on-platform Whisper engine.
- Speaker-separated transcripts
- Automatic PII redaction
- Full-text call search
Voicemail transcription
Voicemails land in your inbox as text you can read at a glance and search later — no more dialling in to check messages.
- Read voicemail as text
- Searchable message history
- Suggested quick replies
Live call translation subtitles
On-screen subtitle pipeline for cross-language calls. Connect your preferred translation provider and see the other side of the conversation in your language.
- On-screen subtitles
- Bring-your-own translation API
- Great for multilingual teams
Live call coaching
Define the phrases that matter and Silux Call whispers real-time prompts to the agent’s softphone as they come up on the call.
- Real-time on-screen tips
- Keyword-triggered prompts
- Onboard new agents faster
Call sentiment scoring
Each call is scored positive, neutral or negative and rolled into your analytics, so you can spot unhappy customers and coaching opportunities.
- Per-call sentiment score
- Trend analytics
- Flag calls for review
Scam & spam protection
Stop nuisance and fraud calls before they ever ring a desk — a UK-first that rivals do not ship.
Pre-ring scam & spam blocking
Calls are screened before your phone rings. HMRC, parcel and account-spoof patterns, anonymous and known-nuisance numbers are dropped, sent to voicemail or challenged.
- Screened before it rings
- Allow / block / voicemail / challenge
- Per-tenant custom rules
Number allow & block lists
Maintain your own trusted and barred lists per tenant, on top of the global nuisance blocklist we keep updated.
- Tenant allow / block lists
- Global nuisance list
- Every block logged
A complete UK phone system (hosted PBX)
Everything an office needs to route, answer and manage calls — no on-site hardware, no PSTN line.
Visual IVR menus
Build multi-level “press 1 for sales” menus with custom prompts, DTMF options, time-of-day branches and fallbacks.
- Multi-level menus
- Custom audio prompts
- Time & date routing
Call queues & hunt groups
Distribute calls across your team with ring strategies, queue positions and overflow so no call is missed.
- Ring-all / round-robin
- Queue overflow
- Priority routing
Find-me / follow-me
Ring your desk, then your mobile, then a colleague — chase you across devices so customers always get through.
- Sequential ring
- Desk → mobile → team
- Per-user rules
Paging & intercom
Broadcast announcements to a group of extensions or trigger intercom — ideal for shops, warehouses and clinics.
- Group paging
- Intercom
- Instant announcements
Custom hold music & messages
Upload your own on-hold music and messages, or use our royalty-free library, per queue and per tenant.
- Upload your own audio
- Royalty-free library
- Per-queue playlists
Call recording
Automatic or on-demand recording with encrypted cloud storage, search and playback — with consent prompts built in.
- Automatic or on-demand
- Encrypted storage
- Search & playback
Softphone & apps
Take your extension anywhere — in the browser today, on mobile next.
Browser softphone (WebRTC)
Make and take calls from any modern browser — no plugins. Hold, transfer, mute, DND, click-to-call and real-time call controls included.
- No install, works in-browser
- Hold / transfer / mute / DND
- Encrypted WebRTC media
Desk phones & SIP devices
Bring supported IP desk phones and SIP hardware, provisioned against per-user extensions.
- Per-user extensions
- SIP device support
- Multi-seat ready
Mobile softphone
A white-labelled mobile softphone is in active development so your team can carry their extension in their pocket.
- Your extension on mobile
- White-label ready
- In active development
UK numbers & migration
GBP-only, UK-domestic numbers and a clean path off the copper line before the 2027 switch-off.
UK virtual numbers
Geographic (020, 0161…), national (03) and freephone (0800) numbers, provisioned to your account and ready to route.
- Geographic, 03 & 0800
- Instant routing
- Keep or add numbers
Free UK number porting
Bring your existing UK numbers with you. Free porting on Plus and above, typically live within 24 hours.
- Keep your number
- Free on Plus and above
- 24-hour typical cut-over
PSTN switch-off ready
Replace analogue and ISDN lines before BT Openreach retires the PSTN on 31 January 2027 — every account gets a free switch-off audit.
- Beat the 2027 deadline
- Free switch-off audit
- No copper line needed
Security & compliance
UK-domestic, GDPR-ready and built for regulated industries.
Encryption in transit & at rest
Calls are carried over TLS/SRTP and recordings are encrypted at rest, with key management for regulated tenants.
- TLS / SRTP media
- Encrypted recordings
- Key management
GDPR-ready recording & retention
Consent prompts, configurable retention, PII redaction on transcripts and a one-click compliance report for auditors.
- Consent prompts
- Retention controls
- One-click compliance PDF
Secure card entry (DTMF masking)
Take card details over the phone with recording pause and DTMF masking so sensitive digits never hit a recording.
- Recording auto-pause
- DTMF digit masking
- Reduce PCI scope
Analytics, scale & partners
See everything, run many teams, and resell under your own brand.
Live dashboard & call reports
Real-time call activity plus historical call-detail records, usage analytics and CSV/API export.
- Live call activity
- Call-detail records
- CSV / API export
Multi-tenant platform
Run isolated environments for multiple companies or sites from one account — perfect for groups and agencies.
- Isolated tenants
- Central management
- Per-tenant settings
White-label & reseller programme
Rebrand the platform and softphone, bill your own customers, and earn revenue share as a Silux Call partner or affiliate.
- Your brand, your pricing
- Reseller & affiliate tracks
- Revenue share
Connects to your stack
Wire Silux Call into your tools with Microsoft Teams Direct Routing, webhooks and a REST API.
Simple GBP pricing, no contract
A permanently free seat, Pay-as-you-go at £0.02/min, and paid plans from £6.95/user. AI receptionist is a flat add-on, not per-user.
Explore Silux Call
- Business VoIP (UK)solution
- Hosted PBX (UK)solution
- Silux Call for Estate agentsindustry
- Silux Call for Legal practicesindustry
- Silux Call vs bOnlinealternative
- Silux Call vs Yay.comalternative
- UK PSTN switch-off 2027: what every small business must doguide
- How to port your UK phone number to VoIP (PAC and STAC explained)guide
Ready to switch on the features that fit?
Start a 30-day free trial — no card, 60-second signup — or stay on a permanently free seat.