When does the UK PSTN switch off?

BT Openreach is retiring the UK PSTN (WLR 2) on 31 January 2027. Every UK business landline must move to a digital service such as VoIP or full-fibre voice before that date.

What is the cheapest UK business VoIP?

Silux Call offers a free seat tier (1 user, 1 UK DDI, 30 minutes/month) and Pay-as-you-go from £0/month + £0.02 per UK landline minute, with no contract. Paid plans start at £6.95/user/month and come with a 30-day free trial.

Does Silux Call have a free trial, and do I need a credit card?

Yes. Every paid plan comes with a 30-day free trial and no credit card is required to start — most UK rivals offer only a 7 or 14-day trial, and several require a card up front. You can also stay on a permanently free seat with no card at all. Signing up takes about 60 seconds.

How quickly can I get a UK virtual landline number?

You can sign up in about 60 seconds and choose a UK virtual landline number (020, 0161, 03 or 0800) instantly — no engineer visit, no hardware and no contract. Existing numbers port across free on Plus and above, typically within 24 hours.

Can I keep my existing phone number?

Yes — Silux Call offers free UK number porting on Plus and above, typically completing in 24 hours. We support PAC and STAC porting workflows.

Does Silux Call work with Microsoft Teams?

Yes — Silux Call supports Microsoft Teams Direct Routing on the Pro tier, including a self-service onboarding wizard that issues the PowerShell snippet for your Teams admin.

Is Silux Call GDPR and HIPAA compliant?

Silux Call ships UK GDPR-compliant call recording with two-party consent flows, plus one-click HIPAA enrolment that locks 6-year retention, KMS-backed encryption, and PCI DTMF redaction. A one-click compliance report exports an auditor-ready PDF.

How does Silux Call block scam calls?

Silux Call screens every inbound call with an AI scam shield in under 0.5 seconds. Known HMRC, parcel, and account-spoof patterns are blocked before your phone rings — a feature no other UK business VoIP provider ships.

Compliance

Predictive dialer Ofcom rules: the 3% abandonment rate explained

Compliance2026-05-016 min readBy Silux Call team

UK predictive dialing must keep abandoned calls under 3% of live answered calls in any 24h period. Here is what that actually means for your call ratios and how Silux Call enforces it.

The rule

Under Ofcom's Persistent Misuse policy, the percentage of abandoned predictive-dialled calls (rings answered before an agent is free) must not exceed 3% of live answered calls in any rolling 24-hour period.

What "abandoned" actually means

An abandoned call is one where the caller answers, hears silence (or an information message), and the call ends without ever connecting to an agent. It does not include voicemail hits.

Penalties

Ofcom can issue an enforcement notice and fine up to 10% of UK turnover.
Repeat misuse gets reported to the Information Commissioner and may revoke your number ranges.
Acquiring banks may consider it a card-acceptance breach.

How Silux Call enforces it

Power Dialer ships a hard cap of ratio 8, AMD detection that frees agents on voicemail hits, and an auto-pause when 24h abandonment climbs above 2.5%. Live abandonment-rate dashboard on every campaign.