UK Business VoIP Phone Systems

Compare the Top 3 VoIP Systems Suited to Your Business Needs - Now!

VoIP from £5.99/user/month. PSTN switches off January 2027. Don't get left on a legacy line.

  • Fully managed by AMVIA. UK-based support, not a call centre
  • Keep your existing numbers with free number porting
  • Works on desk phones, mobiles, laptops, and Microsoft Teams
Get My Free VoIP Quote

No sales pressure. No email spam. UK VoIP experts.

Cost Comparison
Traditional PBX vs VoIP
Save 70%
ISDN/PBX System£25–£50/user/mo
Hardware Purchase£5,000–£15,000 upfront
Maintenance ContractExtra
PSTN NetworkSwitches off Jan 2027
VoIP with AMVIAFrom £5.99/user/moBest
UK-Based Support99.99% Uptime SLASame-Day Provisioning1,200+ UK BusinessesFull Number Porting
★★★★★4.9 Rating · 380+ Reviews Across Review Platforms
Case Study

Seven Resourcing deployed VoIP and Microsoft Teams with AMVIA in two weeks, consolidating five IT suppliers down to one. Full number porting, zero downtime.

30% savings
AMVIA consolidated five separate vendors into one relationship. Our security posture improved dramatically, response times dropped, and we saved nearly 30% on our total IT spend.
James WhitfieldIT Director, Sterling Manufacturing
4 → 1 suppliers
We consolidated four separate suppliers into AMVIA. One invoice, one account manager, and our incident response time dropped from hours to minutes.
Operations DirectorYorkshire Manufacturing Group
100% compliance
Our cyber insurance renewal went from a nightmare to a formality. AMVIA's security monitoring and monthly reporting gave our insurer exactly what they needed.
Finance DirectorLeeds Accountancy Practice

Will I keep my existing phone numbers?

Yes. Free number porting for all UK geographic and non-geographic numbers. Zero downtime during the switch.

What if my internet goes down?

Automatic failover redirects calls to mobiles, backup connections, or voicemail. We recommend pairing VoIP with a dedicated leased line for maximum resilience.

Am I committing to anything by filling in the form?

No. You get a tailored quote with transparent per-user pricing. No credit card, no obligation.

Up to 70%
Savings vs traditional phone systems
1,200+
UK businesses trust AMVIA
99.99%
Call uptime SLA guaranteed
<60s
Free quote, no obligation

Business VoIP Done Right

70%
Savings
vs traditional phones
100%
Cloud
No on-site hardware
5min
Per User
Onboarding time

Traditional PBX vs VoIP

Feature ComparisonWhy businesses are switching
FeatureTraditional PBXVoIP
Monthly Cost£25–£50/userFrom £5.99/user
Upfront Hardware£5,000–£15,000£0
Remote WorkingLimited or extra costBuilt-in
ScalabilityEngineer visitAdd users instantly
Uptime SLABest effort99.99% guaranteed
Call RecordingExtra hardwareIncluded
Auto-AttendantExtra costIncluded
Mobile AppNot availableIncluded

How It Works

1

Tell Us Your Setup

Current phone system, number of users, and any integrations needed. Takes 60 seconds.

2

Get Your Quote

We design the right VoIP solution and provide transparent per-user pricing. No hidden costs.

3

Switch & Save

We handle number porting, setup, and user training. You keep your numbers, lose the bills.

Why Switch to VoIP?

The UK PSTN network switches off on 31 January 2027. Every business still relying on ISDN or analogue phone lines needs to migrate to an IP-based alternative before that date. VoIP replaces your entire phone system with a service that costs less, does more, and works from anywhere.

Slash Phone Bills by Up to 70%

Traditional PBX and ISDN systems cost £25–£50/user/month when you factor in line rental, maintenance, and hardware. VoIP starts from £5.99/user/month with calls, features, and support included.

The PSTN Switch-Off Is Coming. VoIP Is Essential

BT is switching off the PSTN and ISDN networks on 31 January 2027. Every UK business still on legacy phone lines needs to migrate to an IP-based system before that date. If you haven't switched yet, you're on borrowed time.

Work From Anywhere

VoIP works on desk phones, laptops, and mobiles. Your team takes calls on their business number whether they're in the office, at home, or travelling. One number, every device.

Microsoft Teams Integration

Route calls through Microsoft Teams with Direct Routing or Operator Connect. One app for calls, meetings, and messages. No separate phone system needed.

Enterprise Features at SME Prices

Auto-attendant, call recording, call queues, voicemail-to-email, and real-time analytics. Features that used to require a £50,000 PBX, now included from £5.99/user/month.

Keep Your Numbers, Lose the Hassle

Free number porting for all UK geographic and non-geographic numbers. AMVIA manages the entire migration with zero downtime and zero disruption to your callers.

Signs You Need to Switch to VoIP

If any of these apply, you're overpaying for your phone system:

Your phone system still runs on ISDN or analogue lines
Phone bills exceed £15/user/month
Staff work remotely or across multiple sites
Callers hear engaged tones or get put on hold too long
You can't see call data or missed call reports
Your current provider takes weeks for simple changes

VoIP Performance Metrics

99.99%
Uptime SLA guaranteed
<20ms
Jitter for crystal-clear calls
<150ms
Latency end-to-end
UK
All data hosted in UK data centres

VoIP Solutions for Every Business

Most Popular
Hosted Phone System
Full cloud PBX. Auto-attendant, call queues, voicemail-to-email, and call recording. All included.
Teams
Teams Direct Routing
Route external calls through Microsoft Teams. Use your business numbers directly in the Teams app.
Upgrade
SIP Trunking
Replace ISDN lines with SIP trunks. Keep your existing PBX hardware, just change the connection.
Enterprise
Multi-Site VoIP
One phone system for all offices. Centralised management and inter-site calling included.
Advanced
Contact Centre
IVR menus, skills-based routing, wallboards, and real-time analytics for customer-facing teams.

VoIP by Industry

Professional Services

Law firms, accountants, and consultancies need call recording for compliance, auto-attendant for professional greetings, and mobile access for client-facing staff.

Healthcare

Manage patient appointment calls, integrate with clinical systems, and meet NHS Digital standards for secure communications.

Retail & Hospitality

Multi-site call routing, IVR menus for reservations and enquiries, and wallboards for monitoring call volumes across locations.

Financial Services

FCA-compliant call recording, encrypted communications, and integration with CRM platforms for regulated client interactions.

Education

Term-time flexibility, automated holiday messages, multi-campus call routing, and cost control for budget-conscious institutions.

One Phone System, Every Device

Microsoft Teams
Mobile App
Desk Phones
Web Browser
Softphone
Conference Rooms

Frequently Asked Questions

How much does business VoIP cost per month?
AMVIA business VoIP starts from £5.99/user/month for a fully-featured cloud phone system including calls, voicemail, call recording, auto-attendant, and mobile app. Pricing depends on the number of users and features required. We provide transparent per-user pricing. No hidden costs.
Will I keep my existing phone numbers?
Yes. AMVIA handles free number porting for all UK geographic (01/02) and non-geographic (03/08) numbers. The porting process typically takes 5–10 working days, and we ensure zero downtime during the switch.
What happens to calls if the internet goes down?
AMVIA VoIP includes automatic failover. If your internet drops, calls redirect to mobile numbers, a backup connection, or voicemail. For maximum resilience, we recommend pairing VoIP with a dedicated leased line and 4G/5G backup.
Do I need to buy new phones?
Not necessarily. SIP-compatible desk phones work with our system immediately. If you're starting fresh, we supply pre-configured handsets, or your team can use softphones on laptops and the mobile app on their phones. No hardware required.
How long does it take to switch to VoIP?
Most businesses are fully migrated within 5–15 working days. Simple setups with new numbers can go live same day. Number porting adds 5–10 working days. AMVIA manages the entire migration including user training.
Can VoIP work with Microsoft Teams?
Yes. AMVIA offers Microsoft Teams Direct Routing and Operator Connect, allowing you to make and receive external calls directly within Teams using your business phone numbers. One app for calls, meetings, and messages.
Is VoIP secure?
AMVIA VoIP uses TLS and SRTP encryption for all calls. We're ISO 27001 aligned and all voice data is processed and stored in UK data centres, compliant with UK GDPR requirements.
Will I be locked into anything after I click?
No. Completing the form simply gets you a tailored quote. You're not committed to anything. No credit card required, no obligation.

Ready to Cut Your Phone Bill?

Join 1,200+ UK businesses saving up to 70% on phone costs with AMVIA VoIP.

Get My Free VoIP Quote

Or call us: 0333 733 8050