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NMPBX
by NMPBX

What NMPBX is
NMPBX is a UK cloud VoIP business phone system for businesses needing calls, handsets, support, and call analysis. It supports multiple business numbers, custom call routing, an auto attendant, IVR, call queues, hunt groups, voicemail to email, number porting, and call recording. Its analysis service transcribes completed calls and scores conversations for tone and outcome. Semantic search lets users find transcript passages by meaning alongside sentiment and business-outcome scores. Desktop and mobile apps are available for Windows, Android, and iOS. An optional CRM add-on is listed for Salesforce, Zoho, SugarCRM, SuiteCRM, ConnectWise, and Zapier, while Wallboard displays live call activity and agent statistics. Hosting is in UK Tier-3+ data centres, with stated 99.99% uptime. Listed controls include role-based access, audit logs, and granular permissions. Unlimited costs £3.10 per user per month; Pay As You Call costs $2.95 per user per month plus calls.
Who it suits
NMPBX suits UK businesses from around five users to 250 and beyond, including manufacturers, schools, property managers, self-storage operators, and professional services firms. It is also suited to teams wanting call analysis and UK-based support.
What it does well
- Call transcripts include tone and outcome scores
- Semantic search shows sentiment and business outcomes
- Apps support Windows, Android, and iOS
- Custom routing, queues, and hunt groups included
- UK office-hours support and account management included
What to know first
- No free plan is listed
- Pay As You Call adds call charges
- Wallboard is an optional extra
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Unlimited | per user, per month · UK landline and mobile calls included, subject to fair usage · international and premium-rate numbers charged as used · all features included | £3.10 a month |
| Pay As You Call | per user, per month, plus calls · UK calls charged as used · international and premium-rate numbers charged as used · all features included | $2.95 a month |
As nmpbx.co.uk lists them, read 11 Oct 2026. The maker's own page has the final word.
Verdict
NMPBX combines business telephony with searchable call analysis and structured controls. Its two paid plans differ mainly in how UK calls are billed.
Facts from NMPBX's own pages
- AI data handling
- The maker says call audio is processed in UK data centres, AI processing is in the EU, and data is not used to train third-party models. · nmpbx.co.uk, 11 Oct 2026
- API
- The maker says developers can access underlying phone-system APIs and that a full NMPBX API for call data and AI analysis is on the roadmap. · nmpbx.co.uk, 11 Oct 2026
- Auto attendant
- Yes · nmpbx.co.uk, 22 Sept 2026
- Business numbers
- multiple · nmpbx.co.uk, 22 Sept 2026
- Call analysis
- It transcribes calls and scores conversations for tone and outcome after they end. · nmpbx.co.uk, 11 Oct 2026
- Calling features
- Included calling features include auto attendant and IVR, call queues and hunt groups, voicemail to email, number porting, and call recording. · nmpbx.co.uk, 11 Oct 2026
- Call routing
- custom · nmpbx.co.uk, 22 Sept 2026
- Compliance
- The maker states that it is Cyber Essentials Plus certified, ICO registered, and GDPR aligned. · nmpbx.co.uk, 11 Oct 2026
- Desktop and mobile apps
- Yes · nmpbx.co.uk, 22 Sept 2026
- Free plan
- No · nmpbx.co.uk, 22 Sept 2026
- Guarantee
- The maker offers a three-month satisfaction guarantee and says customers may leave with their numbers if it does not deliver what it promised. · nmpbx.co.uk, 11 Oct 2026
- Headquarters
- Wymondham, Norfolk, UK · nmpbx.co.uk, 19 Oct 2026
- Hosting
- The system is hosted in UK Tier-3+ data centres, and the maker states 99.99% uptime. · nmpbx.co.uk, 11 Oct 2026
- Integrations
- An optional CRM add-on is listed for Salesforce, Zoho, SugarCRM, SuiteCRM, ConnectWise, and Zapier. · nmpbx.co.uk, 11 Oct 2026
- Intended customers
- NMPBX says it serves UK businesses from around 5 users to 250 and beyond, including manufacturers, schools, property managers, self-storage operators, and professional services firms. · nmpbx.co.uk, 11 Oct 2026
- Optional add-on
- NMPBX Wallboard is an optional extra that displays live call activity and agent statistics. · nmpbx.co.uk, 11 Oct 2026
- Product
- NMPBX is a UK cloud VoIP business phone system with calls, handsets, support, and call analysis. · nmpbx.co.uk, 11 Oct 2026
- Security
- The maker lists role-based access control, audit logs, and granular permissions for recordings and transcripts. · nmpbx.co.uk, 11 Oct 2026
- Semantic search
- Users can search transcripts by meaning and see each result’s sentiment score and business outcome. · nmpbx.co.uk, 11 Oct 2026
- Support
- UK office-hours support is included, with a dedicated account manager, quarterly health checks, contractual SLAs, and team training. · nmpbx.co.uk, 11 Oct 2026
- Voicemail transcription
- Yes · nmpbx.co.uk, 22 Sept 2026
Where NMPBX stands on Freedom251
- Business Phone Systems#139 of 167