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 GBP per user per month; Pay As You Call costs 2.95 USD per user per month plus calls.
Who it is for
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 is good
- 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
Verdict
NMPBX combines business telephony with searchable call analysis and structured controls. Its two paid plans differ mainly in how UK calls are billed.
NMPBX plans and pricing
All plansCompared on business phone systems
- Free plan
- No
- Business numbers
- multiple
- Auto attendant
- Yes
- Call routing
- custom
- Voicemail transcription
- Yes
- Desktop and mobile apps
- Yes


