RingCentral Alternative: Open-Source VoIP PBX

RingCentral prices per user, per month, and climbs with every feature tier. Our hosted PBX is open-source and flat-priced, with the auto-attendant, ring groups, and extensions included.

Free migration · No contract · 30-day refund

Side by side

Our VoIP PBX vs RingCentral

Both run a professional phone system. The differences are the pricing model, how much bundled software you need, and who owns the call data.

Based on publicly listed details as of September 2026. Competitor pricing and features change; check their site for current figures.
  VoIP PBX on Last Hour RingCentral
Pricing model Flat monthly, no per-user fees Per user, per month, tiered
Software license Open source PBX Proprietary
Auto-attendant & menus ✓ Included ✓ Included
Ring groups & queues ✓ Unlimited ✓ Included
Softphone & desk phones ✓ Standard SIP ✓ Their apps / supported phones
Video meetings & team chat Separate open-source tools ✓ Bundled
Data ownership Your server, your call logs Their cloud
Free migration ✓ Done for you Number porting only

Straight talk

Where each one wins

What RingCentral does well

  • One vendor for calls, meetings, and team messaging
  • Polished apps across desktop and mobile
  • Deep contact-center and enterprise features
  • Reliable, well-known uptime and support

Where RingCentral may still be the better fit

  • You need bundled video, chat, and contact-center tools
  • You want one vendor and one support line for all of it
  • You rely on specific RingCentral integrations
  • You don't want to manage a SIP provider separately

Our honest take: if you want one polished vendor for voice, video, and chat, RingCentral earns its price. If you mainly need reliable business calling at a flat rate and want to own the logs, our hosted PBX is the honest choice.

Frequently asked questions

Does your VoIP system charge per user like RingCentral?

No. Our hosted PBX is a flat monthly price. You can add extensions, ring groups, and an auto-attendant without per-user fees.

Can I port my RingCentral numbers?

Yes. You can port your existing numbers to a SIP provider we support, such as SignalWire or Twilio, and keep them while running our PBX behind it.

What apps and phones work with the PBX?

Desktop and mobile SIP apps, standard VoIP desk phones, and softphones all connect to the hosted PBX.