OPBX
The facts below are what the maker publishes about OPBX, checked and dated. Our editors have not written about it yet.
The facts
Each one read from OPBX's own pages, with the date it was checked.
What it does
- Access controls
- The platform has Owner, PBX Admin, PBX User, and read-only Reporter roles, with tenant data isolation.checked 13 Oct 2026
- AI routing
- AI load balancers can distribute calls by round robin, priority, or percentage and can fail over to another assistant.checked 13 Oct 2026
- API
- The OPBX REST API is documented with OpenAPI 3.1.0.checked 13 Oct 2026
- Call handling
- It routes calls to extensions, ring groups, IVRs, business hours, conference rooms, AI assistants, and AI load balancers.checked 13 Oct 2026
- Call routing
- customchecked 22 Sep 2026
- Call security
- Inbound blacklisting supports exact, prefix, or wildcard caller matching; outbound whitelisting restricts destinations by country and prefix.checked 13 Oct 2026
- Deployment
- OPBX can be installed with Docker Compose; the guide recommends at least 4 GB RAM and 20 GB disk space.checked 13 Oct 2026
- Dialer
- The outbound auto dialer supports scheduled campaigns, concurrent-call and call-speed limits, voicemail detection, retries, and real-time monitoring.checked 12 Oct 2026
- Integration
- OPBX delegates VoIP call handling and SIP services to Cloudonix CPaaS, configured with a domain UUID, API key, and public webhook URL.checked 12 Oct 2026
- Integrations
- OPBX uses Cloudonix CPaaS for call handling and SIP services, and supports AI assistants configured over SIP or WebSocket.checked 13 Oct 2026
- Multi-tenant use
- The platform supports isolated organizations and is designed to let service providers manage multiple organizations.checked 12 Oct 2026
- Operational limits
- The Auto Dialer is available only to Owners and PBX Admins.checked 12 Oct 2026
- Outbound campaigns
- Its auto dialer supports scheduled campaigns, call-rate limits, voicemail detection, retries, and real-time monitoring.checked 13 Oct 2026
- Product
- OPBX is an open-source, multi-tenant business PBX platform built on Cloudonix CPaaS.checked 12 Oct 2026
- Roles
- The documented roles are Owner, PBX Admin, PBX User, and Reporter, with different access permissions.checked 12 Oct 2026
- Security
- The security guide describes Laravel Sanctum authentication, CSRF protection for browser sessions, and role-scoped API tokens that expire after 24 hours.checked 13 Oct 2026
- Support
- Cloudonix offers support through its ticketing system and Discord community.checked 13 Oct 2026
- What it is
- OPBX is an open-source, multi-tenant business PBX built on Cloudonix CPaaS.checked 13 Oct 2026
Money
- Free access
- The maker invites users to open a free OPBX Cloud testing account.checked 13 Oct 2026
- Free plan
- Yeschecked 22 Sep 2026
Alternatives to OPBX
- 1
Microsoft Teams
Free planAndroidiOSWebLinux9.0Free plan - 2
Nextiva
AndroidiOSWebAPI8.8From $15 a month - 3

VitalPBX
Free planAndroidiOSWebAPI8.8From $100 a month - 4
NFON Cloudya
AndroidiOSWebAPI8.6From €4.50 a month - 5
Ringover
AndroidiOSWebAPI8.6 - 6
OnSIP
Free planAndroidiOSWebmacOS8.6From $49.95 a month
