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ShadowPBX

FREEyesDOCS3/5
SH5.9#88of 174

Ranked in Business Phone Systems·Free plan·paid from $29/mo

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About

ShadowPBX is ranked #88 of 174 in business phone systems on Inferse. It runs on API, Self-hosted. There is a free plan. Paid plans start at $29/mo.

Compared on business phone systems

Free plan
Yesshadowpbx.com
Included users
10 usersshadowpbx.com
Business numbers
multipleshadowpbx.com
Auto attendant
Yesshadowpbx.com
Call routing
customshadowpbx.com

Facts

Product
ShadowPBX is an open-source, self-hosted IP phone system built in Node.js.shadowpbx.com · 11 Oct 2026
Telephony
It supports SIP registration, inbound DID routing, outbound routing, call queues, IVR, voicemail, call recording, and supervisor monitoring.shadowpbx.com · 11 Oct 2026
Dialers
Dialing features include auto, predictive, power, and progressive dialers, plus campaign management and Do Not Call list scrubbing.shadowpbx.com · 11 Oct 2026
Trunk integrations
The maker lists verified compatibility with SignalWire, Twilio, and Telnyx, and compatibility with Vonage, Flowroute, VoIP.ms, and Bandwidth.shadowpbx.com · 11 Oct 2026
Bring your own trunk
Users can connect an existing standards-compliant SIP trunk and configure it through the web GUI or API.shadowpbx.com · 11 Oct 2026
APIs
The product provides REST APIs, including for call transfer, voicemail management, and supervisor monitoring.shadowpbx.com · 11 Oct 2026
Recordings
A dedicated background worker converts RTPEngine packet captures to WAV files and links recordings to call detail records.shadowpbx.com · 11 Oct 2026
Dashboard
A Socket.IO dashboard displays active calls, registered extensions, call statistics, and system health.shadowpbx.com · 11 Oct 2026
Security
The maker describes HTTPS and WSS through an Nginx reverse proxy with Let's Encrypt certificates, fail2ban protection, and SIP registration rate limiting.shadowpbx.com · 11 Oct 2026
Access controls
The product has Admin, Supervisor, and Agent roles with scoped access, and uses bcryptjs password hashing.shadowpbx.com · 11 Oct 2026
Deployment
The product is designed to be installed on the user's server, and the maker advertises a single install script.shadowpbx.com · 11 Oct 2026
License
The project is MIT licensed, with the maker stating that all features are available without paid modules or feature gates.shadowpbx.com · 11 Oct 2026
Support and development
The maker invites users to open issues and submit pull requests through the project repository.shadowpbx.com · 11 Oct 2026
Company details
The about page does not state a headquarters or founding year.shadowpbx.com · 11 Oct 2026

Best ShadowPBX alternatives

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Yeastar P-Series Cloud Edition01 8.2Placetel02 €690/mo8.0Sonetel03 $9.95/mo7.8Anveo Integrated Voice 2.004 $0.55/mo7.8Dollu CCaaS05 7.7Sangoma PBXact06 $1.66/mo7.6

Where it ranks on Inferse

Sources