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FusionPBX

OPEN SRC

Web interface for multi-platform voice switch called FreeSWITCH

VG SCORE
9.0
VIEW ALTERNATIVES

Product Details

PricingOpen Source
API✅ REST
Learning CurveModerate
Integrations13 available

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PROS & CONS

STRENGTHS

  • Completely free and open-source with no licensing costs.
  • Powerful feature set rivaling commercial PBX systems.
  • Highly flexible and customizable due to its open-source nature.

WEAKNESSES

  • −Lacks official professional support, relying on community or paid third-party services.
  • −The web interface can feel dated and less polished compared to commercial alternatives.

KEY FEATURES

Multi-Tenant Architecture

Host multiple independent phone systems on a single installation.

Integrated Billing & Accounting

Includes tools for invoicing, payment processing, and rate management.

Advanced Call Routing

Configure IVRs, time conditions, and complex call flows via GUI.

High Availability & Failover

Built-in support for clustering and redundant systems.

WHO IS FusionPBX BEST FOR?

Small to medium businesses (SMBs) and call centers

It provides a cost-effective, open-source PBX/UC solution with advanced call routing, IVR, and call queuing features for managing business communications.

Small to medium-sized businesses (SMBs)

It provides a cost-effective, open-source PBX solution for managing business phone systems, voicemail, and call routing without high licensing fees.

INTEGRATIONS

Billing systemsSNMPWebRTCSIP trunksMonitoring tools (e.g., Nagios)SIP phones/trunksFail2banPostgreSQLCRM systemsAsteriskFreeSWITCHPayment gatewaysLDAP/Active Directory

TECHNICAL DETAILS

LEARNING CURVE
MODERATE — FEW HOURS
API

✓ REST

FIELD REPORTS (0)

No field reports yet. Be the first to review FusionPBX.

DOSSIER

LAST VERIFIED MAR 23, 2026
VISIT WEBSITE

FILED UNDER

Developer ToolsOpen Source

ALTERNATIVES

Flexisip9.0/10FreeSWITCH9.0/10Freepbx9.0/10
ALL ALTERNATIVES

INTEGRATIONS

Billing systemsSNMPWebRTCSIP trunksMonitoring tools (e.g., Nagios)SIP phones/trunksFail2banPostgreSQLCRM systemsAsteriskFreeSWITCHPayment gatewaysLDAP/Active Directory

PRICING MODEL

open source

BEST FOR

Small to medium businesses (SMBs) and call centers Small to medium-sized businesses (SMBs)

FEATURES

Has API

FINAL ASSESSMENT

APPROVED — WORTH YOUR MONEY

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