Side by side

FusionPBX vs VitalPBX

FusionPBX

6.3#12 in ip pbx softwareFrom $100 a month

WebAPILinuxSelf-hosted

8.8#2 in business phone systemsFrom $100 a month

Free planAndroidiOSWebAPI

Fact	FusionPBX	VitalPBX
API	The maker lists a JSON REST API among the member applications available at Purple and Gold levels.	VitalPBX provides an API for retrieving information from the PBX and tenants; administrators create scoped application keys in the admin interface and the full reference is published in Postman.
Auto attendant	Yes	Yes
Call routing	custom	custom
Free plan	Yes	Yes
Integrations	Gateways can connect FusionPBX to other VoIP servers, voice providers, or systems requiring SIP registration.	The site lists CRM connectivity with Zoho, Odoo, and Salesforce, plus SMS and WhatsApp integration.
Multi-tenancy	FusionPBX supports single or domain-based multi-tenant deployments.	The Multi-Tenant plan lists up to 100 tenants in the comparison table.
Product	FusionPBX is an open-source web interface for the FreeSWITCH communication platform and can serve as a PBX, call center, fax, voicemail, conference, or voice application server.	VitalPBX is a unified communications PBX built on Asterisk and Linux for business telephony, call routing, call centers, multi-tenant deployments and CRM connectivity.
Security	The security guide says the default certificate is self-signed and recommends firewalls, strong passwords, SSH, and keeping the operating system, FreeSWITCH, and FusionPBX updated.	The feature comparison lists Firewall and Intrusion Detection across Community, Enterprise, Call Center, Multi-Tenant, and VitalPBX One.

You want what its maker publishes above — check its page for the details.

You want what its maker publishes above — check its page for the details.