FusionPBX
6.3#12 in ip pbx softwareFrom $100 a monthWebAPILinuxSelf-hosted
VisitFusionPBX vs PortSIP PBX
PortSIP PBX
8.0#20 in business phone systemsFree planFree planAndroidiOSWebAPI
VisitWhat both publish
| Fact | FusionPBX | PortSIP PBX |
|---|---|---|
| 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. | Microsoft 365 integration supports user provisioning, SSO in web and native apps, and directory and contact synchronization. |
| 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. | PortSIP PBX is a multi-tenant communications platform for service providers and MVNOs offering Cloud PBX, UCaaS, CPaaS, and CCaaS services. |
| 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. | PortSIP PBX and its apps support SRTP and DTLS-SRTP media encryption, with AES-256 when enabled. |
| Support | Official support is offered to Blue, Purple, and Gold members through support tickets, with monthly support hours included according to membership level. | The product page advertises 24 x 7 support. |
| Voicemail transcription | Yes | Yes |
FusionPBX plans
- Green Membership$100 a month
- Blue Membership$300 a month
- Purple Membership$500 a month
- Gold Membership$1,000 a month
PortSIP PBX plans
- Free EditionFree
- Licensed Edition — Perpetual—
- Licensed Edition — Annual—
- Annual licensePriced on request
- Perpetual licensePriced on request
Pick FusionPBX if…
You want what its maker publishes above — check its page for the details.
Pick PortSIP PBX if…
PortSIP PBX suits service providers and MVNOs that need a broad communications, contact-center, and developer platform. It also fits organizations choosing self-hosted, cloud, or Docker deployment with Microsoft 365 integration.