Avaya IP Office
5.3#15 in ip pbx softwareAndroidiOSmacOSWindows
VisitAvaya IP Office vs PortSIP PBX
PortSIP PBX
8.0#22 in business phone systemsFree planFree planAndroidiOSWebAPI
VisitAvaya IP Office plans
No prices published.
PortSIP PBX plans
- Free EditionFree
- Licensed Edition — Perpetual—
- Licensed Edition — Annual—
- Annual licensePriced on request
- Perpetual licensePriced on request
Pick Avaya IP Office 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.