PortSIP PBX Free Edition
Free
Up to 2 simultaneous calls · 3 extensions
Checked 5 Oct 2026
Plans and prices
PortSIP Softphone pricing
PortSIP Softphone
Free
Legacy app supports PortSIP PBX v16.x · Windows, iOS and Android downloads listed
Checked 5 Oct 2026
PortSIP PBX paid licenses
Priced on request
Based on extension users · 1:1 ratio of extensions to simultaneous calls · all features included
Checked 5 Oct 2026