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SPECIFICTION
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PortSIP Softphone

portsip.com

Free plan WindowsiOSAndroid
Visit portsip.com
Spec score 7.5 #23 of 33 in Softphone Software

What it is

PortSIP Softphone is a free app for Windows, iOS, and Android with browser calling and SIP support. It is the legacy app for PortSIP PBX v16.x; the maker directs users of PBX v22.x to PortSIP ONE. The broader PortSIP PBX offering brings calls, messaging, and meetings together, including call routing, SMS, WhatsApp, team messaging, contact center tools, and voice and video meetings. Contact center functions include skill-based routing, queue strategies, live wallboards, analytics, real-time monitoring, and training tools. The maker also describes AI features for call and voicemail transcription, notes, summaries, and sentiment analysis. PBX deployments can run on customer infrastructure, Azure, AWS, or GCE, in a cloud, data center, or on premises using Docker. Microsoft 365 integration supports user provisioning, single sign-on in web and native apps, and directory and contact syncing. The PBX Free Edition costs nothing and supports 3 extensions and 2 simultaneous calls. Paid PBX licenses require a quote and may be perpetual or annual.

Spec sheet

Deployment
PortSIP PBX can run on customer infrastructure, Azure, AWS or GCE, and can be deployed in the cloud, a data center or on premises using Docker.Read 5 Oct 2026 · portsip.com
Support
The site advertises 24 x 7 support and says all SDK packages include a one-year warranty with free updates and technical support.Read 5 Oct 2026 · portsip.com
AI features
PortSIP PBX describes AI-powered call and voicemail transcription, notes and summaries, and sentiment analysis for calls.Read 5 Oct 2026 · portsip.com
Communications features
PortSIP PBX lists calls, messaging and meetings on a single platform, along with call routing, SMS, WhatsApp, team messaging, contact center, and voice and video meetings.Read 5 Oct 2026 · portsip.com
Contact center
Contact center features include skill-based routing, queue strategies, live wallboards, analytics and reporting, real-time monitoring and training tools, and SMS and WhatsApp integration.Read 5 Oct 2026 · portsip.com
Developer integrations
PortSIP lists REST APIs, Pub/Sub, messaging APIs, webhooks, a calling SDK and call control APIs for custom integrations.Read 5 Oct 2026 · portsip.com
Legacy status
PortSIP Softphone is the legacy app for PortSIP PBX v16.x; the page directs users of PBX v22.x to PortSIP ONE.Read 5 Oct 2026 · portsip.com
Licensing limits
Paid PBX licenses are based on extension count and include a 1:1 ratio of simultaneous calls; the pricing page says the free edition supports 3 extensions and 2 simultaneous calls.Read 5 Oct 2026 · portsip.com
Microsoft 365 integration
Microsoft 365 integration supports user provisioning, SSO in web and native apps, and syncing directory users and contacts.Read 5 Oct 2026 · portsip.com
Multi-tenant privacy
The maker says each PBX tenant is isolated and cannot see other tenants’ data or settings.Read 5 Oct 2026 · portsip.com
Product scope
PortSIP describes its communications offering as an all-in-one unified communications solution for service providers, enterprises and critical infrastructure sectors.Read 5 Oct 2026 · portsip.com
Scale
The maker says a single deployment can support 50,000–100,000 simultaneous online users.Read 5 Oct 2026 · portsip.com

Plans and prices

PortSIP PBX Free Edition Free Up to 2 simultaneous calls · 3 extensions Read 5 Oct 2026 · portsip.com
PortSIP Softphone Free Legacy app supports PortSIP PBX v16.x · Windows, iOS and Android downloads listed Read 5 Oct 2026 · portsip.com
PortSIP PBX paid licenses Priced on request Quote required; perpetual or annual licenses Based on extension users · 1:1 ratio of extensions to simultaneous calls · all features included Read 5 Oct 2026 · portsip.com

Every PortSIP Softphone plan and price →

Strong points and limits

Strong points

  • Softphone downloads are listed for Windows, iOS, and Android.
  • Browser calling and SIP support are listed.
  • PBX supports several deployment environments.
  • Microsoft 365 integration includes provisioning and directory syncing.

Limits

  • The softphone is the legacy app for PBX v16.x.
  • The PBX Free Edition is limited to 3 extensions and 2 simultaneous calls.
  • Paid PBX licenses require a quote.

Who it suits

It suits users of PortSIP PBX v16.x who need a softphone on Windows, iOS, Android, or in a browser. Organizations considering PBX v22.x should note the maker's direction to PortSIP ONE.

Verdict

PortSIP Softphone covers common calling platforms, but its legacy status makes the PBX version relevant when choosing an app. The wider PBX platform has extensive communications and deployment options; its free edition has defined extension and call limits.

Where Specifiction places it

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