Side by side
Line2 vs PortSIP PBX
Both stand on business phone systems. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid AndroidiPhoneMac+2
Line2 combines a second number with calling, texting, routing, and voicemail controls across major platforms. Review carrier restrictions and the listed plan terms before choosing a subscription.
Visit Line2 Free plan AndroidAPIiPhone+4
Choose PortSIP PBX if you need a broad communications platform with a free edition and multiple deployment options. The free edition has firm extension and simultaneous-call caps, while license prices require a quote, so organizations planning beyond those limits should review licensing with PortSIP.
Visit PortSIP PBXThe facts
| Line2 | PortSIP PBX | |
|---|---|---|
| Free plan | Not published | Yes |
| Open source | Not published | Not published |
| Runs on | Android, iPhone, Mac, Web, Windows | Android, API, iPhone, Linux, Self-hosted, Web, Windows |
| Lowest paid plan | Monthly subscription: $10.99 a month | Free or on request |
| Plans published | 8 | 5 |
| Maker | Not published | Not published |
| Website | line2.com | portsip.com |
| On business phone systems | #151 of 174 | #3 of 174 |
Line2: what it does well
- Second number for calls and texts
- Unlimited US and Canada VoIP calling
- Local, vanity, and multiple numbers
- Automatic call recording listed
- Apps for Android, iOS, macOS, Windows, and web
What to know first
- Cellular providers may restrict VoIP
- Extra carrier fees may apply
- Business SMS/MMS registration is required
- Some plans list no limits
PortSIP PBX: what it does well
- Free Edition includes all features.
- Custom call routing and an auto attendant are included.
- Contact center tools include skill-based routing and live wallboards.
- Deploy on premises, in a data center, or on major cloud platforms.
- Microsoft 365 integration includes provisioning, SSO, and contact synchronization.
What to know first
- Free Edition is limited to 3 extensions and 2 simultaneous calls.
- Licensed Edition prices are available by quote only.
- Linux PBX installation uses Docker and lists Debian and Ubuntu.
Alternatives to Line2 Alternatives to PortSIP PBX The whole list