Side by side
BT Cloud Voice 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.
BT Cloud Voice combines internet calling, routing, voicemail, conferencing, analytics, and collaboration integrations. The tiered plans add features progressively, but the stated 60-month licence commitment is central to purchasing.
Visit BT Cloud VoiceChoose 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
| BT Cloud Voice | PortSIP PBX | |
|---|---|---|
| Free plan | No | 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 | Basic: £10.52 a month | Free or on request |
| Plans published | 3 | 5 |
| Maker | Not published | Not published |
| Website | business.bt.com | portsip.com |
| On business phone systems | #98 of 174 | #3 of 174 |
BT Cloud Voice: what it does well
- Local business numbers and advanced call routing
- Apps for Android, iOS, macOS, web, and Windows
- Optional UK and international call packages
- 24/7 UK-based helpdesk
- Webex collaboration and Teams click-to-call integration
What to know first
- No free plan
- Plans require 60-month licences
- Only phones from BT’s Cloud Voice portfolio can be used
- Internet connection with sufficient bandwidth is required
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 BT Cloud Voice Alternatives to PortSIP PBX The whole list