There is no single best PBX. The right one depends on your size, budget, and whether you need fax. Here are ten options, listed in no particular order, with what each does best.
Disclosure: we build Telvora PBX, so we are biased. Check current features and prices on each vendor's own website before you decide.
1. 3CX
A polished commercial phone system with a broad feature set and licensing by edition.
2. FreePBX
A popular open-source web interface for Asterisk with a large community.
3. Telvora PBX
Calls and fax in one system, a free Community plan and paid deployment. This is our product, so weigh our entry with that in mind.
4. Vicidial
Open-source contact center software known for outbound and predictive dialing.
5. FusionPBX
An open-source interface for FreeSWITCH that supports multi-tenant setups.
6. Issabel
An open-source unified communications distribution built on Asterisk.
7. Yeastar
Commercial PBX appliances and software for offices that want vendor support.
8. Grandstream UCM
Hardware PBX appliances that pair well with Grandstream phones.
9. RingCentral
A large cloud communications service for businesses that want everything hosted.
10. Zoom Phone
A cloud phone service that fits teams already living in Zoom.
How to choose
- Need fax and calls together: look at built-in fax support.
- Heavy outbound calling: look at a dedicated dialer.
- No server at all: pick a cloud service.
- Reselling: check white-label and multi-client options.
See our side-by-side comparison or try the free plan.