OnSip review & pricing
Our verdict
A quiet small-business workhorse — no AI fireworks, just dependable hosted PBX with flexible phones and honest pricing. Ideal for sub-25-user offices that want basics done well; outgrown once advanced collaboration enters the picture.
Overview
OnSip is a straightforward business VoIP service (from Cloud Communication Group) focused on small teams: reliable cloud PBX, flexible device support and simple per-user pricing without contracts.
Best for
- Very small teams wanting simple, contract-free VoIP
- Offices with existing SIP phones (broad device support)
- Businesses prioritizing call features over collaboration suites
Pros & cons
What we like
- Simple, honest per-user pricing with monthly flexibility
- Wide SIP phone support (bring your own device)
- Reliable core PBX feature set
- US-based support reputation
What to watch
- No built-in team chat/video suite
- Limited integrations and analytics
- Not built for 50+ user collaboration needs
Key facts
| Starting price | from about $19 per user/month (list) |
|---|---|
| Pricing model | Per-user monthly subscription, no contract |
| Best segments | Small business |
| Founded | 2004 |
| Headquarters | New York, New York |
| Website | www.onsip.com |
Feature snapshot
| Hosted PBX & auto-attendant | ✓ Included |
|---|---|
| Unlimited US calling plans | ✓ Included |
| BYOD SIP phone support | ✓ Included |
| HD video (browser) | ✓ Included |
| Team chat suite | ✗ Not available |
Ranked in
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This review is editorial and independent. Pricing references published list rates as of September 2026 and changes frequently — always verify with a current quote. Vendor names are trademarks of their respective owners; The VoIP Advisors is an independent advisory firm and is not affiliated with OnSip.