Microsoft Teams
9.0#1 in business phone systemsFree planFree planAndroidiOSWebLinux
VisitMicrosoft Teams vs OnSIP
What both publish
| Fact | Microsoft Teams | OnSIP |
|---|---|---|
| Founded | 1975 | 2004 |
| Free plan | Yes | Yes |
| Headquarters | Redmond, Washington, United States | Sunnyvale, California, United States |
| Supported platforms | Teams is available on desktop, web, mobile, Windows, and macOS. | Apps are available for Windows, Mac, web, iPhone, and Android. |
Microsoft Teams plans
- Microsoft Teams FreeFree
- Microsoft Teams Essentials$4
- Microsoft 365 Business Basic$7
- Microsoft 365 Business Standard with Copilot$23.50
- Microsoft Teams Phone Standard—
- Microsoft Teams Phone StandardPriced on request
OnSIP plans
- Free PlanFree
- Unlimited$18.95 a month
- Basic$49.95 a month
- Pay-as-you-go$49.95 a month
Pick Microsoft Teams if…
Teams suits individuals who want chat and calls without a subscription, as well as businesses coordinating meetings and work across Microsoft 365 apps. Its listed business plans cover organizations with up to 300 users, with an enterprise option presented for more than 300 people.
Pick OnSIP if…
OnSIP suits businesses looking for a phone system with custom call routing, multiple business numbers, and apps across desktop and mobile. Its free plan may suit teams that do not need to call regular phone numbers from free SIP accounts.