Microsoft Teams
9.0#1 in business phone systemsFree planFree planAndroidiOSWebLinux
Visit| Fact | Microsoft Teams | Slingshot VoIP |
|---|---|---|
| Free plan | Yes | No |
| Integrations | Microsoft 365,SharePoint,OneDrive,Outlook,Exchange,Planner,Forms,Power BI,OneNote,Power Apps,Power Automate,LinkedIn | The company says it integrates with Microsoft Teams and Salesforce and offers contact synchronization and a custom API for CRM integrations. |
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.
You want what its maker publishes above — check its page for the details.