Business Phone Systems
Business phone systems for Microsoft Teams
13 of the 45 business phone systems in this directory name Microsoft Teams as an integration.
A listing names at most eight integrations, so this is what each tool chose to show rather than everything it connects to. 1 of them is free or has a free plan.
Listings checked up to Nov 12, 2026 · Where the facts come from
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| RingCentralCloud phone system with texting, fax, video meetings and team chat | Free trial · from $20/mo | Trial only | Web, macOS, Windows, iOS, Android |
| DialpadAI business phone with live call transcripts and call summaries | Free trial · from $15/mo | Trial only | Web, macOS, Windows, iOS, Android, Browser extension |
| NextivaBusiness phone, texting and video with an optional AI receptionist | From $15/mo | No | Web, macOS, Windows, Linux, iOS, Android |
| 8x8Cloud phone system with team chat, meetings and a receptionist console | Paid | No | Web, macOS, Windows, iOS, Android |
| Vonage Business CommunicationsBusiness phone lines with texting, video meetings and team chat | From $19.99/mo | No | Web, macOS, Windows, iOS, Android, Browser extension |
| CloudTalkCloud call center phone system with dialers and AI voice agents | Free trial · from $25/mo | Trial only | Web, macOS, Windows, Linux, iOS, Android |
| Net2PhonePer-user cloud phone system with video, SMS and AI call tools | Free trial · from $27.99/mo | Trial only | Web, macOS, Windows, iOS, Android |
| YeastarP-Series PBX in cloud, software or appliance editions | Free trial | Trial only | Web, macOS, Windows, iOS, Android, Browser extension |
| SangomaBusiness phone system in cloud, hybrid and on-premises forms | Paid | No | Web, macOS, Windows, iOS, Android |
| CrexendoCloud business phone system with call center and AI receptionist | Paid | No | Web, iOS, Android |
| LingoCloud business phone with broadband and managed security | Paid | No | iOS |
| TelnyxPay-as-you-go phone numbers, voice, SMS and SIP APIs | From $1/mo | No | Web |
| ZadarmaCloud PBX and virtual numbers in 110+ countries, free to start | Free plan · from $39/mo | Yes | Web, macOS, Windows, iOS, Android, Browser extension |
Common questions
Which business phone systems work with Microsoft Teams?
13 of the 45 business phone systems in this directory name Microsoft Teams as an integration. They are RingCentral, Dialpad, Nextiva, 8x8, Vonage Business Communications, CloudTalk, Net2Phone, Yeastar, Sangoma, Crexendo, Lingo, Telnyx and Zadarma.
Are these the only business phone systems that work with Microsoft Teams?
Probably not. A listing names at most eight integrations, so a tool that connects to Microsoft Teams may still not say so among the eight it chose. 32 of the 45 business phone systems here do not name it; that is a "does not say", not a "cannot". Check the vendor's own integrations page before you rule one out.
Which of these business phone systems are free?
Zadarma is free or has a free plan.
When was this checked?
Each listing shows its own date. On this page they run from Oct 17, 2026 to Nov 12, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.
This page is built from the listings. A tool is here because its listing says so, and each listing names the pages it was read from.