Business Voice

Phone System designed for small and medium businesses that integrates to Microsoft 365

Enterprise-grade phone system

Reliable and secure calling delivered from Microsoft’s trusted cloud.

Built-in audio conferencing

Add flexibility to your meetings with a dial-in number, integrated into every online meeting.

Calling plan

Get new phone numbers or migrate existing ones. Make and receive PSTN calls to any number.

Add a phone system to your Microsoft 365 license