The right call for Microsoft Teams

Add trusted, seamless cloud calling with a Teams Phone license with our latest Microsoft Teams Direct routing integration.

One number for all your communication needs

Get phone, fax, SMS with a single number, all available in Microsoft Teams

Integrated into Teams and all your devices

Extend telephony into Microsoft Teams, desk phones, and mobile devices from one trusted partner

Head-up display

Empower executive assistants and receptionists to route and manage calls more effectively

Business SMS without using your personal line

Text customers and colleagues from the Teams app to keep work and personal lines separate

Powerful cloud calling for Microsoft Teams

Uptime, not service credits

VoIP Office has delivered 19 straight quarters of less than 79 seconds of downtime, ensuring you can communicate with customers and colleagues – even when Teams is down.

Expand your global reach

Connect global offices and distributed teams with coverage in 45 countries.

Mobile calling to power hybrid and remote work

The VoIP Office for Teams mobile app helps employees stay connected, even on the go. Place and receive calls through VoIP Office in the Microsoft Teams mobile app, extending the value of the integration beyond the desktop.

Advanced calling capabilities for Teams

Get tools like head-up display, call queue management, and whisper, monitor, and barge to satisfy the needs of the sales, receptionists, and other phone power users.