Microsoft 365 Business Voice service description

Microsoft 365 Business Voice is a cloud-based telephony solution in Microsoft Teams that offers phone system capabilities like call park, call forwarding, auto attendants, call queues, audio conferencing, and calling plans. Business Voice can be added to Office 365 and Microsoft 365 subscriptions that include Microsoft Teams (up to 300 licenses). For more information about the Business Voice service, see Microsoft 365 Business Voice.

Available plans

The following table shows the plans that can utilize the Microsoft 365 Business Voice add-on so you can choose the solution that best meets the needs of your organization. For detailed plan information, see Microsoft 365 Business Voice.

Small business plans Enterprise plans Government Education Frontline
Microsoft 365 Business Basic Microsoft 365 Enterprise E1 Microsoft 365 and Office 365 Government G1 Microsoft 365 and Office 365 Education A1 Microsoft 365 F1
Microsoft 365 Business Standard Microsoft 365 Enterprise E3 Microsoft 365 and Office 365 Government G3 Microsoft 365 and Office 365 Education A3 Microsoft 365 F3
Microsoft 365 Business Premium Microsoft 365 and Office 365 Nonprofit E1 Office 365 F3
Microsoft 365 Nonprofit Business Basic Microsoft 365 and Office 365 Nonprofit E3
Microsoft 365 Nonprofit Business Standard

Feature availability

The following table lists the major Microsoft 365 Business Voice features available across plans. Certain caveats apply. For more information, see the footnotes. This table may change without notice. For the most up-to-date, complete list of features, see Voice and video calling.

Feature Microsoft 365 Business Voice Microsoft 365 Business Voice Without Calling Plan
Local numbers Yes Yes*
VoIP calling Yes Yes*
Auto attendants Yes Yes*
Call queue Yes Yes*
Caller ID Yes Yes*
Call routing Yes Yes*
Emergency calling Yes Yes*
Emergency calling with dynamic location Yes Yes*
Voice Mail Yes Yes*
Call park Yes Yes*
Call forwarding Yes Yes*
Call delegation (share a phone line with a delegate) Yes Yes*
Music on Hold Yes Yes*
Call block Yes Yes*
Auto attendant Extension Dialing Yes Yes*
Auto attendant/call queue transfer to shared voicemail Yes Yes*
Multilingual Interactive Voice Response (IVR) Yes Yes*
Calling policy Yes Yes*
Domestic Calling Plan Yes Requires a third-party calling plan
Toll-free dialing** Yes Requires a third-party calling plan
International Calling Plan** Yes Requires a third-party calling plan
Audio Conferencing Yes Yes

* Available with third-party provided calling plan.

** Toll-free dialing and the International Calling Plan are available at additional cost using Communications Credits. To learn more, see toll-free dialing and international calling rates.

Learn more

For technical information about Microsoft 365 Business Voice check out the following resources:

Licensing terms

For licensing terms and conditions for products and services purchased through Microsoft Commercial Volume Licensing Programs, see the Product Terms site.


To keep track of upcoming changes, including new and changed features, planned maintenance, or other important announcements, visit the Message Center. For more information, see Message center.


Microsoft remains committed to the security of your data and the accessibility of our services. For more information, see the Microsoft Trust Center and the Office Accessibility Center.