What you need to get started.
Customers with Microsoft 365 and a Phone System license will be able to use SmartSIP for Teams Calling. Microsoft Phone System license is included in E5 licenses, and can be added to E1, E3, M1, M3 , M5 or O365 ProPlus subscriptions.
Microsoft license
Phone Feature Add-On
Integrate SmartSIP
Why choose StarHub
![](/content/dam/starhub/2020/business/products-and-services/enabling-my-physical-office/office-phone-solutions/unified-communications/smartsip-for-teams-calling/overview/icon-one-to-one-shop.png)
One-stop shop
![](/content/dam/starhub/2020/business/products-and-services/enabling-my-physical-office/office-phone-solutions/unified-communications/smartsip-for-teams-calling/overview/icon-microsoft-certified-partner.png)
Microsoft certified partner
![](/content/dam/starhub/2020/business/products-and-services/enabling-my-physical-office/office-phone-solutions/unified-communications/smartsip-for-teams-calling/overview/icon-managed-service.png)
Managed services
![](/content/dam/starhub/2020/business/products-and-services/enabling-my-physical-office/office-phone-solutions/unified-communications/smartsip-for-teams-calling/overview/icon-retain-number.png)
Port your number
Support
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