> For the complete documentation index, see [llms.txt](https://docs.cebodtelecom.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cebodtelecom.com/microsoft-teams-integration/direct-routing-user-guide/voice-activation-and-setup/10.-inbound-and-outbound-calling.md).
# 10. Inbound & Outbound Calling
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It is highly recommended to test Microsoft Teams Calling by making and receiving phone calls, and also checking it with basic features of the Microsoft phone system, such as call hold and call transfer (Blind and attendant).
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