> 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/8.-on-premises-pstn-connectivity.md).

# 8. On-premises PSTN Connectivity

#### Assigning a phone number to On-premises PSTN Connectivity  <a href="#docs-internal-guid-3994b41e-7fff-5fee-bcaf-7eb5d98506a3" id="docs-internal-guid-3994b41e-7fff-5fee-bcaf-7eb5d98506a3"></a>

Under Users, click Account tab, select Edit and select Phone number type "Direct Routing", Assigned phone number “1999999999” and Phone number extension (if any), and then click Apply.

<figure><img src="/files/szN8NTRJSB4XRbiYAjoX" alt=""><figcaption></figcaption></figure>
