Merge pull request #304337 from jamescadd/tpe-dialpad-commands-update

Update teams-phone-extensibility-capabilities.md

Author: prmerger-automator[bot]

articles/communication-services/concepts/interop/tpe/teams-phone-extensibility-capabilities.md

@@ -65,6 +65,7 @@ The following list of capabilities is supported for scenarios where at least one
 | | Stream real-time transcript of the call to a WebSocket | N/A | ✔️ |
 | | Mute other VoIP participants (such as other agents) | ✔️ | ✔️ |
 | | Mute other PSTN users | ❌ | ❌ |
+| | [Dial-pad commands](/microsoftteams/audio-conferencing-common-questions#what-in-meeting-dial-pad-commands-are-supported) for PSTN users | ❌ | ❌ |
 | | Place call on hold and take call off hold (1:1 call only) | ✔️ | ❌ |
 | | Play music to the participant put on hold | ❌ | ✔️ |
 | | Developer/agent can stream real-time audio out of the call to a WebSocket| N/A | ✔️ |