Overview
Manage phone extensions where telephony extension tools are available.
Requirements
Telephony administration access.
Step-by-Step Instructions
- Open Telephony settings
- Choose Extensions
- Review existing extensions
- Add or edit an extension
- Assign details
- Save.
Screenshots
Screenshots for this article are managed from production OneSuite captures and appear here when attached.
Tips & Best Practices
Use a clear numbering plan before adding many users.
Troubleshooting
If an extension cannot receive calls, review routing and provider configuration.
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Last Updated: July 7, 2026