Hi @Marc LALONDE,
Welcome to the Microsoft Q&A forum.
Thank you for providing detailed information about configuring the Poly CCX 400 phone as a reception phone using Microsoft Teams. Based on your requirements, the initial steps seem to be on the right track; however, some additional configurations are needed to achieve the desired outcome:
- Customize IP Phone policies using PowerShell
- Configure Line Keys (Speed Dial) via Teams Admin Center
- Apply calling policies and device policies
- Check software and firmware compatibility of the device
- Manage service accounts and Teams Shared Devices licenses
Due to the complexity and specific nature of each deployment environment, we recommend contacting Microsoft Technical Support directly to get assistance from a Live Agent. This will help ensure accurate, fast, and system-compatible configuration.
After creating a support ticket through the Microsoft 365 Admin Center, a Microsoft Live Agent will proactively reach out to you and guide you step by step to set up your device.
Steps to create a support ticket:
- Go to https://admin.microsoft.com
- Click Help and Support
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- Enter the subject: Support for configuring Poly CCX 400 phone as a reception phone
- Click the blue arrow and select Contact Support
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- Choose your preferred contact method
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If you have any other questions or encounter difficulties during the ticket creation process, please feel free to share with us. We are more than happy to assist you.
Thank you very much!