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home/Knowledge Base/Microsoft Teams Phone/Troubleshooting - Teams Phone/Why are there no SIP subscribers listed in the CloudSBC portal?

Why are there no SIP subscribers listed in the CloudSBC portal?

4 views 0 22. January 2026 Last updated: 23. January 2026

In this article, we show you what you can do if no SIP subscribers are displayed when configuring the voice gateway to your innovaphone PBX.
Solution 1: Check autodiscovery

CloudSBC checks in your innovaphone PBX whether there are subscribers for which a Hardware ID in the format Teams_xxxxxx has been saved. If you did not enter this Hardware ID beforehand, no SIP subscribers will be displayed in the CloudSBC portal. Check the article Prepare innovaphone SIP subscribers in the PBX.
If you created the Hardware IDs after you set up the voice gateway between CloudSBC and your innovaphone PBX, you can trigger synchronization manually via the Connector App for Microsoft Teams Phone. Open the app on the innovaphone myApps platform:

Open the settings in the hamburger menu at the top right.

With the Benutzer aktualisieren button you can start synchronization manually.

When you reload the page in the CloudSBC portal, the SIP subscribers should now be listed.

Solution 2: Enter Hardware IDs manually in the CloudSBC portal

You can also enter the Hardware IDs yourself in the CloudSBC portal. For this, read the article Register innovaphone SIP subscribers manually in the CloudSBC portal.

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  • How do I configure port-forwarding on my router?
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  • Register innvaphone SIP subscribers in the CloudSBC portal
  • Configure a voice gateway to connect your innovaphone phone system
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  • Install the Connector App for Microsoft Teams Phone

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  • How do I configure port-forwarding on my router?
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  • How to connect my innovaphone phone system?
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  • Configure a voice gateway to connect your innovaphone phone system
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