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The talk button is gray or not displayed. [Troubleshoot: BB_HCM3xxcameras]
The [Output] setting is set to [Disable] on the [Audio] page.
Set it to [Enable].
The talk feature is disabled for the general user's account or for guest users.
Change the feature access level for the general user or for guest users to allow access to the talk feature.
Your web browser is accessing the camera via the proxy server.
[Solution3] Set your web browser to bypass the proxy server.
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