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Polycom CX300 doesn't detect on-hook state

Occasional Visitor

Polycom CX300 doesn't detect on-hook state

Hi everyone

We use Polycom CX300 with our peer-to-peer SIP client, that is without Microsoft OCS. We watch HID report with report ID = 2 to handle user actions( engaged buttons, hook switch and so on)

The problem is that we can't detect on-hook state because we don't receive any HID report when handset plugged on hook. It happens when handset and speakerphone has equal volume. Firmaware version

It's very important for us to detect hook switch state. Is there any way to do this?



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Polycom Employee & Community Manager

Re: Polycom CX300 doesn't detect on-hook state

Hello villager,

welcome to the Polycom Community.

The CX300, like any other CX device, is only for usage with Microsoft products.


Using it with anything else may not work.

Please ensure to provide some feedback if this reply has helped you so other users can profit from your experience.

Best Regards

Steffen Baier

Polycom Global Services

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