How to control the iphone mute when call coming with the BLE HIDS services?

[xianke]

I want to get the iphone mute when call coming with BLE HIDS service, but I don't know the HIDS key size. Who can help me to solve it? 

[Mttrinh]

Hi,

I'm not sure what you mean by HID key size? Do you want to know which value you need to send? 

I suggest you have a look at the HID Usage Tables.

[Mttrinh]

Yes, it seems correct.

[xianke]

NO,it's not right; It can't work when phone coming.So how can I get it work?

[xianke]

It troubled me a few mounth, I really need a help.