According to the developer site the "EnterDiscoverableMode" directive should have a payload with timeoutinmillisecond to make the device discoverable for that much time , nut when we check the payload is null , please check the result from AVS
--28bd48e5-bee6-4422-a42a-4064d97cfc84 Content-Type: application/json; charset=UTF-8 {"directive":{"header":{"namespace":"Bluetooth","name":"EnterDiscoverableMode","messageId":"6b280cfa-2a85-47f6-8093-cf4a8053c452","dialogRequestId":"dialogRequest-321"},"payload":{}}} --28bd48e5-bee6-4422-a42a-4064d97cfc84--