2.2.4.4.1 Transparent Up-Link Data (TUD) Characteristic

Before Transparent Server sends data to Transparent Client through this attribute handle, the Transparent Client shall configure the Transparent Uplink Characteristic on Transparent Server for notifications (i.e., via the Client Characteristic Configuration descriptor). Transparent Client shall write a Characteristic Value to the Client Characteristic Configuration descriptor of Transparent Uplink Characteristic on Transparent Server.