CDMA 空口接口协议,CS005部分 3. REQUIREMENTS FOR BASE STATION CDMA OPERATION 3-2 3.1 Reserved 3-2 3.2 Reserved 3-2 3.3 Security and Identification 3-2 3.3.1 Authentication 3-2 3.3.2 Encryption 3-2 3.3.3 Voice Privacy 3-2 3.4 Supervision 3-3 3.4.1 Access Channel or Enhanced Access Channel 3-3 3.4.2 Reverse Tr