Acronyms A AAA AAD AAL ABR ABS AC ACCH ACELP ACF ACH ACI ACK ACKCH ACL ACM Authentication, Authorization, and Accounting Additional Authentication Data ATM Adaptation Layer Answer-Busy Ratio Average Busy Season Authentication Center Associated Control Channel Algebraic Code Excitation Linear Prediction Association Control Function Access Channel Adjacent Channel Interference Acknowledgment Acknowledgment Channel Asynchronous Connectionless Address Complete Message