A4C
\ˌe͡ɪ fˈɔː sˈiː], \ˌeɪ fˈɔː sˈiː], \ˌeɪ f_ˈɔː s_ˈiː]\
Sort: Oldest first
-
Authentication, Authorization, Accounting, Auditing and Charging.
By Denis Howe