Definitions for "Alternate Operator Services"
Keywords:  aos, ixc, lieu, resale, lec
(AOS): Companies that resale telecommunications services and provide telephone operator services.
Services provided by a specialty firm, in lieu of LECs or IXCs. Some AOS companies provide services that may not be available from LEC or IXC, such as billing to commercial credit cards, foreign language operators, store and forward messaging, information services, ad conference calling.