intrastate and international switched network services / voice communications / long distance services / telecommunications / communication systems / termination telephone number / toll free telephone access number / telephone / long distance telephone / telephone calling card / telephone call originating / local exchange services / automation systems / /
Organization
Federal Communications Commission / United States District Court / Interstate Long Distance Service / International Long Distance Service / Calling Card Service Calling Card Service / DIRECTORY ASSISTANCE CALL COMPLETION SERVICE / United States Government / / /