“Basic local exchange service revenue,” as used in this chapter, means revenues received from the furnishing of telecommunications within the city and access to the telecommunications network to either business, residential or other customers whether on a flat rate or measured basis, by means of an access line. Basic local exchange service revenues shall not include revenues obtained by the telephone public utility company from the provision of terminal telephone equipment services (such as basic telephone sets, private branch exchanges and key telephone systems), or from other telephone equipment which is obtainable from both the telephone company and other suppliers. (Ord. 6-15-82B § 1 (part); Code 1975 § 9-301(2)(b))