Franchisee shall maintain a business office or customer service center within the franchise service area, or at such other location as is approved by the city in writing, and which shall be open during the business hours stated in the franchise agreement, and shall maintain a publicly-listed local and a toll-free telephone number and sufficient lines which shall be so operated and staffed to respond to customers in at least five ways: accept payments and resolve billing difficulties; give out and exchange or accept return of converters; schedule service or technician calls (or provide an on-site, toll-free telephone for customers to schedule such service calls); answer subscriber inquiries; and receive complaints and commence the resolution thereof. Subscribers shall be promptly notified of any change of address of such office or of telephone number(s). (Ord. 205 § 3, 2001)