The grantee shall have a toll-free listed telephone number for receipt of requests for repairs at any time, 24 hours per day, seven days per week; the grantee responses to such requests shall occur within 24 hours after the grantee’s receipt of such a request, oral or written, excluding Sundays and holidays. Verification of the problem and the grantee’s best efforts to resolve the problem shall occur within 48 hours. The grantee shall respond seven days a week within two hours to any identified area outage which occurs between the hours of 7:00 a.m. and 9:00 p.m., and by not later than 11:00 a.m. the following day to any area outage which occurs between 9:00 p.m. and 7:00 a.m. the following day. Such response shall mean actual commencement of trouble-shooting and repairs, plus contact with the complaining subscriber(s), if reasonably possible under the circumstances.