Each telecommunications service provider and IXC shall make a full and prompt investigation of every trouble report made to it by its end-users, either directly or through the Commission.
Okla. Admin. Code § 165:55-13-51
Each telecommunications service provider and IXC shall make a full and prompt investigation of every trouble report made to it by its end-users, either directly or through the Commission.
Okla. Admin. Code § 165:55-13-51