Conn. Agencies Regs. § 18-81-45
Only personnel authorized in writing by the Unit Administrator or higher authority shall listen to inmate telephone calls or recordings of inmate telephone calls. Such person authorized in writing to listen should be a person whose duties relate to the purposes as stated in Subsection (c) of Section 18-81-44 and who has been instructed and trained in these governing standards so as to eliminate the listening to conversations not directly related to these standards. Access to tapes shall be limited to persons designated in writing by the Commissioner or the Unit Administrator or their designees. Tapes shall be maintained for a minimum of 90 days at which time they can be reused, except that any tape containing information leading to administrative, investigative or legal action shall be maintained for three years or for the duration of the proceedings whichever is longer.
Conn. Agencies Regs. § 18-81-45