Okla. Stat. tit. 74, § 74-8501: Telephone callback system

A. Each state agency, board, commission, department, or other

state governmental entity with more than five hundred employees

shall develop and implement a system for telephone callback.

B. A system that allows the caller to request an automatic

callback as part of a menu of options for the routing or handling of

the call shall satisfy the requirements of this section.

C. The provisions of this section shall be applicable to any

entity that uses a toll-free number to allow contact with the

agency, and such system shall also provide an automatic callback

option and an ability to measure callback efficiency.