Okla. Stat. tit. 17, § 17-139.1: Coin-activated and credit card-activated telephones -

Operating requirements.

The Corporation Commission shall, by rule or order, promulgate

and enforce operating requirements for coin-activated and credit

card-activated telephones available for public use owned or operated

by corporations or persons other than telephone corporations

authorized by the Commission to operate within service areas. These

requirements shall include, but are not limited to a requirement

that every telephone permit a caller to be connected with the

operator personnel of any telephone corporation authorized by the

Commission to operate within a service area through the Commission

authorized access method chosen by the operator service provider

with exception of those coin operated or credit card-activated

telephones made available to inmates at state, federal, local and

county jails and correctional facilities.