83 Ill. Adm. Code 771.500
Pay Telephone Access Line Service
Section 771
Section 771.500 Pay
Telephone Access Line Service
All pay telephone equipment
shall be connected to the public network by way of a basic pay telephone
service access line or by a coin access line provided by a certificated access
line provider. Such basic telephone service access line or coin access line
shall be capable of accommodating outgoing calls of unlimited duration.