Pay phone
Pay phone
Pay phone
Pay phone box structure
Pay phone call completion method and apparatus
Pay phone call completion method and apparatus
Pay phone call control apparatus for allowing calls using pre-pa
Pay phone deposit method for limiting overpayment by a customer
Pay station telephone call routing apparatus
Pay station telephone coin box apparatus
Pay station telephone interface
Pay station telephone interface circuits
Pay telephone
Pay telephone
Pay telephone stand
Pay telephone vault guard
Pay-per use for data-network-based public access services
Payphone electronic coin validator
Payphone management system
Paystation monitor circuit to prevent fraudulent use