Signalling system for use with toll ticketing equipment

Claim 1

IN AN AUTOMATIC TELEPHONE SYSTEM HAVING TOLL TICKETING EQUIPMENT FOR RECORDING BILLING INFORMATION RELATIVE TO CONNECTIONS ESTABLISHED THEREOVER INCLUDING TOLL TRUNKS FOR ESTABLISHING TOLL CALLS, AND A TOLL BOARD INCLUDING AN OPERATORS POSITION HAVING AT LEAST ONE CORD CIRCUIT FOR USE IN ESTABLISHING TOLL CALLS INCLUDING SPECIAL TOLL CALLS, REGISTER MEANS IN AT LEAST ONE OF SAID TRUNKS OPERATIVE TO REGISTER INFORMATION PERTAINING TO THE CALL FOR BILLING PURPOSES, TIMER MEANS FOR AUTOMATICALLY TIMING TOLL CALLS OTHER THAN SAID SPECIAL TOLL CALLS, SIGNALLING MEANS INCLUDING MEANS IN SAID ONE TRUNK FOR SIGNALLING SAID TOLL BOARD FOR OPERATOR ASSISTANCE IN RESPONSE TO ESTABLISHMENT OF A SPECIAL TOLL CALL TO SAID TRUNK, AND MEANS AT SAID OPERATORS POSITION FOR TRANSMITTING SIGNALS OVER SAID CORD CIRCUIT TO SAID TRUNK TO INITIATE OPERATION OF SAID TIMER MEANS IN SAID SPECIAL CALLS.