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Show the operator. It listens for her call, couints the pulses of her ddall, remembers the number, examines exam-ines 'the dial equiipmcait available, learns -where the call is going, decides on the best route, testa to see if the route is clear, selects se-lects ant alternate if 'She first route is ibuiy, sets up the oouv 'nection to the dialed telephone and rings the bell, i . PHONE COMPANY PLACES NEW TOLL SWITCHING EQUIPMENT IN OPERATION Utah's new 4-A automatic toll switching equipment, located in the Main telephone building in Salt Lake City, was place! in service Sunday, March 16, ac. mordinig to J. R. Worfouirton, local manager of the telephone company. com-pany. This marked the cornple-i cornple-i tkm of a fiive million dollar construction con-struction and service improvement improve-ment project that 'began m 1956. It is the second system of its kind to ibe installed in the Moun-tadn Moun-tadn States area. The new equipment is part of a nationwide toll dealing network net-work that makes possible more efficient use of long distance cir-; cir-; cuits and a faster routing of long I distance calls. Customers will 'continue to place their long distance dis-tance calls as usual with an op-', op-', orator. It is anticipated that approximately approxi-mately 75 per cent of the 33,000 long distance calls originating daily lint Utah will pass 'through the equipment as well as most of the long distance calls terminating termin-ating in exchanges throughout the state. This will provide improved im-proved 'long distance telephone service in the entire intermouin-tam intermouin-tam area. The new equipment will serve both incorniing and outgoing aMs as well as calls routed through Salt Lake City to other communities in Utah and adjacent states. For the past eight months up to 125 (telephone technicians have been Ibusy installing the intricate intri-cate equipment. Approximately 125,000 electrical relays and 138,000 miks of wire .were used I in inter -connect ing the various switching units. Twelve addition-t3i addition-t3i operator switchboard positions j have ibeen added in order to provide pro-vide personalized cperator assist -'ance whenever required on calls terminating in Utah exchanges. To assure equal distribution of calls through 'the equipment, automatic cameras keep a constant con-stant record of the flow of traffic over the various long distance circuits. If the cameras show a particular group of circuits to be overloaded an adjustment in the routing of calls lis made to obtain ob-tain a maximum of efficiency. Operators placing cads through the new equipment no longer use the conventional dual. They use a "key pulse unit" that resembles re-sembles the keys on a small 10 key adding machine. As the keys are depressed signals are 'transmitted 'trans-mitted to the equipment on' a musical tone. The telephone company com-pany has learned that with musical! mu-sical! tones information is transmitted trans-mitted faster, more accurately and over greater distances. The 4-A equipment is a modern mod-ern electric "braHn" designed to obey the slightest command of |