In flat-rate cities Southwestern Bell never provided free time service. That was practically all, maybe all, of Southwestern Bell exchanges.
Time service was available in most cities of any size in SWBT territory, sponsored by some local company which probided an advertising message along with it. In Oklahoma City, the Audichron machine was on the main banking floor of the First National Bank and Trust Company, with blinking lights to show which lines were in use and handsets so customers and visitors to the bank could pick up on the spot and listen to the message. The bank was, of course, the advertiser sponsoring the service. Before divestiture the telco leased or purchased the machine from the Audichron Company and furnished it to the customer as a tariff item or special assembly.
In flat-rate exchanges, there is no revenue stream to the telco for providing the service on its own behalf.
There are five time services listed in the telephone directory for the Oklahoma City metropolitan exchange. Four of them are in smaller cities included in the metro exchange, presumably provided by local advertisers in the respective areas, but of course available to any costomers in the metro exchange.
As I recall, any of the SxS selectors could be arranged to absorb, trunk or cut through on any specified digit. Not used just in small towns but in mtero cities which were SxS.
Wes Leatherock snipped-for-privacy@yahoo.com snipped-for-privacy@aol.com
***** Moderator's Note *****Even in flat-rate environments, the telco could earn money from the time signal: it was allways leased to the FAA, police, fire, etc., for use as an independent log signal that was recorded under airport tower transmissions, police dispatchers, etc. I don't know how much they charged for the service.
Bill Horne Temporary Moderator
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