. Bell telephone magazine . Near dial is a recall button which allows you to make call after call without hanging up. five-month sales campaign, in Jackson,Michigan and Janesville, Wisconsin. Re-sults were very heartening for designersof the compact telephone. During thosefive months Trimline phones achieved adevelopment of per cent of the entireresidence market in the two cities; salesof residence extension phones increasedby 18 per cent in the same period. ■ The Trimline compact telephone, asis the case with many other success-ful new products, has traveled a long roadof design, trial, r
. Bell telephone magazine . Near dial is a recall button which allows you to make call after call without hanging up. five-month sales campaign, in Jackson,Michigan and Janesville, Wisconsin. Re-sults were very heartening for designersof the compact telephone. During thosefive months Trimline phones achieved adevelopment of per cent of the entireresidence market in the two cities; salesof residence extension phones increasedby 18 per cent in the same period. ■ The Trimline compact telephone, asis the case with many other success-ful new products, has traveled a long roadof design, trial, re-design, more trial— and the end is not yet. Last July, aproduct trial was completed in Chicago,this time incorporating the convenienceof Touch-Tone® calling in the Trimlinephone, with small push-buttons in placeof the dial. Manufacture of this newestversion of the Trimline phone should beunder way by mid-1966. And so the evolution of the telephonecontinues. The direction of this evolu-tion will be determined, as it h
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