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Phone company changes 3 exchanges to digital
New Tork Telephone Co. has connected 21,000 Buffalo customers to a new digital call-switching system.
The change will affect customers in the 836,837 and 838 exchanges in three ways, New York Telephone said in a prepared release.
* Customers who use touch-tone phones, but are not paying for touch-tone lines, now are unable to make calls. They will be required to pay a $10 connection fee.
* It no longer will be necessary to dial 1 before placing a …