A Big Western Bell Rides East to Buy Connecticut Phone Company
SBC Communications Inc, parent of Southwestern Bell and Pacific Bell, to acquire Southern New England Telecommunications Corp (SNET), local telephone company serving 2.2 million customers in Connecticut, for $4.4 billion in stock; deal would create one of largest local non-Bell phone companies and will relocate headquarters of Connecticut carrier from New Haven to San Antonio; SNET agreement seen recognition by that carrier of breakneck consolidation in industry and realization that it was too small to be financially viable; after the merger, most Connecticut residents will see little change in their day-to-day workings of telephone system; SBC will continue to operate under SNET name in Connecticut and companies say none of SNET's 9,700 employees will lose their jobs (M)