In Phone Gear Consolidation, Comverse Will Acquire Boston
Comverse Technology Inc, leading maker of telephone voice mail systems, agrees to pay $843 million in stock to acquire one of its major rivals, Boston Technology; acquisition would continue consolidation of telecommunications-equipment industry, creating $390 million company that would be third largest in $3.5 billion voice mail arena, supplying message systems to 12 of world's 20 largest telephone carriers (L)