NEW YORK-- Bank-technology outsourcmg company Fiserv Inc. said it has broken off talks to acquire the majority of AT&T Global Information Solutions Inc.'s data services business.

Although both sides said in July that they were close to a deal for the former NCR Corp. service bureau business, "we were unable to reach agreement on the final terms of the proposal," said George D. Dalton, chairman and chief executive officer of Fiserv.

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