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AT&T, GTE FORM AG COMMUNICATIONS SYSTEMS

The new AG Communications Systems Corp joint venture between GTE Corp and AT&T Co (CI No 1,086) will add ISDN and other features to GTE’s digital telephone exchanges, eventually subsuming GTE’s GTD-5 switch into AT&T’s Number 5 ESS. Built around GTE’s existing switch business, the new firm starts out 49%-owned by AT&T, but that will rise to 100%.

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