AT&T Goes After T-Mobile With Attack Ads

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AT&T Inc. took aim at T-Mobile USA’s network performance in newspapers ads yesterday, escalating a rivalry between two companies that were once poised to merge.

Responding to unspecified claims by T-Mobile, AT&T ran a full-page counterattack in the New York Times, the Wall Street Journal and USA Today. The ads say T-Mobile drops twice as many calls and its network speeds are only half as fast as AT&T’s.