AT&T, T-Mobile CEOs to Defend Mobile Mega-Merger

The impact of AT&T Inc's proposed acquisition of T-Mobile on competition, pricing and consumer choice will be examined at a congressional hearing on Wednesday where top executives are due to appear.

AT&T has touted fewer dropped calls and faster data speeds to entice consumer and policymaker support for its $39-billion bid to take over Deutsche Telekom AG's T-Mobile USA.

AT&T Chief Executive Randall Stephenson and T-Mobile USA CEO Philipp Humm are scheduled to appear before the Senate's antitrust subcommittee to defend the deal that would concentrate 80 percent of U.S. wireless contract customers