 T-Mobile and AT&T aren't commenting, but Verizon confirms in a statement today that what it calls a third-party communications provider has been having issues making voice and data connections with U.S.-based customers traveling overseas. It says it's actively working with its roaming provider to resolve and investigate the issue. Andrew Roday, Bloomberg Business, on WBZ, Boston's news radio. Coming up on WBZ, a Salem church looking into sustainable heating and cooling.