The latest iteration of Schindler’s destination-dispatch elevator technology, myPORT creates a smart-building access system with users’ cellphones. “What started out as a way to get better performance from elevators has become a sophisticated interface,” says Jeff Blain, manager of destination products for the company. The free iPhone and Android app employs Bluetooth technology to summon an elevator. But it’s able to unlock and open doors, too: a boon for disabled users.