VoicePlex is small firm developing iOS apps, Web apps, and works with companies in the DAS (Distributed Antenna System) world, bring new or improved services to mobile users where ever we can.  This DAS world is also call in-building wireless, though you might think of Wi-Fi when in a building, but the DAS makes your cellphone operate inside like it is outside.

The humorous part of this discussion is how much wire it takes to create wireless coverage.