DULUTH,Cox Communications will use on-demand cable box technology from Concurrent in its Northern Virginia coverage area.

Concurrent said as many as 150,000 cable subscribers could be using its technology.

Cox will use Concurrent’s MediaHawk 4000 platform for the launch of on-demand services.

“Cox is excited to add the incredible convenience and value of On Demand to our Cox Digital Cable service in the Northern Virginia market,” said Gary McCollum, vice president and region manager of Cox Northern Virginia. “We chose Concurrent’s on-demand technology for its proven reliability and it’s forward-thinking architectural foundation that will support even more advanced, future on-demand applications.”

The Virginia region covers Fredericksburg and Fairfax County.