Doug reviews his procedure for getting a clearance from a non-towered airport. He will call the TRACON from his office on the phone and request a "hold for release". Then he'll call the TRACON from the threshold using his Bluetooth capable Lightspeed headset when he is ready to pick up the release.
Getting clearance at N12 and KMFV with a Bluetooth connection to a mobile phone and Lightspeed headset.