teboweb.com
2
Freeware
First Officer uses PTT (push-to-talk) technology and speak the command.
1
HOUSE networks, Krasnogorsk-Moscow-Russia
10
Open source
QChat provides a convenient and reliable push-to-talk (PTT) voice service.
2
Mountz Incorporated
15
Proprietary
Conduct tool tests, sensor calibration, & meter calibration on PTT torque meter.
