'When this device is "on hook", the speech circuit is disabled & the ringing circuit is connected'
a phone
LEFT TO YOUR OWN DEVICES: When this device is on hook, the speech circuit is disabled & the ringing circuit is connected
When this device is "on hook", the speech circuit is disabled & the ringing circuit is connected
When this device is "on hook", the speech circuit is disabled & the ringing circuit is connected
LEFT TO YOUR OWN DEVICES
a phone
LEFT TO YOUR OWN DEVICES