It is possible to listen to the dog with the Pointer Dog-GPS

One of the Pointer Dog-GPS’s revolutionary features, when compared to a traditional ‘dog radar’, is the possibility to listen to the dog working by simply calling the dog’s transmitter. The microphone in the transmitter is very sensitive. You can clearly hear the movements of the dog, possibly the sounds of other dogs and even the movements and sounds of the game animals. All of this is possible regardless of distances, even from home. You can also listen to a recording of a dog baying an elk with the Pointer Dog-GPS. The recording was made in august 2002, in the Pointer international dog test in Haukipudas.

Listen to the recording here.
In the recording the dog is baying an elk. You can also listen how the dog circles around to the other side of the elk.