Now you can easily communicate instantly via a Push To Talk over IP application! QR-PTT for android devices, developed for lone workers communication or other colleagues and co-workers interaction.
QR Push to Talk improves work communication and efficiency, reducing communication costs and minimizing communication deteriorations.
The workers can carry only one device and save the cost of purchasing traditional Walkie-Talkie devices, since they can only use their own android smartphone for all of their working tasks!
The updated version 1.5.0 of QR-PTT user can remap PTT button with hardware device button.
However user could use device's hardware buttons for example volume button, handsfree media button.
QR-PTT is available in Google Play Store. You can simply download QR-PTT by clicking here
If you wish to learn more about QR-PTT, you can find more information here