BASED ON LINPHONE.

callio is used to enhance the audio quality during phone calls. It works by amplifying the sound signal from the microphone, allowing the person on the other end of the call to hear you more clearly, even in noisy environments. The booster is compact and easy to use, simply plug it into the headphone jack of your phone and adjust the volume as needed. It is a great tool for those who frequently make phone calls in crowded or noisy settings, ensuring that both parties can communicate effectively without any distortion or background noise.
it also comes with video and chat feature.