And now, think of an idea that they also can play any audio ADs , like on FM radio, while you are waiting for other side to answer. :-)
Have anybody thought why you hear the sound(beeeep-beeeeep-....) when you make a call and from where it comes? Yes, telco can put anything there. Even more, I wounder why we do not hear some commercial Ad's every time…
And now, think of an idea that they also can play any audio ADs , like on FM radio, while you are waiting for other side to answer. :-)
Have anybody thought why you hear the sound(beeeep-beeeeep-....) when you make a call and from where it comes? Yes, telco can put anything there. Even more, I wounder why we do not hear some commercial Ad's every time…