Try settings - sounds - volume- then turn system sounds down.
There might also be a settings menu on your keyboard but I use a different one so can't check
------------- Dogs die in hot cars!
They also die if you leave them in the freezer.
Please keep your dogs at room temperature!
Mine beeps and whistles all over the place and I have no idea what beep is for what. One is for an e mail, one for a message and one for the notification of either. At least I have managed to turn off a random bell and turn it into a whistle but still not sure what it is telling me.