waking the screen without disconnecting your call
When on a call holding the phone in my hand, the screen blacks out, as it's supposed to when next to my face, to prevent accidental "button pushing." When I move the phone away, the screen comes back on. However, if I am using the internal speaker or a bluetooth connected speaker, the screen "times out" according to the timing set in the system display settings. (I have mine set to one minute.) But as far as I can tell, the ONLY way to get the screen to turn back on is to press the power button -- and that DISCONNECTS the call! Which means there is no way to look at my calendar or the web or any other app while on a speaker call (after the screen has timed out).
Is there any other way to turn the screen back on without disconnecting the call? Or, Is there a setting somewhere that prevents the screen from timing out while on speaker or bluetooth?