carsten.frentz Member Licensed User Longtime User Mar 20, 2013 #1 how 2 block an incoming phone call ( send a busy tone ) ?
Erel B4X founder Staff member Licensed User Longtime User Mar 21, 2013 #2 There is no simple and reliable (reliable => works on all devices) way to do it. You can try to play with this library: http://www.b4x.com/forum/additional...dates/12887-answercall-library.html#post72660 Upvote 0
There is no simple and reliable (reliable => works on all devices) way to do it. You can try to play with this library: http://www.b4x.com/forum/additional...dates/12887-answercall-library.html#post72660
