Comment 8 for bug 1419645

@Matthew this spec already describes the current behavior. The issue is that when a call is accepted, the dialer app is launched, and the call is ended using the app rather than the parentless dialog. It would take considerable effort to get the dialer app to run inside a dialog, and the dialer app would need to be modified in such a way that pressing end would dismiss the dialog (a dialog that wasn't created by the app itself). This would also not solve the problem for 3rd party dialers. I can prototype my other solution if you'd like. I'm also at a sprint right now, so I can get some technical input from other folks and see what other solutions are possible.