[Patch Request] Schedule phone calls as entries in Calenda

[lbmh]

After you just set up an appointment on the phone, it's most convenient to hit a button that brings a form with your correspondent's name to enter the appointment details in your calendar.

Also a similar extension for e-mail & messaging would be great.

That used to be a nice feature of Takephone for PalmOS, and is currently available for Android with aTakephone