1- In the Phone application missed calls are replaced entirely once a call is made following the original missed call entry. This manner of logging is unhelpful when going through the entries because it does not adhere to a complete chronological order of calling events.
2- The N900's Contacts application will not display entry details regarding calls.
3- The N900's Contacts application when accessed through the Phone application only allows the creation of SMS to un-saved phone numbers. This is in contrast to using the Contacts application directly from the menu,which allows sending SMS to any contact found in the Contacts database.
4- This leads to the following: The lack of ability to type an SMS text message (or any message) in portrait mode by using the same numerical keypad that the Phone application uses.