The Sony Ericcson T630 is a reliable and sturdy phone if somewhat dated.
It features bluetooth, infrared, a built-in digital camera and most of the same quirks you'd find in a similair phone.

For the basic functions it serves its purpose exactly, it can text and phone people with no awkward navigation through menus and there are no strange crashes or glitches when you are writing a long strung out text.

The ringtones are where it begins to show its age, although it is slightly more advanced than the old monophonic sounds of the classic Nokia 3310 this phone still prides itself on polyphonic MIDI files and corny sounds of flutes and pan pipes rather than recordings of actual songs like you can store on new phones.

Obviously for the time it was made it is not a touchscreen, the buttons are easy to press and big enough so that you don't type more than one at the same time accidentally.

As a backup phone I think this phone is perfectly acceptable although perhaps a bit limited if you want to keep up with an Iphone or HTC.