Picture ID - Picture ID allows you to associate a specific photo or custom graphics with individual phone book entries. When that person calls, the associated graphic/photo is shown on the display.
EMS / Picture Messaging - EMS (Enhanced Messaging Service) is a direct descendent of SMS (Short Messaging Service). EMS extends text messaging to include pictures, melodies, animations and long, formatted text messages. EMS is frquently used to send ringtones and wallpapers to phones from the web.
E-Mail Client - Some phones include a full e-mail client that can connect directly to standard POP and/or IMAP e-mail servers, via a wireles data connection and the Internet.  Phones with Wireless Internet can also access sites offering e-mail, but this provides a more direct approach.
Digital TTY-TDD - Enables those who are deaf and hard of hearing to use a special TTY text device with digital service.
BREW (Binary Runtime Environment for Wireless) is a solution developed by Qualcomm for downloading small applications and content to mobile phones.  Such applications mht include games, expense tracking software, or interactive map tools.