What is OBEX?

OBEX, abbreviation of  OBject EXchange, is a communications protocol used for exchanging of  binary objects between particular devices. It is similar to HTTP in  design and function that  works for transporting binary-formatted length value on most transporting devices such as TCP/IP, Infrared and Bluetooth etc. It is maintained by Infrared Data Association, so it is also known as IrOBEX or  Infrared OBEX. OBEX is also known as "Session Protocol" or "binary http protocol". 

In this wireless world era, where the trends of  Wi-Fi techniques such as Cellphone, PDA and laptop are being adopted at the revolutionary speed. The importance of  OBEX has been increased. After connecting to internet, user provides objects to  OBEX including files, pictures, calendar and business cards etc. The most initial tools in which this application has been utilized is Palm III PDA.  This application is also being used on the large scale in the latest wireless technologies such as PDAs, Mobile Phones, Scanners, Smart phones. Microsoft is also using it in it's operating system software.