feature phone / entry phone / smart phone 定义

Feature phone:
a mobile phone that supports advanced features other than voice call and short message such as WAP/MMS/Java/Blue Tooth/PoC/A-GPS and etc. Please note, all these advanced feature is nothing related with GSM or IS-95 itself.



Entry phone:
a mobile phone that mainly support voice call and short message. Please note, it is a "MUST" to a device who claim itself to be a mobile phone.



Smart phone:
a mobile phone that run on a Open OS and support install/uninstall software freely. It is a concept that combines mobile phone and personal computer.