SIP协议规范中文版本，目前还没有发现SIP协议的中文版本，故上传后，供需要者共享。-Chinese version of SIP protocol specification, is still not found the Chinese version of SIP protocol, so once it has been uploaded for those who need to share.

blackberry手机游戏设计DEMO：扫雷小游戏．(基于blackberry8100)-A demo for development based on blackberry system. It is a game samilar with the game "mine" in windows system.