极限呼叫拦截Extreme Call Blocker Droid一款来电和短信的拦截软件，它的功能和我们昨天发布的那款Easy Filter PRO（简易过滤器）功能上比较类似。
软件特色：
- 新功能：封锁联系人分组：设定相关的规则来阻止你的联系人分组；
- 新功能：集成Profile呼叫拦截，你可以设置你的配置文件，以决定何时/如何阻止来电/短信。支持日历调度，通配符的电话号码，主叫号码，并安排关键字和更多的匹配。
- 备份/恢复从SD设置
- 挂机模式块语音信箱
- 封锁匿名/私营/未知/来电黑名单
- 拦截未知/黑名单短信，
- 内置隐藏在私人短信txt的味精私人信箱
- 附表谷歌日历来决定何时块。
- 隐藏私人电话通话/输出，没有通话日志记录。
v28.5：
New feature: Detect conflict apps and warn users.
Bug fix: App can be accessed through notification, and bypass the password.
Bug fix: Private msg box close immediately after open.
Enhancement: Removed unnecessary restrictions when setting up profiles.
Enhancement: Add an option to allow sound notification for private SMS.
30.8.10.8.2更新内容：
•New Feature: Incoming message popup window, manage incoming SMS without opening messaging app.
•New Feature: Send message to blacklisted numbers from blacklist
•Bug Fix: Fixed a problem when blocking text messages with no sender's number
•Bug Fix: Crash problem on HTC phones, if you have an HTC phone and experiencing app crash, please go to blocker's setting, general app setup, enable "HTC Special Mode" option
•Bug Fix: Fixed a problem with the soft keyboard when editing messages