11-12-2012 10:58 AM
What app? Specifically.
There are a couple dozen call blocker apps for the BlackBerry.
Have you asked the developer of the application?
11-12-2012 11:42 AM
At options > device > applications, find the application, click on it.
Who is the developer?
11-12-2012 11:49 AM
OK, so if you go find that same applicaiton in AppWorld, there will be link to contact the developer.