Block International Calls IN (com.toolworld.blockinternationalcalls.in) on Google Play
A simple application to block all outgoing international calls. This prevents users from dialing international numbers (that start with + or 00) by mistake. Note that +91 (India) numbers will not be blocked. When you want to make international calls, simple turn off outgoing international call blocking with one button.Install now and never again see high bills due to dialed international calls dialed by mistake.