MCleaner for iPhone is a firewall software, which can reject the incoming call and SMS, it's easy to use and good for you when you are busy now, constantly in important meetings or discussions.
IVT is a VT220 terminal emulator for Windows NT/2000/2003/XP/Vista/Win 7/8/10, that can set up a secure SS, (Kerberized) telnet, connection to a remote host.