hence free phone calls for many people until the phone systems changed. the most popular device to modify was a radioshack tone dialer, a simple solder of a 6.5536 mhz crystal was all it took and ...

RadioShack does not sell the pocket phone dialer anymore, but they do sell a DTMF chip (an NTE1690) that can do column D (the interesting bits that make all the phreakers happy).

To dial an extension on iPhone: Add a pause after the main number by holding * and entering the extension. Dial extension on Android: After entering the main number, add a 2-second pause in ...

With T9 dialing, you can call someone just by typing their name into your iPhone. That means with iOS 18, you don't have to search for a person's name in your contacts to call them, or call them ...

Thankfully, making calls to people overseas couldn't be easier these days, especially if you have an iPhone. Dialing an international number on your device only takes a few seconds and will have ...

iPhones have several built-in methods for dialing 911 emergency services just by touching the external buttons on your phone. This feature is designed to allow you to quickly call for help without ...