Find out how many times an iPhone rings before voicemail picks up and learn how to change the ring time to suit your needs.

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 ...

W hatsApp is reportedly rolling out a dedicated phone call dialer feature for a range of iPhone users. As per WaBetaInfo citing the official changelog, the WhatsApp 25.1.80 update is now available ...

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 ...

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 ...