Dual tone multi-frequency (DTMF) dialing 1-2-3-A-4-5-6-B-7-8-9-C-*-0-#-D in this order. Made with Audacity.
I appreciate the useful way you put the sample together. Will be using in an upcoming episode of Machine Court podcast. ( http://machinecourt.com )
Please log in to comment
920 x 245
481 x 86
375 x 30
For more information check out our cookies policy.