These are real recordings from various methods of hooking my computer to the phone line. Some of the signals have quite a lot of noise. All files are at 8 kHz sampling rate and include several digits with gaps in-between. Some files also include short sections of dialtone or ring tone.
| Automatic (modem) dialling | example 1 | example 2 | example 3 | example 4 | example 5 | example 6 | |||
| Recorded over the network, hand-dialled | example 1 | example 2 | example 3 | ||||||
| Recorded locally, hand-dialled | example 1 | example 2 | example 3 | example 4 | example 5 | example 6 | example 7 | example 8 | example 9 |
| Recorded locally, wideband coupling | example 1 | example 2 |