berdasarkan Dana Cornwall isdn modem sound koleksi membuat kotoran
Isdn
Project: THE DEFINITIVE COLLECTION of V.90/V.92 Modem Sounds | Gough's Tech Zone
What is ISDN? What are its Advantages? (Updated)
TIL the famous sound of dial-up is the "handshake" between the modem and the Internet Service Provider before translating internet data into soundwaves. : r/todayilearned