ISDN is digital telephony, which allows multiple connections over one telephone line to be established. Before ASDL became commonplace, ISDN was a way to have high-speed internet and to be reachable by telephone as well. Because it is digital, normal analog devices no longer work, except when you purchase an ISDN power station.
Any computer that is connected to a network/The Internet has a number that makes it visible to all other computers on that network (this is necessary to find and identify Invididuele computers). Because IP addresses are linked to a computer (or login moment) It is almost never possible to be anonymous on the Internet. The person behind an IP address is in most cases to figure out, sometimes directly, but sometimes only through cooperation from justice. An IP address consists of four groups of numbers, such as 198.168.1.1. The IP address you use to enter the Internet is below: What is an IP address?