Dial-Up


Dial-up Internet was the first form of Internet service which connected using the facilities of a local telephone company. It used to work by dialing up and entering commands on your browser, as opposed to always being |connected| like broadband is today.


A dial-up connection is a broadband technology that was the most commonly used during the earlier days of internet use. Modems proccess audio signals, encode information from a modem or router to these devices, and then send it to another modem.


However, dial-up connections are now counted in outdated methods to access the internet. This is because of their slow data transfer speeds and their dependence on telephone lines when connecting with the internet.


A home dial-up connection only provides one service at a time, so users who use this kind of connection are incapable of connecting to the internet while on the phone.


A dial-up connection provides users with 56 kilobits per second bandwidth. A 56 kilobit-per-second modem was all that was available in the market at the time of writing; earlier, a connection such as this wouldnt be enough for fast internet speeds. If we compare the old speed to new ones, it is significantly slower

What will we learn?

Functionality

1) Dial-Up Requirements

  • Telephone line
  • Dial-Up Modem
  • Computer
  • Dial-Up Account
  • Public Access Number

History

1) Timeline

  • 1950s - 1960s
  • 1962
  • 1965
  • 1990s
  • 1996

Functionality

Dial-up connection to the internet is established through a telephone line, just like DSL. It connects with existing phone lines, which are already being used for call services at many offices or homes.

The Dial-up connection offered by ISPs was one of the cheapest available options. It is also important to provide individuals with a modem and other essentials for setting up a dial-up connection.


Dial-Up Requirements

Telephone line

Given a wired telephone system with no internet connection, consumers will need to establish a dial-up account through their home landline provider and acquire both hardware (a modem) and software (a dial-up account).

|This simply means that browsing the internet and making phone calls through a Dial-up connection is not possible at the same time.|

|However, if someone has 2 separate phone lines designated for each service. As we discussed earlier, dial-up connection depends on telephone lines and transmit analogue systems, the capacity of data transfer is also limited. The


Dial-Up Modem

To communicate with the internet, computers and other devices need a modem. The modem transforms digital data into analog signals that travel over telephone lines. Without it, we would not be able to use our computers to connect with the world through the internet.

Demodulation is the process of transforming incoming analog signals into digital data. Reverse this process and you can convert digital data back to analog, which can be read by humans as audible sound.


Computer

The evolution of technology hasnt left behind Dial-up connections. They were popular when computers and the internet didnt interact with each other, but wireless devices have come into use since Cable or DSL broadband has been available.

Most computers have built-in software that permits them to connect with the Internet by dialing a number, commonly known as “dial up”. These programs allow us to set up our account provided by the ISP for connection.


Dial-Up Account

When you open a Dial-up connection, you either set up your own account or the ISP provides one with a corresponding username and password. The dial-up account provides access to the network system for that specific provider.


The public phone network that users have to call and plug into is integrated into the dial-up account. This makes it easier for the end user to securely connect by logging in their own credentials.


Public Access Number

To establish a connection, the public access-dial number connects and dials. If someone wants to connect with the internet, they type in this designated number provided by the ISP. Then they are diverted to an internet connection.


In this phase, you should be able to hear a series of beeps to signal that your connection is properly connected. Dial up connections can be used by anyone with public phone access - this is one advantage of these connections.


History

Timeline

1950s - 1960s

The first modems were developed for the military in this era. They are used primarily to transmit data between NORAD bases within North America. Initially, these modems were not available for commercial use and had a bandwidth of 110 - 300bps.