AT&T

Form B: Centrex Extension Numbers

Name/Description

Centrex Extension No.

Centrex Phone No.

Line Jack*

 

Extension Jack*

 

Number

 

Number

 

 

 

 

 

 

 

 

 

 

 

 

 

01

 

10

 

 

 

 

 

 

 

 

 

02

 

11

 

 

 

 

 

 

 

 

 

03

 

12

 

 

 

 

 

 

 

 

 

04

 

13

 

 

 

 

 

 

 

 

 

05

 

14

 

 

 

06

 

15

 

 

 

 

 

 

 

 

 

07

 

16

 

 

 

 

 

 

 

 

 

08

 

17

 

 

 

 

 

 

 

 

 

09

 

18

 

 

 

 

 

 

 

 

 

10

 

19

 

 

 

 

 

 

 

 

 

11

 

20

 

 

 

 

 

 

 

 

 

12

 

21

 

 

 

 

 

 

 

 

 

13

 

22

 

 

 

 

 

 

 

 

 

14

 

23

 

 

 

 

 

 

 

 

 

15

 

24

 

 

 

16

 

25

 

 

 

 

 

 

 

 

 

17

 

26

 

 

 

 

 

 

 

 

 

18

 

27

 

 

 

 

 

 

 

 

 

19

 

28

 

 

 

 

 

 

 

 

 

20

 

29

 

 

 

 

 

 

 

 

 

21

 

30

 

 

 

 

 

 

 

 

 

22

 

31

 

 

 

 

 

 

 

 

 

23

 

32

 

 

 

 

 

 

 

 

 

24

 

33

 

 

 

 

 

 

* Indicate any changes to default line jack numbers or extension jack numbers in the space provided in these columns, if applicable

Page 126
Image 126
AT&T II manual Form B Centrex Extension Numbers

II specifications

AT&T II, a pivotal case in the landscape of telecommunications regulation, emerged from the expansive antitrust actions against the American Telephone and Telegraph Company (AT&T). Following World War II, AT&T had established itself as a telecommunications behemoth, monopolizing the market. The ramifications of this dominance spurred a significant shift in regulatory measures, leading to the dissolution of the Bell System in 1984, which consisted of AT&T and its regional operating companies.

One key feature of AT&T II is its emphasis on promoting competition in the telecommunications sector. The court's decision aimed to dismantle the monopolistic practices that had stifled innovation and restricted consumer choice. By encouraging competition among various service providers, the ruling paved the way for an environment where new technologies could flourish.

The technologies that emerged post-AT&T II significantly transformed the telecommunications landscape. The introduction of new digital switching systems allowed for improved call quality and increased network efficiency. The evolution of fiber-optic technology also played a crucial role, enabling faster transmission speeds and greater data capacity. Moreover, innovative services, such as mobile telephony and broadband internet, proliferated as competition increased.

Another characteristic of AT&T II is its focus on accessibility and consumer protection. The ruling mandated that telecommunications services be available to a broader swath of the population, ensuring that underserved communities had access to essential communication services. This shift not only democratized access but also laid the groundwork for the modern internet revolution, fostering the growth of the digital economy.

The impact of AT&T II can also be seen in the regulatory frameworks that followed. The Federal Communications Commission (FCC) adopted policies aimed at enhancing market transparency and ensuring fair practices among competitors. These regulatory changes helped to create a more equitable playing field, allowing smaller companies to compete against established giants.

In summary, AT&T II marked a turning point in telecommunications history, characterized by a focus on competition, technological advancements, and consumer protection. The dissolution of AT&T's monopoly allowed for the rapid evolution of technology and services, ultimately benefiting consumers and fostering an environment ripe for innovation. This ruling not only redefined the telecommunications industry but also set a precedent for how markets are regulated in the United States.