Feature

Description

For instructions, see...

 

Do Not

Prevents the phone from

Page 5-16

 

 

 

Disturb

ringing.

Telephone Programmjng

 

 

 

 

Requires a button with a light.

 

 

 

 

 

 

 

 

Doorphones

Lets visitors signal one or

Page 5-13

 

 

 

 

more extensions from a

System Programming

 

 

 

doorphone.

Doorphone 1 Extension (procedure #604)

 

 

 

 

Doorphone 2 Extension (procedure #605)

 

 

 

 

Door hone Alert Extensions (procedure

 

 

 

 

#606)

 

 

 

 

 

 

 

 

 

Emergency

Defines a list of numbers that

Page 5-12

 

 

 

Phone

can be dialed by any

System Programming (procedure #406)

 

 

Numbers

extension, regardless of

 

 

 

 

 

equipment dialing restrictions.

 

 

 

 

 

(Does not circumvent Centrex

 

 

 

 

 

dialing restrictions.)

 

 

 

 

 

 

 

 

 

 

Exclusive

Prevents other extensions that

Page 5-16

 

 

 

Hold

share the same line from

Telephone

Programming

 

 

 

picking up a call on hold.

 

 

 

 

Fax

Identifies a fax machine

Page 5-13

 

 

 

Machines

extension.

System Programming (procedure #601)

 

 

Group

Rings all extensions in a

Page 5-13

 

 

 

Calling

Calling Group.

System Programming

 

 

 

 

Calling Group Extensions (procedure #502)

 

 

 

 

Page 5-16

 

 

 

 

 

Telephone

Programming

 

 

 

 

 

 

 

 

Group

Pages all extensions in a

Page 5-13

 

 

 

Paging

Calling Group over their

System Programming

 

 

 

MLS-model phone speakers.

Calling Group Extensions (procedure #502)

 

 

 

 

Page 5-16

 

 

 

 

 

Telephone Programming

 

 

 

 

 

 

 

 

Group

Picks up any ringing call for a

Page 5-13

 

 

 

Pickup

pickup group.

System Programming

 

 

 

 

Pickup Group Extensions (procedure #501)

 

 

 

 

Page 5-16

 

 

 

 

 

Telephone

Programming

 

 

Hotline

Lets the user at an extension

Page 5-13

 

 

 

 

ring another extension (or the

System Programming (procedure #603)

 

 

 

loudspeaker paging system)

 

 

 

 

 

automatically, simply by lifting

 

 

 

 

 

the handset of the Hotline

 

 

 

 

 

phone.

 

 

 

 

 

 

 

 

 

Intercom

Lets users who have MLS- or

Page 5-15.Also see Appendix B

 

 

Calling

MLC-model telephones make

 

 

 

 

 

calls within the system using

 

 

 

 

 

the [ Intercom ] buttons on their

 

 

 

 

 

phones, so at they do not tie

 

 

 

 

 

up their primary lines.

 

 

 

 

 

 

 

 

 

 

Last

Redials the last inside or

Page 5-16

 

 

 

Number

outside number dialed.

Telephone

Programming

 

 

Redial

 

 

 

 

 

 

 

 

 

 

 

Loudspeaker

Connects a user to an

Page 5-16

 

 

 

Paging

(optional) loudspeaker paging

Telephone

Programming

 

 

 

system.

 

 

 

 

 

 

 

 

 

 

Message

Turns the message light on an

Page 5-16

 

 

 

Lights

MLS- or MLC-model phone on

Telephone

Programming

 

 

 

or off.

Message Light On

 

 

 

 

Message Light Off

 

 

 

 

 

 

 

4-26Customizing Your System

Page 74
Image 74
AT&T II manual 26Customizing Your System, Telephone Programmjng, System Programming procedure #406

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.