Problem

Possible Cause

Do This

If...

Then...

7. Phone Does

1. Volume control is

Press the volume

Phone rings

Problem is solved.

Not Ring

set too low (MLS- or

control button to

increasingly louder,

 

 

MLC-model phone)

increase ringer

Phone still does not

Go to Possible Cause 2.

 

or turned off

volume, or turn ringer

 

(standard phone).

on.

ring,

 

 

2. Do not disturb, call

Turn off any Centrex

Phone rings,

Problem is solved.

 

forwarding, or a

features.

Centrex feature is not

Go to Possible Cause 3.

 

similar Centrex

 

 

feature is turned on.

 

on,

 

 

3. Equipment feature

Check to see if Do Not

Feature is on,

Turn feature off (press

 

Do Not Disturb or

Disturb or Call

 

programmed button or

 

Call Forwarding is

Forwarding is turned

 

dial feature code).

 

turned on.

on.

Feature is off,

Go to Possible Cause 4.

 

 

 

 

 

 

 

 

 

4. Phone’s Line

Check to see if the

Line Ringing is set

Change programming if

 

Ringing option may

phone’s Line Ringing

for “no ring” or

necessary.

 

be programmed for

option is programmed

“delayed ring,”

 

 

“no ring” or

for “no ring” or

Line Ringing is set

Phone may be faulty.

 

“delayed ring.”

“delayed ring.” Refer

 

 

to page 5-15.

for “immediate ring,”

Follow Procedure for

 

 

 

 

Problem 16, page C-8.

 

 

 

 

 

 

5. Local phone

Connect a standard

Standard phone

Contact your local

 

company Centrex

telephone to the

does not ring,

telephone company.

 

service may be the

network interface jack

Standard phone

MLS- or MLC-model

 

problem.

for the line assigned to

 

 

the extension and

rings,

phone may be faulty.

 

 

make a call to it to test

 

Follow procedure for

 

 

ringing.

 

Problem 16, page C-8.

8. Trouble

1. If you are using an

Remove the handset

The problem is

Call the AT&T Helpline*

Hearing

MLS- or MLC-

and cord and

solved,

to order a replacement.

Called Party

model phone,

substitute a handset

The problem is not

Go to Possible Cause 2.

 

there may be a

and cord from an MLS-

 

problem with the

or MLC-model phone

solved,

 

 

handset.

that you have tested.

 

 

 

2. If you are using a

See “Speakerphone

The problem is not

Go to Possible Cause 3.

 

speakerphone,

Performance Tips” on

solved,

 

 

there may be

page 6-7 for

 

 

 

environmental

suggestions on the

 

 

 

factors that affect

proper use of the

 

 

 

the performance of

speakerphone.

 

 

 

the speaker or

 

 

 

 

microphone (for

 

 

 

 

example, back-

 

 

 

 

ground noise).

 

 

 

 

3. If the system is set

Reset the Rotary

You can hear the

The problem is solved.

 

for rotary dialing,

Dialing Timeout (#108)

called party answer,

 

 

the Rotary Dialing

interval. Refer to page

The problem is not

Call the AT&T Helpline*.

 

Timeout interval is

5-12.

 

too long. (If equip-

 

solved,

 

 

ment is set for

 

 

 

 

touch-tone dialing,

 

 

 

 

you may have a

 

 

 

 

faulty phone or cord.

 

 

 

 

See Problem 16,

 

 

 

 

page C-8.)

 

 

 

*In the U.S., help is available 24 hours a day at 1 800 628-2888. In Canada call your local AT&T authorized dealer.

Maintenance and Customer Support C-5

Page 135 Page 137
Page 136
Image 136
AT&T II manual Maintenance and Customer Support C-5, Problem Possible Cause Do This Then Phone Does, Not Ring, Hearing
Page 135 Page 137

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.
Top Page Image Contents