Problem

Possible Cause

Do This

If...

Then...

3. Trouble

1. Someone changed

Find out: were you

You were able to call

Go to Possible Cause 2.

Making

your Outgoing Call

able to make a call

on the phone before

 

Outside and

Restriction.

without any trouble

and no one changed

 

Inside Calls

 

before?

your Outgoing Call

 

 

 

 

Restriction,

 

Trouble could be:

 

 

 

 

2. Local phone

Isolate the problem.

You cannot make

Follow the procedure for

 

You hear a dial

company is not

Use the telephone to

calls from one phone

Problem 16 on page

accurately

make calls on different

on all lines,

C-8.

tone, but it con-

receiving the

lines. Then, make

 

 

tinues as you try

 

Go to Possible Cause 3.

dialing signals.

calls on each line

 

to dial.

You cannot make

 

using different phones.

 

 

 

 

You hear a dial

 

 

calls using different

 

 

 

phones,

 

tone and it cuts

 

 

 

off when you dial,

3. Local phone

One at a time, unplug

The trouble appears

Try connecting another

but the line does

company Centrex

each outside line from

on the standard

line cord; if the trouble

not ring.

line is faulty.

the 206 or 400 module

phone,

persists, report the

You hear nothing.

 

inside the controller.

 

problem to your Centrex

 

Plug each line into a

 

provider.

 

 

standard telephone

 

The trouble is with your

 

 

and try to make a call.

The trouble does not

 

 

 

appear on the

controller. Call the

 

 

 

standard phone,

AT&T Helpline*.

4. Using Recall

Recall Timer

Increase the Recall

The Recall feature

The problem is solved.

Feature Has

Duration is set too

Timer Duration (#107)

works,

 

No Effect

short.

by 100 milliseconds.

The Recall feature

Continue increasing the

 

 

See page 5-10.

 

 

 

still disconnects

Recall Timer Duration

 

 

 

calls,

(#107) by increments of

 

 

 

 

100 milliseconds until

 

 

 

 

the problem is solved.

5. Using Recall

Recall Timer

Decrease the Recall

The Recall feature

The problem is solved,

Feature

Duration is set too

Timer Duration (#107)

works,

 

Disconnects

long.

by 100 milliseconds.

 

 

Call

 

See page 5-10.

The Recall feature

Continue decreasing

 

 

 

still disconnects

the Recall Timer

 

 

 

calls,

Duration (#107) by

 

 

 

 

increments of 100

 

 

 

 

milliseconds until the

 

 

 

 

problem is solved.

6. Calls are

An optional device,

Make sure the device

The optional device

Reset the device. If the

Answered

such as a fax

is set to answer

was set improperly,

problem remains, call

Automatically

machine, answering

correctly. If the device

 

the AT&T Helpline*.

 

machine, or modem

answers before it

The optional device

If the problem remains,

A call rings once

answers when it

should, adjust it to

on a line, and the

should not.

answer on a later ring.

was set properly,

call the AT&T Helpline*.

line button light

 

Either set the device

 

 

shows red steady

 

itself to answer on a

 

 

as though it was

 

later ring (when Line

 

 

answered.

 

Ringing for the

 

 

 

 

device's line is set to

 

 

 

 

“immediate ring”)or

 

 

 

 

set Line Ringing to

 

 

 

 

“delayed ring.” If the

 

 

 

 

device should not

 

 

 

 

answer calls, turn its

 

 

 

 

auto-answer feature

 

 

 

 

off. Refer to the

 

 

 

 

device’s manual for

 

 

 

 

instructions on turning

 

 

 

 

the device’s auto-

 

 

 

 

answer feature off.

 

 

*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.

C-4Maintenance and Customer Support

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AT&T II manual 4Maintenance and Customer Support

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.