AT&T MLC-6 Instruction Manual download pdf (Page 110)

Problem

Possible Cause

Do This

If...

Then...

9. Phone

Rings

Back After

Intercom

Call with

No One at

Other End

1. The switchhook on

a standard phone is

accidentally pressed

and released,

causing a call to ring

back.

The problem is not

solved,

Always replace the

handset carefully.

Go to Possible

Cause 2.

2. Automatic Line

Selection is

programmed

incorrectly.

If one of the phones

involved is a standard

single-line rotary or

touch-tone phone,

program its Automatic

Line Selection to

“intercom first.”

The problem is not

solved,

Call 1 800

628-2888.

10. Combin-

ation Ex-

tension

Problem:

Phone

Does Not

Ring

Properly

1. Ringer equivalents

are too high for the

extension.

Check the total of the

Ringer Equivalence

Numbers (REN) at the

extension. If it exceeds

2.0, unplug one of the

devices.

The ringer functions

properly,

Problem is with

optional device;

the system is okay.

Trouble still appears,

Go to Possible

Cause 2.

2. Optional device

(fax, answering

machine, etc.) is

faulty.

Remove the optional

device from the extension

and plug in an optional

device that you know

rings properly.

The ringer functions

properly,

The problem is

with optional

device; the system

is okay.

Trouble still appears,

Go to Possible

Cause 3.

3. Bad adapter or

combination device.

Make sure the standard

device in the combination

is plugged into the

correct slot on the 267F2

bridging adapter (see

Figure 2-2). If the exten-

sion still does not work

properly, unplug the

adapter from the wall

jack. Unplug the phone’s

cord from the adapter

and plug it into the jack.

The phone works,

There is a problem

with the optional

device attached to

the extension or

bridging adapter.

Replace the

optional device. If

the problem

persists, call 1 800

628-2888.

The phone does not

work,

Call 1 800

628-2888.

11. Calls on

Hold

1. Hold Disconnect

Time is programmed

incorrectly—too long.

Change the Hold

Disconnect Time (#203)

from “long” to “short.”

See Chapter 3.

Abandoned calls on

hold are

disconnected,

The problem is

solved.

Line

Hangs

Up, but

Does Not

Discon-

Abandoned calls on

hold still do not

disconnect, or the

Hold Disconnect Time

was already “short,”

Go to Possible

Cause 2.

nect

2. Local phone

company does not

send hold release

signal.

Call phone company to

find out whether they

send a hold release

signal.

If they do not, or if

they do but the

problem still occurs,

Call 1 800

628-2888.

12. Calls

on Hold

Are

Discon-

nected

Hold Disconnect Time

is programmed

incorrectly—too short.

Change the Hold

Disconnect Time (#203)

from “short” to “long.”

See Chapter 3.

Calls on hold no

longer disconnect,

The problem is

solved.

Calls on hold still get

disconnected, or the

Hold Disconnect Time

was already set to

Call 1 800

628-2888.

“long.”

B-6 Maintenance and Customer Support

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