Brother MFC-L2720DW User's Guide download pdf (Page 47)

Set Telephone Line

Compatibility for

Interference and VoIP

Systems

Related Models:

MFC-L2720DW/MFC-L2740DW

Problems sending and receiving faxes due to

possible interference on the telephone line

may be solved by lowering the modem speed

to minimize errors in fax transmission. If you

are using a Voice over IP (VoIP) service,

Brother recommends changing the

compatibility to Basic (for VoIP).

• VoIP is a type of phone system that

uses an Internet connection, rather

than a traditional phone line.

1

Press (Settings) > All

Settings > Initial Setup >

Compatibility.

2

Press High, Normal or Basic (for

VoIP).

Option Description

High

Select High to set the

modem speed at 33600

bps.

Normal

Select Normal to set the

modem speed at 14400

bps.

Basic

(for

VoIP)

Select Basic (for

VoIP) to reduce the

modem speed to 9600 bps

and turn off Error

Correction Mode (ECM).

Unless interference is a

recurring problem on your

telephone line, you may

prefer to use it only when

needed.

To improve compatibility

with most VoIP services,

Option Description

Brother recommends

changing the compatibility

setting to Basic (for

VoIP).

3

Press .

• Fax and Telephone Problems on page 49

Related Information

Receive Modes

Related Models:

MFC-L2720DW/MFC-L2740DW

Some receive modes answer automatically

(Fax Only Mode and Fax/Tel Mode). You may

want to change the Ring Delay before using

these modes.

Fax Only Mode

(Fax or Fax only in the Machine's Menu)

Fax Only Mode automatically answers

every call as a fax.

Fax/Tel Mode

(Fax/Tel in the Machine's Menu)

Fax/Tel Mode helps you manage incoming

calls, by recognizing whether they are fax

or voice calls and handling them in one of

the following ways:

• Faxes will be received automatically.

• Voice calls will start the F/T ring to tell

you to pick up the call. The F/T ring is a

fast pseudo/double-ring made by your

machine.

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