BT ISDN Technické informace stáhnout pdf (Strana 4)

and hear the person at the other end of the line, as

well as see, discuss and amend work in real time. And

you’ll be able to do it through your phone system or in

stand-alone mode.

Apart from the generic benefit of increased clarity for

voice calls (digital lines are not so susceptible to

interference as analogue ones), working through a

phone system gives you the freedom to send and

receive data directly from the desktop. What’s more,

you’ll be able to do so faster than ever before (at up to

128k if you bond your two digital channels together to

form a super-fast link). Other possibilities include

LAN-to-LAN access and remote access to your

company network when working from home.

Before we visit

Decide where you want your

ISDN 2e box installed

Before our engineer arrives, you will need to decide

where you would like your ISDN 2e box to be fitted.

The best place is probably near your computer or

phone system, as this will avoid the need for

extension wiring.

If we’re converting an existing line to ISDN 2e, we

would typically replace your existing BT line box with

its ISDN 2e equivalent. That said, we would be happy

to locate your new box anywhere in your office/home

at no extra charge. You should also bear in mind that

a Terminal Adapter (which effectively connects your

digital equipment to BT’s ISDN network) needs a

power supply to operate (see ‘Communicating

through your computer on page 6).

Welcome to the fast lane

Thank you for ordering ISDN 2e. This guide explains

how to set up the service and get the most from it. It

also tells you what your bill will look like and provides

useful BT numbers to call in case you have an enquiry

or encounter a service problem. We very much hope

that you enjoy life in the fast lane with ISDN 2e.

ISDN 2e in a nutshell

ISDN 2e is a digital communications service from BT

that speeds existing working and opens up the door to

exciting new ways of working that will save you time

and help you to control costs.

At its most simplistic, ISDN 2e transforms an existing

phone line into two channels and enables you to do

two things at once. For example, you can phone while

you’re receiving a fax, or take a phone call while you

access your e-mail. Moreover, while you’re working on

the Internet, perhaps downloading files or searching

for business information, you’ll be able to do

everything faster than you can with the fastest modem.

You also have the option of connecting a computer and

other equipment (including supported digital phones,

Group 4 fax machines and videoconferencing terminals)

to ISDN 2e through a digital phone system (most

modern digital phone systems, such as BT’s Norstar and

Meridian 1 ranges, are compatible with the service).

Take videoconferencing as an example. With the

appropriate hardware (a dedicated terminal or an

adapted computer) and software, you’ll be able to see

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