Avaya Configuring Dial Services Uživatelský manuál Strana 31

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1-1
Chapter 1
Getting Started
A
dial service
provides access to a central switched network for remote users,
such as people in branch offices, telecommuters, and sales people in the field. To
make these remote connections, dial services use dial-up lines (also called
switched lines
), which are activated when there is data to send across the network
or when a failed or congested leased line needs a secondary dial-up connection.
Dial-up lines can be a cost-effective alternative to leased lines and packet
networks, which are permanent connections that are available regardless of
network traffic.
This manual describes three dial services: dial-on-demand, dial backup, and
bandwidth-on-demand. In this chapter, you will perform a basic dial service
configuration--that is, a configuration using all available defaults. Setting up a
basic configuration will familiarize you with the configuration tasks. Subsequent
chapters explain how to customize the configuration to suit your needs.
How to Use This Manual
Understanding how this manual is organized should make it more useful to you.
The manual is organized as follows:
Getting Started, which explains how to set up a basic configuration using all
of the defaults.
Begin by reading this chapter. This gives you a general idea of the
configuration tasks you will perform; however, it does not describe many
features that you may want to implement for your network.
Overviews and features of each dial service.
This information is included in Chapters 2 through 7.
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