Isdn Operation; E-Mail Clients - Bay Networks Nautica 200 Reference Manual

Nautica Configuration Wizard Reference Guide

ISDN Operation

E-mail Clients

1-2
Use of an ISDN router over a public ISDN network is usually on
a pay-as-you-go basis. You pay for the time that your ISDN link
is connected, although some suppliers also charge for every call
attempt.
Your ISDN router makes calls when there is one or more packets
to send to a remote network. In order to reduce the amount of
ISDN calls this can generate, it is important that you read the rest
of this section. The options outlined here can dramatically reduce
the amount of automatic ISDN calls made by your router.
Your Nautica router comes with a software package called
Nautica Watch (Chapter
monitor the activity on your router. The LED on the front of the
router also shows when the router is in use. The green LED will
flash continuously when the router is in use. If this happens when
you are not actively using your PC, then the PC or an application
on the PC is connecting to a remote network resource.
Note: There are no LEDs on the Nautica Marlin or Nautica
4000.
If you are in any doubt at all about any of the following points, or
the operation of your router, contact your local ISDN supplier for
advice.
Most TCP/IP based e-mail clients can be configured to check the
mail server for new mail at set intervals. This is known as polling.
If you are locally attached to a mail server, it may be appropriate
to poll for e-mail every five minutes or less. These rules change if
you are remotely connected to a mail server via an ISDN router. It
is not appropriate, for example, to have the router calling the
remote mail server every five minutes to check for new mail.
21). Nautica Watch allows you to
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