Nortel Networks Modular ICS 4.0 - Manual (Page 197)

Using System features / 185
P0881591 Issue 01 Modular ICS 4.0 System Coordinator Guide
transatlantic charges. You provide the sales representative
with a Class of Service password that gives access to the
transatlantic line. The sales representative can then telephone
into the Norstar system from a hotel, enter their Class of
Service password, and use the leased transatlantic line to make
calls.
Remote users can access Norstar lines, line pools, the page
feature, and remote administration (if enabled through
Software Keys). The exact facilities available to you through
remote access vary depending on how your installer or
customer service representative set up your system.
Controlling access to your Norstar system
It is important to maintain the security of your Norstar system
by limiting access to authorized users and limiting those users
to the features they need.
Direct inward system access (DISA)
Control access to your Norstar system with direct inward
system access (DISA). Access to your Norstar system from the
public telephone network should always be controlled with
DISA. If your installer or customer service representative
programs the line used for remote access to answer a call
automatically and wait for a DISA internal number, callers
Tip -
If the loop start line used for remote access is not
supervised, auto-answer does not function and the caller
hears ringing instead of a stuttered tone or the system dial
tone.
Remote users can make long distance calls.
Remember that a remote user can make long
distance calls that are charged to your company and
can make page announcements in your office.
p0881591.book Page 185 Wednesday, August 19, 1998 6:43 PM