Avaya Business Communications Manager 5.0 - Planning and Engineering User Manual Page 275

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Nortel Business Communications Manager 5.0
Planning and Engineering
NN40170-200 01.03 Standard
August 2009
Copyright © 2009 Nortel Networks
BCM450 Dial Up overview
This section gives an overview of the key services of the dial-out interfaces on
the BCM.
Remote access service
Remote Access Service (RAS) allows a client system to dial a telephone
number and establish an IP link with a BCM. This link is a connection across
a telephone network over an ISDN line, or between a modem on the client
system and a modem on the BCM. Once this link is established, the client can
run IP applications to access the BCM system’s OAM server, Web Page
Server or BCM Monitor.
A user must provide credentials to establish the PPP connection. The
credentials used must match the ones of a BCM account which has the
PPPLogin privilege.
Attention: The modem or ISDN interface must be enabled for a connection
to take place.
The BCM can be configured with callback users along with their callback
numbers. In this scenario, the user can ask BCM to callback before
establishing the PPP connection. The BCM validates the user name and use
the callback number associated with the account where the user name was
found. The authentication is made using the user name and password
associated with the account where the callback user name was found. The
modem tries to call a configurable amount of time, with a configurable delay
between attempts.
The BCM modem or ISDN interface automatically disconnect if there is no
traffic on the IP link for a configurable amount of time.
The IP addresses assigned to the BCM and the remote client are configurable
The default configuration for the modem dial-in is for the BCM to assign
itself an address of 10.10.14.1 and assign to the remote client an address
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