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Page 2 NDA-30016 Revision 3.0
Introduction Roamer Installation Guide
A Note About the Logical and Physical Numbers Used By Roamer:
Roamer uses logical and physical numbers to move users from one phone to
another. A physical number (e.g., 4502) is the actual extension associated to a
D
term
or station through the NEAX2400 MAT. A logical number (e.g., 202) is an
arbitrary number that is associated to a telephone user and that is controlled by the
Open Application Interface (OAI). Physical numbers are not moved. Logical
numbers move with the user. Thus, when a user indicates a move, Roamer finds the
user’s logical number and reassigns it to the physical number of the new telephone.
During installation, a logical number and a home physical number are assigned to
each user in the Roamer database. Assignments are made at the NEAX2400 MAT
which associates those physical numbers to specific D
terms
.
These two sets of numbers can be the same or different. If they are different and
OAI processing is interrupted, Roamer may lose access to the physical numbers
since OAI relocates users by their logical numbers. If the two numbering systems
are the same and OAI processing is interrupted, all users can be restored to their
physical home phone numbers by disabling the Free Location Feature through the
NEAX2400 MAT.
The installation process, including its presentation in this manual and reference to
other manuals that you need to complete installation, is illustrated in Figure 1-1 on
page 3: