
Chapter 3 Installing IP telephones 43
IP Telephony Configuration Guide
Preparing your system for IP telephone registration
When you install an IP telephone on a Business Communications Manager, you must activate
terminal registration on the Business Communications Manager. If this is your first installation,
you need to set the general parameters for IP registration.
For the simplest installation possible, set telephone Registration and
Auto Assign DNs to ON, and leave the Password field blank. IP telephones installed on the
system LAN will connect and boot-up without manual registration.
Setting IP terminal general settings
1 In Unified Manager, open Services, IP Telephony, IP Terminals and Nortel IP Terminals.
2 Select the General tab.
The General screen appears.
Figure 5 Set registration properties
!
Security Note: Turn Registration and Auto Assign DNs off once the telephone(s) are
registered. Nortel cautions that leaving your IP registration open and unprotected by a
password may pose a security risk.
Caution: DN auto assign: Call Center DNs (CDNs) and IP telephones share a common
DN database. If you use auto assign to assign DNs to your IP telephones, the system can
inadvertently assign an IP telephone to a DN within the CDN range. CDNs do not register
to the system, so the system has no way of knowing that the DN is already assigned. If this
happens, you can rename the IP DN to a DN outside the CDN range and reenter the CDN
information.
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