Nortel Networks 555-4001-135 User Manual

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Nortel Integrated Conference Bridge Service Implementation Guide
Upgrades
Purpose
This chapter provides procedures for upgrading your system to ICB 
Release 4 from previous releases and for upgrading sub-issues of ICB 
Release 4. The chapter contains the following sections:
 – provides information to 
help prepare for an upgrade.
 – provides system upgrade 
procedures.
Overview
The ICB Release 4 can be upgraded from MICB Release 2 and MICB 
Release 3, but not from MICB Release 1. A new board and a new flash 
card are provided when upgrading. The vintage BC and flash card are 
replaced in upgrading. The dongle remains. Upgrades cannot be 
completed over the web. A new keycode is required when upgrading. 
Table 56 shows the upgrade paths regarding the conversion of 
hardware and customer data.
Table 56  
 
ICB upgrade paths 
From ...
To ...
 Firmware
Card
Firmware
Card
Data conversion
MICB Release 1
NT5D51AA
ICB Release 4
NT5D51BC
No
MICB Release 1
NT5D51AB
ICB Release 4
NT5D51BC
No
MICB Release 2
NT5D51AB
ICB Release 4
NT5D51BC
Yes
MICB Release 2
NT5D51AB
ICB Release 4
NT5D51BC
Yes