Configuration of IP Telephony nodes using OTM 2.2 Page 515 of 910
IP Line Description, Installation and Maintenance
14 After all the Voice Gateway Media Cards have been reset, have
successfully rebooted, and are responding again to the OTM 2.2 IP Line
4.5 application, do a Status refresh (disabled: active; disabled: backup;
disabled).
15 Double-click each upgraded card and verify the card software version in
the S/W version field of the Configuration tab in the Card Properties
window.
16 Use the LD 32 ENLC command to re-enable the Voice Gateway Media
Cards.
Use LD 32 in the TTY or OTM Overlay passthru to re-enable the Voice
Gateway Media Card with one of the following commands:
ENLC l s c (for Meridian 1 Large Systems)
ENLC c (for Meridian 1 Small Systems)
17 Repeat the previous two steps for each Voice Gateway Media Card.
End of Procedure

Upgrade the Voice Gateway Media Card software

The minimum versions of IP Line 4.5 software for the Voice Gateway Media
Card vintages earlier than NTVQ01BB and NTVQ01AB are:
Version 6.8 for the Media Card
Version 5.7 for the ITG-P 24-port card
The minimum versions of IP Line 4.5 software for the Voice Gateway Media
Cards NTVQ01BB and NTVQ01AB is Version 8.2. There is no need to
download the Version 8.2 software for the Voice Gateway Media Cards
NTVQ01BB and NTVQ01AB as the software is pre-loaded at the factory.
Note: Refer to the ReadMe First document or the General Release
Bulletin to ensure that the latest firmware is identified.
To upgrade the IP Line software for the Voice Gateway Media Card, follow
the steps in Procedure 66 on page 516.