MGC-25
•
Before you upgrade the dongle, please check and record the assignment between the
ISDN Network Service and ISDN Network card.
•
Check the serial number of the dongle currently installed on the MCU; right-click the
MCU icon, and then click System Configuration.
The serial number displayed in the System Configuration dialog box should match the
serial number of dongle as it appears in the name of the file sent to you (usually via
Software Upgrade Procedure
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