The G-Flex or Equipment Identity Register (EIR) feature must be turned on before the imsi parameter can be specified.
Recovery
Determine the status of the G-Flex and EIR features. Enter the rtrv-ctrl-feat command.
If the feature does not appear in the output, then the feature is not enabled. If the feature has a status of OFF, then the feature is enabled but is not turned on.
Enable and turn on the desired feature. Refer to the G-Flex C7 Relay User's Guide or to the EIR User's Guide for assistance.
Re-enter the ent-trace command that generated this error message.