E4771 Cmd Rej: GFLEX/GPORT must be ON or IGM/MT-Based GSM SMS NP enabled
The G-Flex or G-Port feature must be turned on or the MT-Based GSM SMS NP or IGM feature must be enabled before the defmcc parameter can be specified.
Recovery
Display the status of controlled features in the system. 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 or enable and turn on the feature as necessary. Refer to the Commands User's Guide, G-Port User's Guide, and G-Flex C7 Relay User's Guide for assistance.
Re-enter the chg-gsmopts command that generated this error message.