For the chg-sccpopts command, the ANSI/ITU SCCP Conversion feature must be ON before the cnvclgitu parameter can be specified.
Recovery
Enter the rtrv-ctrl-feat command to display the status of the ANSI/ITU SCCP Conversion feature.
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.
Re-enter the command that generated this error message, enable the feature as necessary. Refer to the command description in Commands User's Guide for assistance.