E3337 Cmd Rej: MNP invalid if GPORT enabled and APORT/IGM not enabled
The Mobile Number Portability (MNP) service is not supported if the G-Port feature is enabled and either the A-Port feature or IS41 GSM Migration (IGM) feature is not enabled.
Recovery
Display the status of controlled feature 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 the desired feature. Refer to the A-Port User's Guide and the IS41 GSM Migration User's Guide for assistance.
Re-enter the chg-sccp-serv command that generated this error message.
