E4121 Cmd Rej: ENCODE = AMI not currently supported
The encode=ami parameter is supported only for an HC-MIM, E5-E1T1, or E5-E1T1-B card used as an E1 card.
Recovery
Display the card types in the system. Enter the rtrv-card command.
Replace the existing cards as necessary. Refer to Database Administration - SS7 User's Guide for assistance.
Re-enter the ent/chg-e1 command that generated this error message, specifying a valid combination of parameters. Refer to the command description in Commands User's Guide for assistance.