E2391 Cmd Rej: Echo not allowed for telnet terminals

The value specified for the trm parameter cannot indicate a telnet port.

Recovery

1. Display the terminals in the system. Enter the rtrv-trm command.
   They type of terminal is shown in the TYPE column.
2. Re-enter the act-echo command the generated this error message, specifying a valid combination of parameters. Refer to the command description in Commands User's Guide and to the Database Administration - System Management User's Guide for assistance.
   Contact My Oracle Support if this error message appears again. See My Oracle Support (MOS).