Telnet is already in the required state, no action taken.

jobname is the name of the procedure that is used to start the TN3270 server or the job name identifier of the procedure that is used to start the TN3270 server. If you start the TN3270.TNSRV1 server, the jobname value TNSRV1. If you start the TN3270 server, the jobname value is TN3270.

requested_service is the name of the requested service to perform.