The Remote Procedure Call (RPC) mode allows you to generate an RPC containing an emulation that accesses a discrete piece of information in a legacy mainframe application.

Using the Telnet Designer, you can run the mainframe application, identify the specific screens and fields of the particular transaction you want to emulate, and then save it to an RPC that can be used by the client application at run time. The RPC can be saved as a stand-alone Java program.