Here we would like to draw your attention to SPHW transaction code in SAP. As we know it is being used in the SAP BC-SRV (Basis Services / Communication Interfaces in Basis) component which is coming under BC module (BASIS).SPHW is a transaction code used for Initiate Call in Web Applications in SAP.
It comes under the package SPHO.When we execute this transaction code, RSPHITS1 is the normal standard SAP program that is being executed in background.
Transaction SPHW technical data table
|Purpose||Initiate Call in Web Applications|