Here we would like to draw your attention to Z_PH_NUM 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).Z_PH_NUM is a transaction code used for Number range maintenance: ZPHRECORD in SAP.
It comes under the package Z_PAKET_CONTMOD.When we execute this transaction code, SAPMSNUM is the normal standard SAP program that is being executed in background.
Transaction Z_PH_NUM technical data table
|Purpose||Number range maintenance: ZPHRECORD|