TheSMSmeanthattransferringshortmessagebetweenaGSMMSandanSMEviaanSC.Theshortmessagepoint-to-pointservicecomprisetwobasicservicebetweentheMSandSC:SMMT(ShortMessageMobileTerminatedPoint-to-Point);SMMO(ShortMessageMobileOriginatedPoint-to-Point).SMMTmeanthatGSMsystemtransferashort