Method and apparatuses for the transmission of a short message in an evolved packet system providing an interworking function

摘要: The invention relates to a Core Network for the transmission of short message in an Evolved Packet System (EPS) mobile radio access network, providing SMS over SGs functionality, further comprising Mobility Management Entity (MME) and Short Message Service Center (SMSC), unit Interworking Function (IWF) handling messages such that Mobile Switching (MSC) is bypassed with regard and/or reception respect User Equipment (UE) having data connection communication direct provided between (SMSC) via (IWF).