EDRX MT SM ENHANCEMENT OF MT SM DELIVERY FOR EDRX ENABLED MOBILE TERMINALS

摘要

The present invention relates to mobility management nodes and methods of mobility management nodes to enable delivery of a Mobile Terminating (MT) Short Message (SM) to a mobile terminal. In a first aspect of the invention, a mobility management node that enables delivery of a mobile end (MT) short message (SM) to a mobile terminal currently in extended idle mode discontinuous reception (eDRX) mode. The method of is provided. The method comprises receiving an indication from the Short Message Service Gateway Mobile Switching Center (SMS-GMSC) that an SM is to be delivered, wherein the mobile terminal receives extended idle discontinuity before a paging time occurs. receiving a notification that the user has left the eDRX mode, and in response to the notification, submit a message to the SMS-GMSC indicating that the mobile terminal is available for delivery of the SM.