Patent ID: 9014730
Filing Date: 2015-04-21
Classification: H04L,H04W

Abstract:
1. An apparatus comprising: a Short Message Service Center (SMSC) that directly connects to a Mobility Management Entity (MME) over an interface in a Long Term Evolution (LTE) network; the SMSC is configured to attempt delivery of a text message to a mobile device, and to determine that the delivery attempt failed due to the mobile device being unavailable; wherein the SMSC is configured to transmit a request directly to the MME to be notified when the mobile device becomes available instead of querying a Home Subscriber Server (HSS); and wherein the SMSC is configured to receive a notification directly from the MME in response to the request that the mobile device is available, and to retry delivery of the text message to the mobile device responsive to the notification from the MME that the mobile device is available without any involvement of the HSS.