Patent ID: 6097962
Filing Date: 2000-08-01
Classification: H04W

Abstract:
A method of handling Short Message Service (SMS) messages in a radio telecommunications network when an originating Mobile Station-based Short Message Entity (MS-SME) sends a SMS origination message on a Digital Traffic Channel (DTC) while operating in a serving Mobile Switching Center (MSC) and then moves into an anchor MSC before the MS-SME receives a SMS acknowledgement message, the method comprising the steps of:including a message-correlating parameter in an intersystem SMS delivery message sent from the serving MSC to the anchor MSC, the message-correlating parameter enabling the originating MS-SME to correlate the SMS acknowledgement message with the SMS origination message;determining, by the anchor MSC, that the MS-SME is in the anchor MSC's service area; andsending the SMS acknowledgement message directly from the anchor MSC to the originating MS-SME on the DTC utilizing the information from the message-correlating parameter.