Patent ID: 7260412
Filing Date: 2007-08-21
Classification: H04W

Abstract:
1. In a wireless communication system including a packet data gateway (PDG), an authentication, authorization and accounting (AAA) server, a home location register (HLR)/home subscriber server (HSS) that is in communication with the PDG and the AAA server, a short message service (SMS) switching center, an Internet Protocol short message gateway (IP-SM-GW) having an SMS proxy platform that is in communication with the PDG, a multimedia service (MMS) server having a memory, and a wireless local area network (WLAN) that is in communication with the PDG, a method of supporting an MMS provided to a user of a wireless transmit/receive unit (WTRU) that communicates with the wireless communication system, the method comprising: (a) establishing an SMS connection through the WTRU, the WLAN and the PDG; (b) registering the WTRU with the SMS proxy platform to establish SMS connectivity, (c) registering the WTRU with the MMS server to establish MMS connectivity, (d) the MMS server receiving a new MMS message; (e) the MMS server sending an SMS message to the SMS switching center; (f) the SMS switching center retrieving information including at least one of an IP address and the address of the IP-SM-GW from at least one of the HLR/HSS and the AAA server; (g) the SMS switching center routine the SMS message to the WTRU via the IP-SM-GW, the PDG and the WLAN using the retrieved information; and (h) the WTRU retrieving the MMS message from the memory of the MMS server.