发明名称 SYSTEM, APPARATUS AND METHOD FOR UPDATING GSM TO IMS COMMUNICATION SERVICES
摘要 A system for updating communication services includes user equipment configured to communicate using a first communication service standard and a second communication service standard, a subscriber database, an application server, and a network device. The network device detects an update trigger corresponding to a user equipment, requests that the user equipment discontinue using the first communication service standard, and flags the user equipment as updated by communicating with the application server and the subscriber database. The network device also receives a communication from the user equipment and determines whether the communication corresponds to the first communication service standard or the second communication service standard. If the communication corresponds to the first communication service standard the network device communicates an error message to the user equipment. However, if the communication corresponds to a second communication service standard, the network device processes the communication.
申请公布号 EP2215807(A1) 申请公布日期 2010.08.11
申请号 EP20080843608 申请日期 2008.10.15
申请人 NOKIA CORPORATION 发明人 MUTIKAINEN, JARI;POIKSELKAE, MIIKKA
分类号 H04L29/08;G06F9/445;H04M7/00 主分类号 H04L29/08
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