Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-10-30
2007-10-30
Zewdu, Meless (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S437000, C455S438000, C455S439000, C370S311000
Reexamination Certificate
active
09744612
ABSTRACT:
A method for performing handover of a mobile station communicating in a first call via a first network to communication in a second call via a second network, comprising: generating a request for handover; establishing the second call between the first network and the mobile station via the second network; and transferring data communication between the mobile station and the first network from the first call to the second call.
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Nokia Corporation
Perman & Green LLP
Zewdu Meless
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