Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2007-11-27
2007-11-27
Perez-Gutierrez, Rafael (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S428000, C455S422100, C455S552100, C455S553100, C370S328000, C370S338000
Reexamination Certificate
active
10723831
ABSTRACT:
The present invention relates to a communication environment where calls are established with a single mobile terminal through either a cellular network or a packet network via a local wireless adaptor, which is capable of wirelessly communicating with the mobile terminal. As such, the mobile terminal may facilitate traditional cellular calls via the wireless network, or packet-based calls via the local wireless adaptor. When the mobile terminal is involved in a call and within a communication zone of the local wireless adaptor, the packet-based call is facilitated via the local wireless adaptor. As the mobile terminal approaches the outer limits of the communication zone, the call to the mobile terminal is transferred to another connection which is established through the cellular network. As such, the call may continue via the cellular network when local wireless communications are no longer available or not desired by the user.
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Nguyen Khai
Nortel Networks Limited
Perez-Gutierrez Rafael
Withrow & Terranova , PLLC
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