Wireless communication handover method and apparatus

Details Wireless communication handover method and apparatus Wireless communication handover method and apparatus

2006-05-23

2006-05-23

Feild, Joseph (Department: 2681)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S552100, C455S555000, C455S554100, C455S462000

Reexamination Certificate

active

07050805

ABSTRACT:
When using a first wireless communication system to facilitate at least a first wireless communication and in response to detecting at least one handover condition, a mobile station can automatically use a second wireless communication system to establish a communication link to a private branch exchange that is associated with the first wireless communication system and automatically transmit a pre-established message to the private branch exchange to trigger a handover of the first wireless communication from the first wireless communication system to the second wireless communication system.

REFERENCES:
patent: 5239682 (1993-08-01), Strawcynski et al.
patent: 6138020 (2000-10-01), Galyas et al.
patent: 6223054 (2001-04-01), Katko
patent: 2003/0114158 (2003-06-01), Soderbacka et al.
patent: 2004/0146021 (2004-07-01), Fors et al.
patent: 2005/0070288 (2005-03-01), Belkin et al.

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