Switching method and device
A handover preparation and network technology, applied in the field of communication, can solve the problems of unable to continue to use PS data service handover process time, poor user experience, etc., and achieve good customer experience and short handover time
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[0027] The specific implementation manners of the embodiments of the present invention will be described below in conjunction with the accompanying drawings.
[0028] The embodiment of the present invention is mainly based on a CSFB (CS Fallback, voice fallback in CS domain) call flow. It should be noted that those skilled in the art should understand that for the CSFB called procedure, the processing procedure is similar, so details will not be repeated here.
[0029] Those skilled in the art should understand that, according to the technical solution provided by the implementation of the present invention, there can be similar or similar technical solutions applied to the CSFB process from LTE to 2G / 3G, or applied to SRVCC (Single Radio Voice Call Continuity single wireless voice Call Continuity) process, the above-mentioned technical solutions should be in the protection scope of the present invention.
[0030] In the following embodiments, if the target 1xRTT base station...
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