Voice switching system and method based on dual-mode/multi-mode system
A modeling and voice technology, applied in connection management, wireless communication, wireless network protocol and other directions, can solve the problems of difficult implementation, high cost, complex structure, etc., and achieve the effect of switching, smooth switching and low cost.
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Embodiment 1
[0038] According to an embodiment of the present invention, a voice switching method based on dual-mode / multi-mode is provided. The method is used for voice switching of the calling terminal when the calling terminal is talking with the called terminal.
[0039] figure 2 A schematic diagram of voice switching by a calling terminal is shown. The calling terminal takes a WiMAX and 3G dual-mode terminal as an example, and the called terminal takes a CDMA and GSM dual-mode terminal as an example. When the calling terminal enters an area with weak signal strength, the terminal will decide whether to perform network switching according to the signal strength. figure 2 shows the process of a WiMAX user calling a GSM user. Wherein, 201 is a call initiation process, 202 the calling server notifies the called server of the user to be called, and 203 the called server notifies the called terminal to establish a call. When the WiMAX signal strength is less than a certain threshold, th...
Embodiment 2
[0053] According to an embodiment of the present invention, a voice switching method based on dual-mode / multi-mode is provided, and the method is used for voice switching of the called terminal when the calling terminal is talking with the called terminal.
[0054] Figure 5 It is a schematic diagram of voice switching by the called terminal. The calling terminal takes a WiMAX and 3G dual-mode terminal as an example, and the called terminal CDMA and GSM dual-mode terminal as an example. When the called terminal enters an area with weak signal strength, the called terminal will decide whether to perform network switching according to the signal strength. Figure 5 shows the process of a WiMAX user calling a GSM user. 501 is the call initiation process, 502 is the calling server notifying the called server of the user to be called, and 503 the called server notifying the called terminal to establish a call with the calling server. When the GSM signal strength of the called ter...
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