Method and device for acquiring 2g/3g location area information under circuit domain fallback
A circuit domain fallback and location information technology, which is applied in wireless communication, electrical components, accounting/billing services, etc., can solve problems that affect accurate business push, market expansion constraints, and inability to obtain user location information, etc.
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[0063] In order to understand the characteristics and technical contents of the embodiments of the present invention in more detail, the implementation of the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. The attached drawings are only for reference and description, and are not intended to limit the embodiments of the present invention.
[0064] The existing mechanism for obtaining user location information under 2G / 3G / 4G networks has the following defects: Since 4G networks separate data services from voice services, when users initiate or receive voice calls under 4G networks, CSFB technology will Migrating the user back to the 2G / 3G network for connection takes time to process, and the called user cannot provide 2G / 3G location information even if the called user is under the 4G network, so the SCP cannot obtain the user's 2G / 3G location information in time. Also, differentiated billing for location infor...
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