Method for implementing dynamic call service on mobile phone
The technology of a mobile phone and an implementation method, which is applied in the field of communication technology, can solve the problem of not retrieving the patent documents of a service center of a roaming place directly with one key, and achieve the effect of saving roaming communication fees.
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[0027] refer to figure 1 , figure 1 It is an optimal system structure for providing one-key direct access to a full-featured service center in a roaming area, wherein, the mobile phone 100 and the mobile switching center (MSC) 110 are connected through a signaling transmission line, and the No. 7 signaling protocol is used for communication.
[0028] The visitor location register (VLR) 130 is connected to the mobile switching center (MSC) 110 through a signaling transmission line, and uses the No. 7 signaling protocol for communication.
[0029] A logical connection of a signaling link is established between the visitor location register (VLR) 130 and the home location register (HLR) 150 through the mobile communication network 130, and the No. 7 signaling protocol is used for communication.
[0030] The service center telephone number maintenance device 140 detects signaling messages transmitted on the signaling transmission line between the home location register (HLR) 150 ...
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