Multi-card dual-standby recording telephone traffic machine circuit and telephone traffic machine
A telephone and circuit technology, applied in the field of telephone, can solve the problems of large size, limited storage capacity, inconvenient to carry, etc., to achieve the effect of expanding storage capacity and ensuring communication effect
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specific Embodiment 1
[0038] A kind of multi-card dual-standby recording telephone circuit of the present invention, as figure 1 As shown, it includes a main control unit, an audio codec circuit, a SIM card switching circuit, a sound card circuit, a storage circuit interface, an audio interface circuit, and a USB interface circuit. The main control unit is connected to the audio codec circuit and the SIM card switching circuit respectively, and the sound card The circuit is connected with the audio codec circuit, the audio codec circuit is used to code and decode the voice signal of the main control unit, and the SIM card switching circuit is used to switch between different SIM cards, so as to realize the communication between different SIM cards and the main control unit; the sound card The circuit is used to convert the sound signal.
[0039] The storage circuit interface is used for external storage, the audio interface circuit is used for external audio equipment, and the USB interface circuit...
specific Embodiment 2
[0064] A multi-card dual-standby recording telephone system of the present application comprises a telephone circuit board and a PC terminal, and the telephone circuit board is connected to the PC terminal through a USB connection; the PC terminal stores a telephone application program, and can Load and run the telephone application program; the telephone circuit board is provided with a telephone circuit.
[0065] After receiving the instruction to open the application program of the attendant, the PC opens the user interface of the application program of the attendant, and the user interface displays the setting label of the attendant and the social network APP. Online social APPs include WeChat APP and DingTalk APP.
[0066] After receiving the command to open the settings tab, enter the settings page. On the settings page, there are multiple items such as WLAN network settings, mobile network settings, SIM card, hotspot and network sharing, traffic usage, and advanced item...
specific Embodiment 3
[0082] A multi-card dual-standby recording telephone of the present application comprises a display screen and a telephone circuit board, the telephone circuit board is provided with a telephone circuit, and the telephone circuit is electrically connected to the display screen; the telephone The circuit board is arranged in the telephone box, and the display screen is arranged on the surface of the telephone box.
[0083] The telephone circuit includes a main control unit, an audio codec circuit, a dual-channel SIM card switching circuit, and a sound card circuit. The codec circuit is connected; each channel in the dual-channel SIM card switching circuit includes a dual-SIM card switching sub-circuit, which is used to realize the connection between multiple cards and the main control unit; the display screen is used to display the user interface, and receive operation instructions through the user interface, Realize the multi-card, multi-network social application communicatio...
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