CN109963321B - Private network access method and terminal equipment - Google Patents
Private network access method and terminal equipment Download PDFInfo
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- CN109963321B CN109963321B CN201711437660.6A CN201711437660A CN109963321B CN 109963321 B CN109963321 B CN 109963321B CN 201711437660 A CN201711437660 A CN 201711437660A CN 109963321 B CN109963321 B CN 109963321B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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Abstract
The private network access method provided by the invention is applied to terminal equipment, the terminal equipment is connected with private network access equipment through an OTG (optical transport gateway) line, the terminal equipment initiates network access attachment to a private network through the private network access equipment, after the terminal equipment receives a network access response which is successfully attached and sent by the private network access equipment, the terminal equipment sends a dialing request to a private network base station through the private network access equipment, and after the terminal equipment receives a dialing response which is sent by the private network access equipment and comprises an IP (Internet protocol) address distributed by the private network, the terminal equipment is accessed to the private network. By the method, the common terminal equipment can support both public network communication and private network data service communication.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a private network access method and a terminal device.
Background
Private network communication refers to a communication network established in some industries, departments or units to meet the needs of organization and management, safe production, dispatching and commanding, and the like, for example, private networks such as public security, transportation, aerospace and the like. The user needs to access the private network by using the special private network terminal equipment to realize information interaction.
At present, there are two schemes for accessing a private network by a user, one is that the user uses a special private network terminal device to connect a base station, accesses the private network through the base station, and dials to obtain an IP (Internet Protocol) address allocated by a network side to implement private network communication; the other is that the user uses a common terminal device (for example, an Android terminal) to connect with the private network, that is, the user connects with a private network routing device through the common terminal device or a WIFI hotspot provided by the private network terminal device to access the private network.
The first scheme adopts a special network terminal device to access a special network, the device used by a user is highly customized, and the user can not use the device in daily life; the second scheme adopts to articulate down and goes into, when the base station side issues the remote-on remote-off command, can realize the remote control to the line of going on of private network terminal equipment and rolling off the production line, nevertheless can't realize the control to ordinary terminal equipment, in addition, in case is cracked in the WIFI focus under this connected mode, has safe risk.
Disclosure of Invention
The invention provides a private network access method and terminal equipment, which realize that the terminal equipment supports both public network communication and private network data service communication.
The first aspect of the present invention provides a private network access method, wherein a terminal device is connected to a private network access device through an OTG line, and a driver for identifying the private network access device is provided in the terminal device; the method comprises the following steps:
the terminal equipment sends a network access request to the private network access equipment, wherein the network access request is used for indicating the private network access equipment to initiate network access attachment to a private network;
the terminal equipment receives a network access response sent by the private network access equipment, wherein the network access response carries information of successful attachment of the private network access equipment;
the terminal equipment sends a dialing request to the private network access equipment, wherein the dialing request is used for indicating the terminal equipment to access a private network base station through the private network access equipment;
and the terminal equipment receives a dialing response sent by the private network access equipment, wherein the dialing response is used for indicating that the terminal equipment is allowed to access a private network through the private network access equipment.
Optionally, before the terminal device sends the network access request to the private network access device, the method further includes:
the terminal equipment detects whether the private network access equipment is powered on or not; and if the power supply module is not powered on, the terminal equipment initiates a starting instruction to the power supply module of the private network access equipment.
Optionally, the terminal device includes a first virtual serial port and a first network port, and the access network device includes a second virtual serial port and a second network port;
after the private network access device is powered on, the first virtual serial port is connected with the second virtual serial port through the OTG line, and the first network port is connected with the second network port through the OTG line.
Optionally, an RIL program is provided in the source code of the terminal device;
the RIL program comprises interface configuration between the terminal equipment and the private network access equipment, and the RIL program is used for realizing signaling interaction between the terminal equipment and the private network access equipment.
Optionally, the interface configuration between the terminal device and the private network access device includes: configuring a signaling interface and a data interface;
the signaling interface is configured to configure at least one serial port in the second virtual serial port as a signaling interface of the terminal device;
the data interface is configured to configure at least one of the second network ports as a data interface of the terminal device.
Optionally, the source code of the terminal device further includes a code for configuring a connection priority;
the connection priority configuration is used for configuring the connection priority sequence of private network connection, public network connection and WIFI connection for the terminal equipment.
A second aspect of the present invention provides a terminal device, including:
a sending module, configured to send a network access request to the private network access device, where the network access request is used to instruct the private network access device to initiate network access attachment to a base station;
a receiving module, configured to receive a network access response sent by the private network access device, where the network access response carries information of successful attachment of the private network access device;
the sending module is further configured to send a dialing request to the private network access device, where the dialing request is used to instruct the terminal device to access a private network base station through the private network access device;
the receiving module is further configured to receive a dialing response sent by the private network access device, where the dialing response is used to instruct the private network base station to allow the terminal device to access a private network through the private network access device.
Optionally, the terminal device further includes:
the detection module is used for detecting whether the private network access equipment is powered on or not;
and if the private network access equipment is not powered on, the sending module is also used for initiating a starting-up instruction to the power supply equipment of the private network access equipment.
Optionally, an RIL program is provided in the source code of the terminal device; the RIL program comprises signaling interface configuration and data interface configuration between the terminal equipment and the private network access equipment;
the terminal device further includes:
and the configuration module is used for configuring the signaling interface and the data interface of the terminal equipment according to the RIL program.
Optionally, a code configured by a connection priority is set in the source code of the terminal device;
the configuration module is further configured to configure a connection priority order of the private network connection, the public network connection and the WIFI connection of the terminal device according to the code configured by the connection priority.
The private network access method provided by the embodiment of the invention is applied to terminal equipment, the terminal equipment is connected with private network access equipment through an OTG (optical transport gateway) line, the terminal equipment initiates network access attachment to a private network through the private network access equipment, after the terminal equipment receives a network access response which is successfully attached and sent by the private network access equipment, the terminal equipment sends a dialing request to a private network base station through the private network access equipment, and after the terminal equipment receives a dialing response which is sent by the private network access equipment and comprises an IP (Internet protocol) address distributed by the private network, the terminal equipment is accessed to the private network. By the method, the terminal equipment can support both public network communication and private network data service communication.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a private network access device according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a private network access method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a terminal device according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Private network communications provide a user with a customized communication experience, while public network communications provide a user with a general service. When the fire disaster, earthquake, terrorist attack and other sudden natural disasters and public events occur, the private network can freely deal with the sudden natural disasters and public events, and the public network can suffer from communication blockage and is difficult to exert the effect.
The private network communication is specially established for meeting the requirements of user organization management, safe production, dispatching command and the like, is autonomously controlled, is not limited by the outside, can be adapted to a specific working environment and ensures the working communication of users.
The existing terminal equipment for private network access is a special private network terminal which can only be used for private network communication and cannot be used by users in daily life. For a common terminal, for example, an Android terminal cannot directly communicate with a private network base station as a private network terminal, even if a private network is accessed by connecting a private network routing device or a WIFI hotspot provided by other private network terminals, a network side cannot realize control over online and offline of the common terminal, and once the WIFI hotspot is cracked, a security risk exists.
On the basis of the above problems, embodiments of the present invention provide a private network access method, where an execution main body of the method is a terminal device, and the terminal device is an improved common private network terminal device, for example, an improved Android terminal.
Fig. 1 is a schematic structural diagram of a private network access apparatus according to an embodiment of the present invention, and as shown in fig. 1, a private network access apparatus 100 includes a terminal device 10 and a private network access device 20. Wherein the content of the first and second substances,
the private network access device 20 is disposed outside the terminal device 10, and is connected to the terminal device 10 through an otg (on the go) line.
The terminal device 10 of this embodiment is provided with a driver for identifying the private network access device, and at the same time, an RIL program and a connection priority configuration program are added to the source code of the terminal device 10, so as to implement communication interaction with the private network access device.
The private network access device 20 of the present embodiment includes a built-in private network access chip and a power supply module to implement independent power supply of the device.
Specifically, the private network access device 20 may be fixed to the back of the terminal device 10 through a back clip, and when a user needs to perform private network data service communication, the terminal device 10 first detects whether the private network access device 20 is powered on, and after the power on, the private network access device 20 may access the private network; when the private network data service communication is not needed, the private network access device 20 and the back clip can be taken down, and the terminal device 10 is only used as a common terminal device, so that one machine with multiple functions is realized, and the use of a user is facilitated.
On the basis of the above-mentioned device connection, the technical solution of the present invention is explained in detail below by specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 2 is a schematic flow chart of a private network access method according to an embodiment of the present invention, and as shown in fig. 2, the private network access method specifically includes the following steps:
s201, the terminal device sends a network access request to the private network access device.
Specifically, the terminal device of this embodiment is improved on the basis of the source code of the common terminal device, and a driver for identifying the private network access device is provided in the terminal device.
When the private network access device is powered on, the terminal device obtains a first interface for communication between the private network access device and the terminal device according to the driving program, wherein the first interface comprises a first virtual serial port and a first network port.
And the terminal equipment configures a second virtual serial port corresponding to the first virtual serial port and a second network port corresponding to the first network port on the terminal equipment according to the first interface.
The first virtual serial port is connected with the second virtual serial port through an OTG line, and the first network port is connected with the second network port through an OTG line.
In this embodiment, the terminal device sends a network access request to the private network access device through the second virtual serial port.
Specifically, after the terminal device is connected to the private network access device, 6 second virtual serial ports of ttyUSB 0-ttyUSB 5 and a second network port of wwan0 are enumerated. The ttyUSB2 is used as an AT port to realize signaling interaction with the private network access equipment; after the bearer is established, the wwan0 is used as a data interface to realize data interaction with the private network access equipment.
S202, the private network access equipment initiates network access attachment to the private network according to the received network access request.
The private network access device receives the network access request sent by the terminal device through the first virtual serial port, and sends network access attachment to the private network according to the network access request. In particular, the method comprises the following steps of,
the private network access equipment receives the network access request sent by the terminal equipment after being electrified, firstly carries out physical downlink synchronization, searches and measures to carry out cell selection, and resides and carries out an attachment process after selecting a proper cell. And after the attachment is successful, the private network base station to which the cell belongs sends a network access attachment response to the private network access equipment.
S203, the private network base station sends a network access response to the private network access equipment.
S204, forwarding a network access response sent by the base station to the terminal equipment by the private network access equipment;
and the terminal equipment receives a network access response sent by the private network access equipment, wherein the network access response carries information of successful attachment of the private network access equipment.
S205, the terminal equipment sends a dialing request to the private network access equipment.
And after the terminal equipment receives the response of successful network access attachment sent by the private network access equipment, the terminal equipment sends a dialing request to the private network access equipment through the second virtual serial port.
The dialing request is used for indicating the terminal equipment to access the private network base station through the private network access equipment.
S206, the private network access equipment sends an activation bearer to the private network base station according to the dialing request.
S207, the private network base station sends a bearer activation response to the private network access equipment.
Wherein, the activation bearing response comprises a private network IP address allocated by the private network for the terminal equipment, and provides a permanent online IP transmission service for the user. The establishment of the bearer satisfies the transmission of data and signaling of the default Qos, and the IP address is invalidated with the disconnection of the bearer.
S208, the private network access equipment sends a dialing response to the terminal equipment.
And the private network access equipment sends a dialing response comprising a private network IP address allocated to the terminal equipment by the private network to the terminal equipment according to the received activation bearing response, wherein the dialing response is used for indicating that the terminal equipment is allowed to access the private network through the private network access equipment.
After the terminal equipment acquires the private network IP address, the data communication with the private network can be realized. Specifically, the terminal device sends an uplink data packet to the private network access device through the second network port, the private network access device sends the uplink data packet to the private network base station, and the private network base station forwards the uplink data packet to the private network application service device, so that uplink transmission of data is realized.
Compared with the WIFI hotspot connection mode in the prior art, by the method of the embodiment, the private network side can remotely turn on and remotely kill the terminal equipment, and the security of the terminal equipment accessing the private network is improved.
The private network access method provided by the embodiment of the invention is applied to terminal equipment, the terminal equipment is connected with private network access equipment through an OTG (optical transport gateway) line, the terminal equipment initiates network access attachment to a private network through the private network access equipment, after the terminal equipment receives a network access response which is successfully attached and sent by the private network access equipment, the terminal equipment sends a dialing request to a private network base station through the private network access equipment, and after the terminal equipment receives a dialing response which is sent by the private network access equipment and comprises an IP (Internet protocol) address distributed by the private network, the terminal equipment is accessed to the private network. By the method, the common terminal equipment can support both public network communication and private network data service communication.
On the basis of the above embodiment, before the terminal device sends the network access request to the private network access device, the method further includes the following steps:
the terminal equipment detects whether the private network access equipment is powered on or not; and if the power supply equipment is not powered on, the terminal initiates a starting instruction to the power supply equipment of the private network access equipment.
In this embodiment, an RIL program is provided in the source code of the terminal device.
The RIL program comprises interface configuration between the terminal equipment and the private network access equipment, and the RIL program is used for realizing signaling interaction between the terminal equipment and the private network access equipment.
Specifically, the interface configuration between the terminal device and the private network access device includes: configuring a signaling interface and a data interface;
the signaling interface is configured to configure at least one serial port in the second virtual serial port as a signaling interface of the terminal device; and realizing signaling interaction with the private network access equipment through a signaling interface of the terminal equipment.
The data interface is configured to configure at least one of the second network ports as a data interface of the terminal device. And realizing data interaction with the private network access equipment through a data interface of the terminal equipment.
It should be noted that the RIL program further includes default route configuration, specifically, after the private network access device acquires the private network IP address, the rlprogram configures a network card IP at the second port of the terminal device, and sets a default route to the virtual network card.
Optionally, the source code of the terminal device further includes:
code for connection priority configuration;
the connection priority configuration is used for configuring the connection priority sequence of the private network connection, the public network connection and the WIFI connection for the terminal equipment.
Specifically, the sequence of the configuration connection priority is as follows: private network connection > WIFI connection > public network connection;
after the private network access equipment is powered on, the terminal equipment performs private network connection according to the preset connection priority configuration, and default data realize data transmission through a wwan0 network port.
When the private network is disconnected, the terminal equipment searches for available WIFI to carry out data connection, and when the available WIFI is not connected, public network connection is carried out.
Through the configuration of the connection priority, the connection priority sequence of the terminal equipment is preset, and the private network access is conveniently and quickly performed after the user controls the private network access equipment to be powered on.
Fig. 3 is a schematic structural diagram of a terminal device according to an embodiment of the present invention, and as shown in fig. 3, the terminal device according to this embodiment is a terminal device, and a driver for identifying a private network access device is provided in the terminal device. The terminal device 10 includes:
a sending module 11, configured to send a network access request to the private network access device, where the network access request is used to instruct the private network access device to initiate network access attachment to a private network;
a receiving module 12, configured to receive a network access response sent by the private network access device, where the network access response carries information that the private network access device is successfully attached;
the sending module 11 is further configured to send a dialing request to the private network access device, where the dialing request is used to instruct the terminal device to access a private network base station through the private network access device;
the receiving module is further configured to receive a dialing response sent by the private network access device, where the dialing response is used to indicate that the terminal device is allowed to access a private network through the private network access device.
The terminal device provided in the embodiment of the present invention may execute the technical solution of any of the above method embodiments, and the implementation principle and the technical effect are similar, which are not described herein again.
Fig. 4 is a schematic structural diagram of a terminal device according to another embodiment of the present invention, and as shown in fig. 4, the terminal device 10 further includes:
the detection module 13 is configured to detect whether the private network access device is powered on;
if not, the sending module 11 is further configured to initiate a power-on instruction to the power supply device of the private network access device.
Optionally, an RIL program is provided in the source code of the terminal device 10 in this embodiment;
the RIL program comprises signaling interface configuration and data interface configuration between the terminal equipment and the private network access equipment;
the terminal device 10 further includes:
a configuration module 14, configured to configure a signaling interface and a data interface of the terminal device according to the RIL program.
Optionally, the source code of the terminal device 10 of this embodiment further includes:
code for connection priority configuration;
the configuration module 14 is configured to configure a connection priority order of the private network connection, the public network connection, and the WIFI connection of the terminal device according to the code configured by the connection priority.
Specifically, the sequence of the configuration connection priority is as follows: private network connection > WIFI connection > public network connection;
after the private network access equipment is powered on, the terminal equipment performs private network connection according to the preset connection priority configuration, and default data realize data transmission through a wwan0 network port.
Optionally, a code configured by the connection priority is set in the source code of the terminal device 10;
the configuration module 14 is further configured to configure a connection priority order of the private network connection, the public network connection, and the WIFI connection of the terminal device according to the code configured by the connection priority.
Specifically, when the user needs to perform private network data service communication, the terminal device 10 first detects whether the private network access device 20 is powered on, and after the power on, the private network access device 20 can access the private network.
And when the private network is disconnected, the terminal equipment searches for available WIFI for data connection according to the connection priority configuration.
And when no available WIFI connection exists, performing public network connection.
Through the configuration of the connection priority, the terminal equipment is connected with the network according to the connection priority, and after the user controls the private network access equipment to be powered on, the private network access is quickly carried out.
The terminal device provided in the embodiment of the present invention may execute the technical solution of any of the above method embodiments, and the implementation principle and the technical effect are similar, which are not described herein again.
The present invention further provides a private network access apparatus, as shown in fig. 1, the private network access apparatus 100 includes a terminal device 10 and a private network access device 20.
The private network access device provided by the embodiment of the present invention may specifically execute the technical solution provided by any of the above method embodiments, and the implementation principle and technical effect of the technical solution are similar, which are not described herein again.
The present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the private network access method according to any of the above embodiments, and the implementation principle and technical effect are similar, and are not described herein again.
Those of ordinary skill in the art will understand that: all or a portion of the steps of implementing the above-described method embodiments may be performed by hardware associated with program instructions. The program may be stored in a computer-readable storage medium. When executed, the program performs steps comprising the method embodiments described above; and the aforementioned storage medium includes: various media capable of storing program codes, such as ROM, RAM, SRAM, DRAM, FLASH, magnetic disk, or optical disk.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. A private network access method is characterized in that a terminal device is connected with a private network access device through an OTG line, a driver used for identifying the private network access device is arranged in the terminal device, a radio interface layer RIL program is arranged in a source code of the terminal device, the RIL program comprises interface configuration between the terminal device and the private network access device, and the RIL program is used for realizing signaling interaction and data interaction between the terminal device and the private network access device;
the method comprises the following steps:
the terminal equipment sends a network access request to the private network access equipment by executing the RIL program, wherein the network access request is used for indicating the private network access equipment to initiate network access attachment to a private network;
the terminal equipment receives a network access response sent by the private network access equipment, wherein the network access response carries information of successful attachment of the private network access equipment;
the terminal equipment sends a dialing request to the private network access equipment by executing the RIL program, wherein the dialing request is used for indicating the terminal equipment to access a private network base station through the private network access equipment;
and the terminal equipment receives a dialing response sent by the private network access equipment, wherein the dialing response is used for indicating that the terminal equipment is allowed to access a private network through the private network access equipment.
2. The method of claim 1, wherein before the terminal device sends the network access request to the private network access device, the method further comprises:
the terminal equipment detects whether the private network access equipment is powered on or not; and if the power supply module is not powered on, the terminal equipment initiates a starting instruction to the power supply module of the private network access equipment.
3. The method of claim 2, wherein the private network access device comprises a first virtual serial port and a first network port, and the terminal device comprises a second virtual serial port and a second network port;
after the private network access device is powered on, the first virtual serial port is connected with the second virtual serial port through the OTG line, and the first network port is connected with the second network port through the OTG line.
4. The method of claim 1, wherein the interface configuration between the terminal device and the private network access device comprises: configuring a signaling interface and a data interface;
the signaling interface is configured to configure at least one serial port in the second virtual serial port of the terminal device as a signaling interface of the terminal device;
the data interface is configured to configure at least one port of the second port of the terminal device as a data interface of the terminal device.
5. The method according to any of claims 1-4, characterized in that the source code of the terminal device further comprises a code of a connection priority configuration;
the connection priority configuration is used for configuring the connection priority sequence of private network connection, public network connection and WIFI connection for the terminal equipment.
6. A terminal device is characterized in that the terminal device is connected with a private network access device through an OTG line, a driver for identifying the private network access device is arranged in the terminal device, a radio interface layer RIL program is arranged in a source code of the terminal device, the RIL program comprises interface configuration between the terminal device and the private network access device, and the RIL program is used for realizing signaling interaction and data interaction between the terminal device and the private network access device;
the terminal device includes:
a sending module, configured to send a network access request to a private network access device by executing the RIL program, where the network access request is used to instruct the private network access device to initiate a network access attachment to a base station;
a receiving module, configured to receive a network access response sent by the private network access device, where the network access response carries information of successful attachment of the private network access device;
the sending module is further configured to send a dialing request to the private network access device by executing the RIL program, where the dialing request is used to instruct the terminal device to access a private network base station through the private network access device;
the receiving module is further configured to receive a dialing response sent by the private network access device, where the dialing response is used to instruct the private network base station to allow the terminal device to access a private network through the private network access device.
7. The terminal device according to claim 6, wherein the terminal device further comprises:
the detection module is used for detecting whether the private network access equipment is powered on or not;
and if the private network access equipment is not powered on, the sending module is also used for initiating a starting-up instruction to the power supply equipment of the private network access equipment.
8. The terminal device of claim 7, wherein the RIL procedure comprises a signaling interface configuration and a data interface configuration between the terminal device and the private network access device;
the terminal device further includes:
and the configuration module is used for configuring the signaling interface and the data interface of the terminal equipment according to the RIL program.
9. The terminal device according to claim 7, wherein a code for configuring connection priority is set in a source code of the terminal device;
the configuration module is further configured to configure a connection priority order of the private network connection, the public network connection and the WIFI connection of the terminal device according to the code configured by the connection priority.
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