CN110149677B - Method for selecting VoWiFi network access by terminal and mobile terminal - Google Patents
Method for selecting VoWiFi network access by terminal and mobile terminal Download PDFInfo
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- CN110149677B CN110149677B CN201910495996.0A CN201910495996A CN110149677B CN 110149677 B CN110149677 B CN 110149677B CN 201910495996 A CN201910495996 A CN 201910495996A CN 110149677 B CN110149677 B CN 110149677B
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/12—Setup of transport tunnels
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Abstract
The invention provides a method for selecting a terminal to access a VoWiFi network and a mobile terminal, wherein the mobile terminal has two methods for selecting the VoWiFi network, and the mobile terminal accesses the VoWiFi network through a trusted WiFi access scheme; secondly, the mobile terminal accesses the VoWiFi network through an untrusted WiFi access scheme; in a specific using process, the mobile terminal scans WiFi hotspots, after a trusted WiFi hotspot is retrieved, VoWiFi network access based on a trusted WiFi access scheme is started, if access fails, the mobile terminal can still select an untrusted WiFi access scheme for VoWiFi network access, and other untrusted WiFi hotspots can also be selected to access the VoWiFi network through the untrusted WiFi access scheme. The invention provides a mobile terminal which selects a proper scheme from two VoWiFi schemes to carry out VoWiFi network access, thereby providing convenience for users and improving user experience.
Description
Technical Field
The invention belongs to the field of communication, and particularly relates to a method for selecting a terminal to access a VoWiFi network and a mobile terminal.
Background
WiFi is a router hotspot providing networking capability, which complies with the specification of IEEE802.11, namely the WiFi hotspot commonly used in home, and a mobile phone is connected with a network-enabled phone and the like, which can only provide networking capability and cannot ensure service bandwidth, for example, when people use WeChat to make a call, chat videos, the problems of blocking, incoherence, silence and the like often occur.
VoWiFi is a technology for accessing to an IMS network through WiFi, wherein the WiFi is an access network, the IMS network is used for finally providing services, and the IMS network can provide services such as short messages, voice, video and the like. The IMS network provides session control and can ensure the service quality
The existing VoWiFi schemes with commercial potential mainly include: the method comprises the following steps of a VoWiFi (hotspot provided by an operator, SSID of a trusted hotspot is usually fixed, for example, SSID of the trusted hotspot of China mobile is usually CMCC, CMCC-WEB, CMCC-EDU and the like) scheme based on the trusted hotspot and a VoWiFi (commercial or household WiFi hotspot) scheme based on the untrusted hotspot. The two schemes have advantages and disadvantages, partial operators of the two schemes pay more attention to one point, need to build WiFi hotspots by themselves, and can be controlled, and a lot of special fees can be avoided; the latter is more convenient, and the network-enabled hotspot can access the IMS network to provide the VoWiFi service. The deployment of these two schemes is completely dependent on the business strategy considerations of the operator. There is a need that the terminal supports both schemes, and the implementation of the function does not need to increase the hardware cost of the terminal, so the need of integrating the two schemes into one terminal is urgent, and for the case of integrating the two schemes on the same terminal, how the terminal selects the access scheme to access the VoWiFi network is a problem that must be solved.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a method for selecting a terminal to access a VoWiFi network and the terminal, and aims to solve the problem that the terminal in the prior art selects a proper VoWiFi network to access in two VoWiFi schemes, so that convenience is provided for users, and the user experience is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for selecting a terminal to access a VoWiFi network comprises a mobile terminal with VoWiFi access capability, wherein the mobile terminal starts WiFi and VoWiFi functions; the mobile terminal searches a trusted WiFi hotspot and an untrusted WiFi hotspot in the searching range of the mobile terminal; the mobile terminal accesses a VoWiFi network through the trusted WiFi hotspot; or the mobile terminal accesses the VoWiFi network through the untrusted WiFi hotspot; the method is characterized in that:
the mobile terminal is connected with a trusted WiFi hotspot, is connected with a TWAG network element through the trusted WiFi hotspot and is then connected with an IMS network to perform VoWiFi service; or the mobile terminal is connected with any WiFi hotspot, the mobile terminal is connected with the EPDG through the any WiFi hotspot and then connected with the IMS network to perform VoWiFi service; or
The mobile terminal is connected with a trusted WiFi hotspot, the mobile terminal is connected with a TWAG network element through the trusted WiFi hotspot, and after a GTP tunnel is established, an IP address distributed by an EPC is acquired, and then VoWiFi service is carried out; or
The mobile terminal is connected with any WiFi hotspot, and after the IPSec tunnel is established by the mobile terminal through the ePDG network element, the IP address allocated by the EPC is acquired, and then the VoWiFi service is carried out.
Preferably, the mobile terminal searching for trusted WiFi hotspots within the mobile terminal search range further comprises,
acquiring the network and the mobile network number of an SIM card in the mobile terminal, and inquiring a trusted WiFi hotspot corresponding to the network and the mobile network number from a Table Table;
searching whether the inquired trusted WiFi hotspot exists in the searching range of the mobile terminal;
and if so, the mobile terminal preferentially accesses the VoWiFi network through the inquired trusted WiFi hotspot.
Preferably, the mobile terminal stores an SSID of a trusted WiFi hotspot deployed by an operator corresponding to a SIM card in the mobile terminal, and updates the hotspot in real time.
Preferably, the mobile terminal obtains the trusted WiFi hotspot from an operator server corresponding to the terminal SIM card, and updates the trusted WiFi hotspot in real time through official push or active query of the operator.
Preferably, the mobile terminal preferentially selects the trusted WiFi hotspot to access the VoWiFi network.
In addition, the invention also provides a mobile terminal, which comprises an inquiry unit, wherein the inquiry unit is used for inquiring the network and the mobile network number of the SIM card in the mobile terminal and inquiring the trusted WiFi hotspot corresponding to the network and the mobile network number from the Table Table;
the scanning unit is used for scanning whether the trusted WiFi hotspots and the untrusted WiFi hotspots which are inquired by the inquiry unit exist around the mobile terminal;
and the processing unit is used for establishing a connection relationship between the mobile terminal and the trusted WiFi hotspot or the untrusted WiFi hotspot and accessing the VoWiFi network.
Preferably, the processing unit further includes a hotspot determining unit, where the hotspot determining unit is configured to determine a hotspot with the highest network service quality scanned by the scanning unit, and determine, through the processing unit, that the mobile terminal is connected to a trusted WiFi hotspot or an untrusted WiFi hotspot with the highest network service quality.
Preferably, the system further comprises a storage unit, wherein the storage unit is used for the trusted WiFi hotspot and the untrusted WiFi hotspot and storing the scheme for accessing the VoWiFi network.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a method for selecting a terminal to access a VoWiFi network, which comprises the steps that a mobile terminal accesses a VoWiFi network scheme through a trusted WiFi hotspot and accesses the VoWiFi network scheme through an untrusted WiFi hotspot; in a specific using process, the mobile terminal scans WiFi hotspots, after a trusted WiFi hotspot is retrieved, VoWiFi network access based on a trusted WiFi hotspot access scheme is started, and if access fails, the mobile terminal can still use an untrusted WiFi hotspot starting scheme to perform VoWiFi network access; the scheme for accessing the non-trusted WiFi hotspot to the VoWiFi network does not depend on the type of the WiFi hotspot, and the non-trusted WiFi hotspot can be accessed as long as the WiFi hotspot is accessed, so that the scheme for accessing the trusted WiFi hotspot to the VoWiFi network is included. The invention provides a mobile terminal which selects a proper scheme from two VoWiFi schemes to carry out VoWiFi network access, thereby providing convenience for users and improving user experience.
Drawings
Fig. 1 is a flowchart illustrating a method for a terminal to select a VoWiFi network according to the present invention;
FIG. 2 is a block diagram of an SSID of a trusted hotspot deployed by an operator corresponding to an SIM card in a mobile terminal according to the present invention;
fig. 3 is a schematic structural diagram of a mobile terminal according to the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, a method for a terminal to select a VoWiFi network includes a mobile terminal with a VoWiFi access capability, and includes the following steps:
s100, the mobile terminal starts WiFi and VoWiFi functions;
s200, the mobile terminal searches a trusted WiFi hotspot and an untrusted WiFi hotspot in the searching range of the mobile terminal;
s300, the mobile terminal accesses a VoWiFi network through the trusted WiFi hotspot; or the mobile terminal accesses the VoWiFi network through the untrusted WiFi hotspot.
In particular, the method comprises the following steps of,
the mobile terminal is connected with a trusted WiFi hotspot, and is connected with a TWAG network element through the trusted WiFi hotspot and then connected with an IMS network; or
The mobile terminal is connected with any WiFi hotspot, is connected with the EPDG through the any WiFi hotspot and is then connected with the IMS network; or
The mobile terminal is connected with a trusted WiFi hotspot, the mobile terminal is connected with a TWAG network element through the trusted WiFi hotspot, and after a GTP tunnel is established, an IP address distributed by an EPC is acquired, and then VoWiFi service is carried out; or
The mobile terminal is connected with any WiFi hotspot, acquires an IP address allocated by an EPC after establishing an IPSec tunnel through an ePDG network element, and performs VoWiFi service
In other words, the mobile terminal has two methods for selecting to access the VoWiFi network, and on the other hand, the mobile terminal accesses the VoWiFi network through a trusted WiFi access scheme; secondly, the mobile terminal accesses the VoWiFi network through an untrusted WiFi access scheme; in a specific using process, the mobile terminal scans WiFi hotspots, after a trusted WiFi hotspot is retrieved, VoWiFi network access based on a trusted WiFi access scheme is started, if access fails, the mobile terminal can still select an untrusted WiFi access scheme for VoWiFi network access, and other untrusted WiFi hotspots can also be selected to access the VoWiFi network through the untrusted WiFi access scheme; the trusted WiFi hotspot scheme completely depends on that a WiFi hotspot must be trusted, and the non-trusted WiFi hotspot access VoWiFi scheme does not depend on the type of the WiFi hotspot and can be accessed as long as the WiFi hotspot is accessed, so that the trusted WiFi hotspot access VoWiFi network scheme is also included. The invention provides a mobile terminal which selects a proper scheme from two VoWiFi schemes to carry out VoWiFi network access, thereby providing convenience for users and improving user experience.
The first embodiment is as follows:
based on the above scheme, further analysis of the present invention:
a VoWiFi access scheme based on a trusted WiFi hotspot comprises a mobile terminal with VoWiFi access capability, wherein the mobile terminal starts WiFi and VoWiFi functions; the mobile terminal searches a trusted WiFi hotspot in the searching range of the mobile terminal; prompting a user that a trusted WiFi hotspot exists around the user, providing reliable service and confirming whether connection exists; after the user selects connection; the mobile terminal is connected with a TWAG network element (the network element consists of one or more machine disks or machine frames and can independently complete a certain transmission function) through the trusted WiFi hotspot and then is connected with an IMS network to perform VoWiFi services.
Example two:
based on the above scheme, further analysis of the present invention:
a VoWiFi access scheme based on a trusted WiFi hotspot comprises a mobile terminal with VoWiFi access capability, wherein the mobile terminal starts WiFi and VoWiFi functions; the mobile terminal searches a trusted WiFi hotspot in the searching range of the mobile terminal; prompting a user that a trusted WiFi hotspot exists around the user, providing reliable service and confirming whether connection exists; after the user selects connection; the mobile terminal is connected with a TWAG network element (the network element is composed of one or more machine disks or machine frames and can independently complete a certain transmission function) through the trusted WiFi hotspot, and then acquires an IP address distributed by an EPC (Evolved Packet Core (EPC), an enhanced Packet Core network (LTE) Core network) after a GTP tunnel (a GPRS tunneling protocol) is established, so as to perform VoWiFi service.
Example three:
based on the above scheme, further analysis of the present invention:
another VoWiFi access scheme based on a trusted WiFi hotspot comprises a mobile terminal with VoWiFi access capability, wherein the mobile terminal starts WiFi and VoWiFi functions; acquiring the network and mobile network number of an SIM card in the mobile terminal, and inquiring the SSID (service set identifier) of the trusted WiFi hotspot corresponding to the network and mobile network number from a Table (see figure 2); the SSID of the trusted hotspot is usually fixed, and the operator will specify the SSID of the hotspot, for example, the SSID of the trusted hotspot moving in China is usually CMCC, CMCC-WEB, CMCC-EDU, etc. The mobile terminal can configure a table to store the corresponding relation between the MCC, the MNC and the trusted hotspot SSID before leaving a factory; the mobile terminal searches a trusted WiFi hotspot in the search range of the mobile terminal, if the trusted WiFi hotspot exists, the mobile terminal prompts a user, and can provide a reliable service according to the queried trusted WiFi hotspot, confirms whether the trusted WiFi hotspot exists, if the trusted WiFi hotspot exists, the user selects connection, establishes an EPC (Evolved Packet Core, an enhanced Packet Core network, and a Core network of LTE), acquires an IMS-PDP (IP Multimedia Subsystem-Packet Data Protocol), which is a Data link for connecting a mobile phone with an IMS network to ensure service bearing and service quality, acquires a P-CSCF (Proxy Call Session Control function), performs a registration process of an SIP (Session Initiation Protocol), and finally accesses the VoWiFi network through the queried trusted WiFi hotspot.
The scheme of the invention is also suitable for the access condition of the selected WiFi hotspot, if the user selects the WiFi hotspot to access, the mobile terminal judges whether the mobile terminal is a trusted hotspot, and if the mobile terminal is the trusted hotspot, the mobile terminal uses the scheme to access; and if the access point is an untrusted hotspot, accessing the VoWiFi network through an access scheme of the untrusted hotspot.
In the scheme of the invention, whether the current trusted hotspot can be accessed to the VoWiFi network is judged according to the judgment that the normal registration authentication process is carried out to judge the support condition of the network, and if the network does not support, the current trusted hotspot is considered not to open the access service of the trusted VoWiFi network. However, the scheme of the present invention is not limited to this, such as a trusted hotspot-based VoWiF network access scheme and an untrusted hotspot-based VoWiFi network access scheme, which support different authentication algorithms, and therefore, the above procedure may also be replaced by detecting the supported authentication algorithms.
Example four:
based on the above scheme, further analysis of the present invention:
specifically, the VoWiFi access scheme based on the untrusted WiFi hotspot comprises a mobile terminal with VoWiFi access capability, wherein the mobile terminal starts WiFi and VoWiFi functions; the mobile terminal searches a trusted WiFi hotspot and an untrusted WiFi hotspot in the searching range of the mobile terminal; the mobile terminal is connected with any WiFi hotspot (a trusted WiFi hotspot or an untrusted WiFi hotspot), is connected with an ePDG (Enhanced Packet Data Gateway (Gateway) when the terminal is accessed to the IMS network through a Wifi network) through the any WiFi hotspot, and is then connected with the IMS network to perform VoWiFi services.
Example five:
based on the above scheme, further analysis of the present invention:
specifically, the VoWiFi access scheme based on the untrusted WiFi hotspot comprises a mobile terminal with VoWiFi access capability, wherein the mobile terminal starts WiFi and VoWiFi functions; the mobile terminal searches a trusted WiFi hotspot and an untrusted WiFi hotspot in the searching range of the mobile terminal; the mobile terminal is connected with any WiFi hotspot (a trusted WiFi hotspot or an untrusted WiFi hotspot), an ePDG (Enhanced Packet Data Gateway, which is a Gateway for a terminal to access an IMS network through a Wifi network) network element (which is composed of one or more machine disks or machine frames and can independently complete a certain transmission function) is connected through the any WiFi hotspot, an IPSec (Internet Protocol Security), which is a Protocol Packet, is established, and after a network transmission Protocol family of an IP Protocol is protected by encrypting and authenticating a Packet of the IP Protocol), an IP address distributed by an EPC (Evolved Packet Core, an Enhanced Packet Core network, which is a Core network of LTE) is obtained, so as to perform VoWiFi service.
Additionally, when an attempt to access the VoWiFi network through a trusted WiFi hotspot is unsuccessful; the VoWiFi network can be accessed through the untrusted WiFi hotspot.
For the improvement of the invention, the mobile terminal stores the SSID of the trusted WiFi hotspot deployed by the operator corresponding to the SIM card in the mobile terminal, and updates the hotspot in real time.
For the improvement of the invention, the mobile terminal acquires the trusted WiFi hotspot from the operator server corresponding to the terminal SIM card, and updates in real time through official push or active query of the operator.
For the improvement of the invention, the mobile terminal preferentially selects the trusted WiFi hotspot to access the VoWiFi network.
Referring to fig. 3, the present invention further provides a mobile terminal, including an inquiring unit 1, where the inquiring unit 1 is configured to inquire a network and a mobile network number of an SIM card in the mobile terminal, and inquire a trusted WiFi hotspot corresponding to the network and the mobile network number from a Table;
the scanning unit 2 is configured to scan whether there are trusted WiFi hotspots and untrusted WiFi hotspots around the mobile terminal, where the trusted WiFi hotspots and the untrusted WiFi hotspots are queried by the querying unit 1;
and the processing unit 3 is configured to establish a connection relationship between the mobile terminal and the trusted WiFi hotspot or the untrusted WiFi hotspot, and access the VoWiFi network.
Preferably, the processing unit 3 further includes a hotspot determining unit 4, where the hotspot determining unit 4 is configured to detect a hotspot with the highest network service quality scanned by the scanning unit 2, and determine, through the processing unit 3, that the mobile terminal is connected to a trusted WiFi hotspot or an untrusted WiFi hotspot with the highest network service quality.
Preferably, the system further comprises a storage unit 5, and the storage unit 5 is used for the trusted WiFi hotspot and the untrusted WiFi hotspot and storing a scheme for accessing the VoWiFi network.
In summary, the scanning unit of the mobile terminal is configured to scan whether there are trusted WiFi hotspots and untrusted WiFi hotspots around the mobile terminal, which are queried by the querying unit; detecting a hotspot with the highest network service quality scanned by the scanning unit through a hotspot determining unit, and determining that the mobile terminal is connected with a trusted WiFi hotspot or an untrusted WiFi hotspot with the highest network service quality through the processing unit; and finally, the mobile terminal accesses the VoWiFi network through the trusted WiFi hotspot or the untrusted WiFi hotspot.
The hotspot determining unit detects that the network service quality of the trusted WiFi hotspot and the network service quality of the untrusted WiFi hotspot are equal, and the processing unit preferentially selects to access the VoWiFi network through the trusted WiFi hotspot for safety consideration.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (5)
1. A method for selecting a terminal to access a VoWiFi network comprises a mobile terminal with VoWiFi access capability, wherein the mobile terminal starts WiFi and VoWiFi functions; the mobile terminal searches a trusted WiFi hotspot and an untrusted WiFi hotspot in the searching range of the mobile terminal; the mobile terminal accesses a VoWiFi network through the trusted WiFi hotspot; or the mobile terminal accesses the VoWiFi network through the untrusted WiFi hotspot; the method is characterized in that the step of searching the trusted WiFi hotspot in the mobile terminal searching range by the mobile terminal also comprises the steps of acquiring the network and mobile network number of an SIM card in the mobile terminal, and inquiring the trusted WiFi hotspot corresponding to the network and mobile network number from a Table Table; searching whether the inquired trusted WiFi hotspot exists in the searching range of the mobile terminal;
if yes, the mobile terminal preferentially accesses the VoWiFi network through the inquired trusted WiFi hotspot;
the mobile terminal stores the SSID of the trusted WiFi hotspot deployed by the operator corresponding to the SIM card in the mobile terminal and updates the hotspot in real time;
the mobile terminal is connected with a trusted WiFi hotspot, is connected with a TWAG network element through the trusted WiFi hotspot and is then connected with an IMS network to perform VoWiFi service; or
The mobile terminal is connected with any WiFi hotspot, is connected with the EPDG through the any WiFi hotspot and is then connected with the IMS network to perform VoWiFi service; or
The mobile terminal is connected with a trusted WiFi hotspot, the mobile terminal is connected with a TWAG network element through the trusted WiFi hotspot, and after a GTP tunnel is established, an IP address distributed by an EPC is acquired, and then VoWiFi service is carried out; or
The mobile terminal is connected with any WiFi hotspot, and after the IPSec tunnel is established by the mobile terminal through the ePDG network element, the IP address allocated by the EPC is acquired, and then the VoWiFi service is carried out.
2. The method of claim 1, wherein the method for the terminal to select the VoWiFi network comprises: and the mobile terminal acquires the trusted WiFi hotspot from the operator server corresponding to the SIM card of the terminal, and updates the trusted WiFi hotspot in real time through official push or active inquiry of the operator.
3. The method of claim 1, wherein the method for the terminal to select the VoWiFi network comprises: and the mobile terminal preferentially selects the trusted WiFi hotspot to access the VoWiFi network.
4. A mobile terminal, characterized by: the mobile terminal comprises an inquiry unit, a service unit and a service unit, wherein the inquiry unit is used for inquiring the network and mobile network numbers of an SIM card in the mobile terminal and inquiring a trusted WiFi hotspot corresponding to the network and mobile network numbers from a Table Table;
the scanning unit is used for scanning whether the trusted WiFi hotspots and the untrusted WiFi hotspots which are inquired by the inquiry unit exist around the mobile terminal;
the processing unit is used for establishing a connection relationship between the mobile terminal and the trusted WiFi hotspot or the untrusted WiFi hotspot and accessing a VoWiFi network, wherein the mobile terminal preferentially accesses the VoWiFi network through the inquired trusted WiFi hotspot;
and the storage unit is used for the trusted WiFi hotspot and the untrusted WiFi hotspot, storing the scheme for accessing the VoWiFi network, storing the SSID of the trusted WiFi hotspot deployed by the operator corresponding to the SIM card in the mobile terminal, and updating the hotspot in real time.
5. A mobile terminal according to claim 4, characterized in that: the processing unit further includes a hotspot determining unit, where the hotspot determining unit is configured to determine a hotspot with the highest network service quality scanned by the scanning unit, and determine, through the processing unit, that the mobile terminal is connected to a trusted WiFi hotspot or an untrusted WiFi hotspot with the highest network service quality.
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| CN110557795B (en) * | 2019-09-04 | 2022-05-17 | 广东以诺通讯有限公司 | Method, system and storage medium for dual-card terminal voice service domain selection |
| CN110784943B (en) * | 2019-10-30 | 2021-07-27 | 中国联合网络通信集团有限公司 | Processing method and device for VoWiFi voice service disconnection and reconnection |
| CN116782192A (en) * | 2021-12-08 | 2023-09-19 | 中国联合网络通信集团有限公司 | Method, device and storage medium for establishing service connection |
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| CN108377574B (en) * | 2016-10-31 | 2020-04-21 | 华为技术有限公司 | Dual-card bi-pass communication method, terminal, network and system |
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