WO2022083147A1 - 紧急呼叫方法、终端及存储介质 - Google Patents

紧急呼叫方法、终端及存储介质 Download PDF

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Publication number
WO2022083147A1
WO2022083147A1 PCT/CN2021/100800 CN2021100800W WO2022083147A1 WO 2022083147 A1 WO2022083147 A1 WO 2022083147A1 CN 2021100800 W CN2021100800 W CN 2021100800W WO 2022083147 A1 WO2022083147 A1 WO 2022083147A1
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WIPO (PCT)
Prior art keywords
network
usim card
emergency call
emergency
call request
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PCT/CN2021/100800
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English (en)
French (fr)
Inventor
王孟强
高明刚
赵磊
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中兴通讯股份有限公司
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2022083147A1 publication Critical patent/WO2022083147A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]

Definitions

  • the embodiments of the present application relate to, but are not limited to, the field of communications, and in particular, relate to an emergency calling method, a terminal, and a storage medium.
  • the emergency call flow of the terminal is that the user dials the emergency call through the USIM card (Universal Subscriber Identity Module) in the terminal. If the emergency call fails due to the network connected to the USIM card, the terminal will directly dial the emergency call. To end this emergency call, the user needs to manually initiate a new emergency call.
  • the existing emergency call flow even if the user re-initiates a new emergency call request, it cannot be guaranteed that the emergency call connection is successful, resulting in poor user experience.
  • an embodiment of the present application provides an emergency call method, which is applied to a terminal, where a first USIM card is installed, and the method includes: when an emergency call is initiated through the first USIM card to connect to a first call network If the call request fails, obtain failure information; determine the failure cause according to the failure information; initiate an emergency call request through the second call network according to the failure cause.
  • an embodiment of the present application further provides a terminal, including a memory, a processor, and a computer program stored on the memory and executable on the processor, where the computer program is executed by the processor When the above-mentioned emergency call method is implemented.
  • embodiments of the present application further provide a computer-readable storage medium, where an information processing program is stored on the computer-readable storage medium, and the information processing program implements the aforementioned emergency call method when executed by a processor.
  • FIG. 1 is a schematic diagram of a system architecture for executing an emergency call method provided by an embodiment of the present application
  • FIG. 3 is a flowchart of initiating an emergency call request through a second call network according to a failure cause in an emergency call method provided by another embodiment of the present application;
  • FIG. 4 is a flowchart of initiating an emergency call request through a second call network according to a failure cause in an emergency call method provided by another embodiment of the present application;
  • Fig. 5 is a flow chart of initiating an emergency call request through the second calling network according to the failure reason in the emergency calling method provided by another embodiment of the present application;
  • FIG. 6 is a flowchart of an emergency calling method provided by another embodiment of the present application.
  • FIG. 7 is a flowchart of an emergency calling method provided by another embodiment of the present application.
  • the terminal 110 can register to the first access network 121 and the third access network 123 through the first USIM card 111, and can connect to the first core network 131 through the first access network 121 or the third access network 123, so as to Initiate an emergency call to the first core network 131; the terminal 110 can also register to the first access network 121 and the second access network 122 through the second USIM card 112, and can access the first access network 121 or the second access network 122
  • the network 122 is connected to the second core network 132 to initiate emergency calls to the second core network 132 .
  • the first USIM card 111 and the second USIM card 112 may be used to support the terminal 110 to connect to the same operator or different operators; the first core network 131 and the second core network 132 may be core networks of different operators respectively .
  • the first access network 121 may include a shared base station, and the shared base station may support services of different operators and be connected to core networks belonging to different operators, which is not uniquely limited in this embodiment.
  • the terminal 110 can be used to initiate an emergency call request, can also be used to store the emergency call capability of the core network emergency call of the USIM card, and can also be used to analyze the failure information of the emergency call request and analyze the failure cause according to the failure information. , which is not specifically limited in this embodiment.
  • the terminal 110 may initiate an emergency call request to connect to the first call network (including the first access network 121 and the first core network 131) through the first USIM card 111.
  • the emergency call request fails, it can obtain the failure information, and the failure cause can be determined according to the failure information, then the second call network (including the second access network 122 and the first core network 131, or the first access network 121 and the second core network, or the first access network 121 and the second core network can be passed according to the failure cause.
  • 132 or including the second access network 122 and the second core network 132) to initiate an emergency call request. Since the re-initialized emergency call request does not pass through the first call network with network abnormality, the connection success probability of the emergency call can be improved.
  • FIG. 2 is a flowchart of an emergency call method provided by an embodiment of the present application.
  • the emergency call method is applied to a terminal.
  • the emergency call method includes but is not limited to steps S210, step S220 and step S230.
  • Step S210 when the emergency call request for connecting to the first call network initiated through the first USIM card fails, obtain failure information.
  • the failure information of the emergency call request may be acquired.
  • the failure information may include a failure identifier and a failure reason for returning the failure result.
  • the first call network may include the first access network and the first core network, and may also include other networks, and the first call network is not uniquely limited in this embodiment.
  • Step S220 Determine the failure cause according to the failure information.
  • the acquired failure information may be analyzed to determine the failure cause of the emergency call request.
  • the failure cause may be that the first access network of the first calling network is abnormal, or the first core network of the first calling network is abnormal, which is not specifically limited in this embodiment.
  • Step S230 initiate an emergency call request through the second call network according to the failure reason.
  • the terminal can switch the emergency call network from the first call network to the second call network according to the determined failure cause, and can initiate an emergency call request through the second call network, due to the re-initialized emergency call request. It does not pass through the first call network where there is a network abnormality, so the connection success probability of the emergency call can be improved.
  • the second call network may be set according to the failure cause, may include the first access network and the second core network, may include the second access network and the second core network, may include the third access network and the first core network, which is not specifically limited in this embodiment.
  • the failure information of the emergency call request can be obtained, and the failure information can be determined according to the failure information.
  • the reason for the failure of the emergency call request and then continue to initiate the emergency call request through the new call network (that is, the second call network) according to the failure cause. Connection success probability for emergency calls.
  • step S230 includes but is not limited to the following steps:
  • Step S310 when the failure cause indicates that the first access network is abnormal, the first USIM card is registered to the second access network according to the failure cause, and an emergency call request is initiated to the second access network through the first USIM card.
  • the terminal can switch the emergency call network from the first access network according to the determined failure cause without switching the first USIM card. Switch to the second access network, and can initiate an emergency call request to the second access network through the first USIM card. Since the re-initiated emergency call request does not pass through the first access network with network abnormality, the emergency call can be improved. the connection success probability.
  • the network standard of the first access network and the network standard of the second access network may be different or the same, which is not specifically limited in this embodiment.
  • the network standards of the first access network and the second access network may be the fifth-generation mobile communication network standard, the fourth-generation mobile communication network standard, or the third-generation mobile communication network standard. This embodiment does not specifically limit it.
  • the network standard of the first access network of the first call network is the fifth-generation mobile communication network standard
  • the network standard of the second access network is the third-generation mobile communication network standard
  • the terminal passes the first
  • the failure information of the emergency call request can be obtained, and then the terminal can analyze the obtained failure information, such as determining that the failure cause of the emergency call request is the first access
  • the terminal can transfer the emergency call network from the fifth-generation mobile communication network standard of the first call network through CSFB (Circuit Switched Domain Fall Back, circuit domain) according to the determined failure cause of the abnormal first access network. fall back) switch to the third-generation mobile communication network standard of the second access network, and can initiate an emergency call request to the second call network through the first USIM card, thereby improving the connection success probability of the emergency call.
  • CSFB Circuit Switched Domain Fall Back, circuit domain
  • step S230 includes but is not limited to the following steps:
  • Step S410 when the failure cause indicates that the first core network is abnormal, use the second USIM card to initiate an emergency call request to the second core network through the first access network according to the failure cause.
  • the failure cause indicates that the first core network is abnormal
  • first USIM card and the second USIM card may be connected to the core network of the corresponding operator through the same access network; the first core network and the second core network may be core networks of different operators respectively.
  • step S230 includes but is not limited to the following steps:
  • Step S510 when the failure cause indicates that the first core network is abnormal, the second USIM card is registered to the second access network according to the failure cause, and the second USIM card is used to initiate an emergency to the second core network through the second access network. call request.
  • the failure cause indicates that the first core network connected to the first USIM card is abnormal
  • the second USIM card can be made to be abnormal according to the failure cause. Register to the second access network, and then use the second USIM card to initiate an emergency call request to the second core network through the second access network. Improves the connection success probability of emergency calls.
  • first USIM card and the second USIM card can be connected to the core network of the corresponding operator through the same access network, and simultaneously connected to the core network of the corresponding operator through different access networks. can also be connected to the core network of the corresponding operator through different access networks, which are not specifically limited in this embodiment.
  • first core network and the second core network may be core networks of different operators respectively, which are not uniquely limited in this embodiment.
  • the emergency call method includes but is not limited to the following steps:
  • Step S610 obtain dial information for initiating the call request, and display a dial button when it is determined according to the dial information that the call request is an emergency call request;
  • Step S620 when the trigger information indicating that the dial button is triggered is obtained, an emergency call request for connecting to the first calling network is initiated through the first USIM card;
  • Step S630 when the emergency call request to connect to the first call network initiated by the first USIM card fails, obtain failure information
  • Step S640 determining the failure cause according to the failure information
  • Step S650 initiate an emergency call request through the second call network according to the failure reason.
  • the terminal acquires dial information for initiating a call request, and when it is determined that the call request corresponding to the dial information is an emergency call request, a dial button may be displayed on the screen of the terminal, and the terminal may obtain a dial button indicating a dial button.
  • a dial button may be displayed on the screen of the terminal, and the terminal may obtain a dial button indicating a dial button.
  • an emergency call request to connect to the first call network is initiated through the first USIM card. If the emergency call request to connect to the first call network initiated through the first USIM card fails, the failure information can be obtained by The information determines the failure cause, and then initiates an emergency call request through the second call network according to the failure cause. Since the re-initiated emergency call request does not pass through the first call network with network abnormality, the connection success probability of the emergency call can be improved.
  • the terminal may include a first USIM card and a second USIM card, and when the dial information determines that the call request is a non-emergency call request, then the terminal may control the display module to combine two dial buttons corresponding to different USIM cards. It becomes a dial button, that is, a dial button is displayed, that is, when the user needs to initiate an emergency call, he only needs to send an emergency call request through a dial button, and the USIM card selected for subsequent emergency calls and the calling network corresponding to the USIM card are automatically controlled by the terminal.
  • the terminal can obtain the failure information and determine the failure cause according to the failure information, and then initiate an emergency call request through the second call network according to the failure cause.
  • the first call network so the connection success probability of the emergency call can be improved.
  • first USIM card and the second USIM card may be used to support the terminal to connect to different operators, which is not uniquely limited in this embodiment.
  • the terminal obtains dial information for initiating a call request, and when it is determined that the call request corresponding to the dial information is Emergency call request, then the terminal can control the display module to combine the two dial buttons corresponding to different USIM cards into one dial button, that is, to display one dial button, that is, when the user needs to make an emergency call, he only needs to make an emergency call through one dial button.
  • Request, the USIM card selected for the subsequent emergency call and the calling network corresponding to the USIM card are automatically controlled by the terminal.
  • the trigger information indicating that the dial button is triggered is obtained, the core network to which the first USIM card belongs can be obtained respectively.
  • the calling network with strong calling capability is automatically selected, so as to avoid the user choosing a core network with poor support capability, resulting in the delay of emergency calls.
  • the terminal can also obtain the failure information and determine the failure cause according to the failure information, and then initiate an emergency call request through the second call network according to the failure cause without manual redialing, because the re-initiated emergency call request fails to pass
  • There is a first call network with an abnormal network so the connection success probability of the emergency call can be improved.
  • the terminal obtains dial information for initiating a call request, and when it is determined that the call request corresponding to the dial information is Emergency call request, then the terminal can control the display module to combine the two dial buttons corresponding to different USIM cards into one dial button, that is, to display one dial button, that is, when the user needs to make an emergency call, he only needs to make an emergency call through one dial button.
  • Request, the USIM card selected for the subsequent emergency call and the calling network corresponding to the USIM card are automatically controlled by the terminal.
  • the trigger information indicating that the dial button is triggered is obtained, the core network to which the first USIM card belongs can be obtained respectively.
  • the first emergency call capability of the first USIM card is greater than the second emergency call capability of the second USIM card, it can be determined that the When the first calling network of the first USIM card makes an emergency call, the first calling network with stronger capability can be automatically selected by comparing the calling capabilities of the emergency phone during dual-card registration, so as to prevent the user from selecting a core network with poor support capability. Problems causing delays in emergency calls.
  • the terminal can also obtain the failure information and determine the failure cause according to the failure information. If it is determined that the failure of the emergency call request is because the first access network is abnormal, the first USIM card can be obtained from the failure cause.
  • the core network corresponding to the corresponding operator is normal, then the terminal can switch the calling network currently initiating the emergency call from the first access network to the second access network according to the determined failure cause, and can pass the first access network.
  • the USIM card initiates an emergency call request to the second access network. Since the re-initiated emergency call request does not pass through the first access network with network abnormality, the connection success probability of the emergency call can be improved.
  • the first emergency call capability may be a voice capability or other capabilities, which are not specifically limited in this embodiment.
  • the voice capability can be divided into four levels.
  • the first level can be without emergency service support, and the second level can be connected to 5GCN (5th Generation Core Network, 5G core) only through NR (New Radio, new air interface). Network) to provide emergency services
  • the third level can be connected to 5GCN only through E-UTRA (Evolved Universal Mobile Telecommunication System Territorial Radio Access, Evolved Universal Mobile Telecommunications System Terrestrial Radio Access) to provide emergency services
  • the fourth level can be both Connect to 5GCN through NR to provide emergency services, or connect to 5GCN through E-UTRA to provide emergency services; the highest level can be set, and the stronger the voice capability.
  • the support of the core network to which the first USIM card belongs can be obtained respectively.
  • the first call network with stronger capability can be automatically selected by comparing the calling capability of the emergency phone during dual-card registration, so as to avoid the user choosing a core network with poor support capability, which may lead to the delay of emergency calls. .
  • the terminal includes a first USIM card and a second USIM card.
  • the emergency calling method includes but is not limited to the following steps:
  • Step S710 judge whether the first USIM card and the second USIM card of the terminal are registered in the shared base station through the flag bit in the SIB (Service Independent Building Block, Service Independent Building Block) message; if so, go to step S720, if not, go to step S790 ;
  • SIB Service Independent Building Block, Service Independent Building Block
  • Step S720 acquiring and storing the voice capabilities of the first USIM card and the second USIM card for emergency calls in the core network;
  • Step S730 when the acquired call request is an emergency call request, it is judged that the voice capability of the first USIM card is greater than the voice capability of the second USIM card, and the terminal passes through the first call network of the first USIM card (including the first access network and the second USIM card). a core network) to establish an emergency call;
  • Step S740 determine whether the terminal successfully establishes an emergency call through the first call network of the first USIM card, if yes, go to step S790, if not, go to step S750;
  • Step S750 determine whether the reason for the emergency call failure is the access network on the base station side or the core network; if it is the core network, go to step S760, if it is the access network, go to step S780;
  • Step S760 the terminal establishes an emergency call through the second call network (including the first access network and the second core network) of the second USIM card;
  • Step S770 determine whether the terminal successfully establishes an emergency call through the second call network of the second USIM card, if yes, go to step S790, if not, go to step S780;
  • Step S780 the terminal changes the network standard of the current calling network through the CSFB on the current USIM card, and obtains the third calling network (for example, the current calling network includes the second access network and the second core network, or the third access network and the third calling network). a core network), establishing an emergency call through a third call network;
  • Step S790 completing the call through the current calling network.
  • both the first USIM card and the second USIM card of the terminal are registered in the shared base station, and the terminal can acquire and store the voice capabilities of the first USIM card and the second USIM card for emergency calls in the corresponding core network respectively.
  • the terminal can determine the size of the voice capability of the first USIM card and the voice capability of the second USIM card. If the voice capability of the first USIM card is greater than the voice capability of the second USIM card, then the terminal The emergency call can be established through the first calling network of the first USIM card. If the establishment is successful, the call is completed through the current calling network. If the establishment fails, the cause of the failure needs to be analyzed.
  • the terminal replaces the network system of the current calling network through CSFB on the current USIM card, obtains the third calling network, and establishes an emergency call through the third calling network; if the cause of the failure is the core network, the terminal can connect the USIM card connected to the calling network Switch to the second USIM card and establish an emergency call through the second call network of the second USIM card. Since the re-initialized emergency call request does not pass through the first call network with network abnormality, the connection success probability of the emergency call can be improved.
  • FIG. 8 is an emergency call device of a terminal.
  • the emergency call device includes: an acquisition module for acquiring failure information when an emergency call request to connect to the first call network initiated by the first USIM card fails; a determination module , which is used to determine the failure cause according to the failure information; the calling module is used to switch to the second call network according to the failure cause, and initiate an emergency call request through the second call network.
  • the acquiring module may acquire the failure information of the emergency call request, and the determining module may determine the failure reason of the emergency call request according to the failure information, and then call the The module can switch to the second call network according to the failure reason, and initiate an emergency call request through the second call network. Since the re-initiated emergency call request does not pass through the first call network with network abnormalities, it can improve the connection success probability of the emergency call .
  • the first call network includes a first access network
  • the second call network includes a second access network
  • the calling module is further configured to, when the failure cause indicates that the first access network is abnormal, make the call according to the failure cause.
  • the first USIM card is registered with the second access network, and an emergency call request is initiated to the second access network through the first USIM card.
  • the acquisition module may acquire the failure information of the emergency call request, and then the determination module may analyze the acquired failure information, such as determining the emergency call request.
  • the reason for the failure of the call request is that the first access network is abnormal, then the calling module can switch the emergency call network from the first call network to the second call network according to the determined failure cause of the abnormal first access network, and An emergency call request can be initiated to the second call network through the first USIM card. Since the re-initialized emergency call request does not pass through the first call network with network abnormality, the connection success probability of the emergency call can be improved.
  • the terminal is further installed with a second USIM card, the first USIM card and the second USIM card are both registered to the first access network, the first call network further includes the first core network, and the second call network includes the first access network.
  • the calling module is further configured to initiate an emergency call request to the second core network through the first access network using the second USIM card according to the failure cause when the failure cause indicates that the first core network is abnormal.
  • the acquisition module can acquire the failure information of the emergency call request failure through the Modem, and the determination module can analyze the acquired failure information, for example, the determination module determines the emergency call
  • the reason for the failure of the request is that the first core network is abnormal, it can be considered that the operator network corresponding to the first USIM card is abnormal, then the calling module can directly switch the first USIM card to the second USIM without switching the first access network. card, and then the call module can initiate an emergency call request from the first access network to the second core network through the second USIM card. Since the re-initiated emergency call request does not pass through the first call network with network abnormality, the emergency call can be improved. the connection success probability.
  • the terminal is further installed with a second USIM card
  • the first USIM card and the second USIM card are both registered to the first access network
  • the first call network further includes the first core network
  • the second call network includes the first access network.
  • the second core network and the second access network, the calling module is further configured to register the second USIM card to the second access network according to the failure cause when the failure cause indicates that the first core network is abnormal, and use the second USIM card to pass the
  • the second access network initiates an emergency call request to the second core network.
  • the acquisition module can acquire the failure information of the emergency call request failure through the Modem
  • the determination module can analyze the acquired failure information and determine the emergency call failure.
  • the reason if the determination module determines that the failure reason is that the first core network connected to the first USIM card is abnormal, that is, it can be determined that the operator network corresponding to the first USIM card is abnormal, then the calling module can make the second USIM according to the failure cause.
  • the card is registered to the second access network, and then an emergency call request is initiated to the second core network through the second USIM card through the second access network. It can improve the connection success probability of emergency calls.
  • the terminal includes a first USIM card and a second USIM card
  • the obtaining module may also be used to obtain the first emergency call capability supported by the core network to which the first USIM card belongs and the second USIM card to which the second USIM card belongs.
  • the second emergency call capability supported by the core network; the calling module may also be used to initiate an emergency call request according to the first emergency call capability and the second emergency call capability.
  • the acquiring module can separately acquire the first emergency call supported by the core network to which the first USIM card belongs.
  • the calling capability and the second emergency calling capability supported by the core network to which the second USIM card belongs For the calling capability of the emergency phone when dual-card registration is performed, the network is automatically selected to avoid the user choosing a core network with poor support capability, resulting in the delay of emergency calls.
  • the emergency call device further includes a display module, the display module can be used to obtain dial information for initiating a call request, determine that the call request is an emergency call request according to the dial information, and display a dial button.
  • the display module can control the display module of the terminal to display a dialing button.
  • the triggering information indicating that the dialing button is triggered is acquired, An emergency call request for connecting to the first calling network is initiated through the first USIM card. That is, the user only needs to send an emergency call request through a dial button, and the selected call network for subsequent emergency calls is automatically completed by the terminal. Connection success probability.
  • the terminal 900 includes a memory 920 , a processor 910 , and a computer program stored in the memory 920 and running on the processor 910 .
  • the processor and memory may be connected by a bus or otherwise.
  • the memory can be used to store non-transitory software programs and non-transitory computer-executable programs.
  • the memory may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device.
  • the memory may include memory located remotely from the processor, which may be connected to the processor through a network. Examples of such networks include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
  • the non-transitory software programs and instructions required to implement the information processing method of the above embodiment are stored in the memory, and when executed by the processor, the information processing method in the above embodiment is executed, for example, the above-described FIG. 2 is executed.
  • an embodiment of the present application also provides a computer-readable storage medium, where the computer-readable storage medium stores computer-executable instructions, and the computer-executable instructions are executed by a processor or controller, for example, by the above-mentioned Executed by a processor in the laser in the embodiment, the processor can perform the network selection in the above-mentioned embodiment, for example, execute the above-described method steps S210 to S230 in FIG. 2 , method steps S310 in FIG. 3 , and FIG. 4
  • the method step S410 in FIG. 5 the method step 510 in FIG. 5 , the method steps S610 to S650 in FIG. 6 , and the method steps S710 to S790 in FIG. 7 .
  • the embodiment of the present application includes: when the emergency call request to connect to the first calling network initiated by the first USIM card fails, obtaining failure information; determining the failure cause according to the failure information; switching to the second calling network according to the failure cause, and passing the second calling network
  • the calling network initiates an emergency call request.
  • the failure information of the emergency call request can be obtained, and the failure cause can be determined according to the failure information.
  • the specific failure cause of the emergency call request connected to the first call network initiated by the first USIM card so the emergency call request can be initiated through the second call network according to the failure cause, because the re-initiated emergency call request does not pass through the first call request with network abnormality.
  • the emergency call request is initiated through the new call network, so the connection success probability of the emergency call can be improved.
  • Computer storage media include, but are not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cartridges, magnetic tape, magnetic disk storage or other magnetic storage devices, or may Any other medium used to store desired information and which can be accessed by a computer.
  • communication media typically embodies computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave or other transport mechanism, and can include any information delivery media, as is well known to those of ordinary skill in the art .

Abstract

一种紧急呼叫方法、终端及存储介质，其中，紧急呼叫方法应用于终端，终端安装有第一USIM卡，该紧急呼叫方法包括：当通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败，获取失败信息(210)；根据失败信息确定失败原因(220)；根据失败原因通过第二呼叫网络发起紧急呼叫请求(230)。

Description

紧急呼叫方法、终端及存储介质
相关申请的交叉引用
本申请基于申请号为202011128177.1、申请日为2020年10月20日的中国专利申请提出，并要求该中国专利申请的优先权，该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本申请实施例涉及但不限于通信领域，尤其涉及一种紧急呼叫方法、终端及存储介质。
背景技术
目前，终端的紧急呼叫流程为，用户通过终端中的USIM卡(Universal Subscriber Identity Module，全球用户识别卡)进行紧急呼叫拨号，如果由于USIM卡连接的网络原因导致紧急呼叫失败时，那么终端会直接结束本次紧急呼叫，需要用户通过手动发起新的紧急呼叫。然而，按照现有的紧急呼叫流程，即使用户重新发起新的紧急呼叫请求，也无法保证紧急呼叫连接成功，从而导致用户体验不好。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本申请实施例提出一种紧急呼叫方法、终端及存储介质。
第一方面，本申请实施例提供了一种紧急呼叫方法，应用于终端，所述终端安装有第一USIM卡，所述方法包括：当通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败，获取失败信息；根据所述失败信息确定失败原因；根据所述失败原因通过第二呼叫网络发起紧急呼叫请求。
第二方面，本申请实施例还提供了一种终端，包括存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述计算机程序被所述处理器执行时实现前述的紧急呼叫方法。
第三方面，本申请实施例还提供了一种计算机可读存储介质，所述计算机可读存储介质上存储有信息处理程序，所述信息处理程序被处理器执行时实现前述的紧急呼叫方法。
附图说明
图1是本申请一个实施例提供的用于执行紧急呼叫方法的系统架构的示意图；
图2是本申请一个实施例提供的紧急呼叫方法的流程图；
图3是本申请另一个实施例提供的紧急呼叫方法中根据失败原因通过第二呼叫网络发起紧急呼叫请求的流程图；
图4是本申请另一个实施例提供的紧急呼叫方法中根据失败原因通过第二呼叫网络发起紧急呼叫请求的流程图；
图5是本申请另一个实施例提供的紧急呼叫方法中根据失败原因通过第二呼叫网络发 起紧急呼叫请求的流程图；
图6是本申请另一个实施例提供的紧急呼叫方法的流程图；
图7是本申请另一个实施例提供的紧急呼叫方法的流程图；
图8是本申请一个实施例提供的紧急呼叫装置的示意图；
图9是本申请一个实施例提供的终端的示意图。
具体实施方式
为了使本申请的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本申请进行进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本申请，并不用于限定本申请。
需要说明的是，虽然在装置示意图中进行了功能模块划分，在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于装置中的模块划分，或流程图中的顺序执行所示出或描述的步骤。
本申请提供了一种紧急呼叫方法、终端及存储介质，其中紧急呼叫方法包括：在通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败的情况下，可以获取晋级呼叫请求的失败信息，并根据失败信息确定失败原因，然后根据失败原因通过新的呼叫网络(即第二呼叫网络)继续发起紧急呼叫请求，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一呼叫网络，因此可以提高紧急呼叫的连接成功概率。
下面结合附图，对本申请实施例作进一步阐述。
如图1所示，图1是本申请一个实施例提供的用于执行紧急呼叫方法的系统架构的示意图。在图1的示例中，该系统架构包括终端110和呼叫网络，呼叫网络包括接入网络和核心网络，终端110包括第一USIM卡111和第二USIM卡112，接入网包括第一接入网络121、第二接入网络122和第三接入网络123，核心网络包括第一核心网络131和第二核心网络132，第一接入网络121分别与第一核心网络131和第二核心网络132连接，第二接入网络122与第一核心网络131连接，第三接入网络123与第二核心网络132连接。终端110可以通过第一USIM卡111注册到第一接入网络121和第三接入网络123，并能够通过第一接入网络121或者第三接入网络123连接到第一核心网络131，以向第一核心网络131发起紧急呼叫；终端110还可以通过第二USIM卡112注册到第一接入网络121和第二接入网络122，并能够通过第一接入网络121或者第二接入网络122连接到第二核心网络132，以向第二核心网络132发起紧急呼叫。
其中，第一USIM卡111和第二USIM卡112可以用于支持终端110连接到同一运营商或者不同的运营商；第一核心网络131和第二核心网络132可以分别为不同运营商的核心网络。
需要说明的是，第一接入网络121可以包括共享基站，共享基站可以支持不同运营商的服务，与归属于不同运营商的核心网络连接，本实施例对其不作唯一限定。
需要说明的是，终端110可以用于发起紧急呼叫请求，也可以用于存储USIM卡的核心网紧急呼叫的紧急呼叫能力，还可以用于分析紧急呼叫请求的失败信息并根据失败信息分析失败原因，本实施例对其不作具体限定。
在一实施例中，终端110可以通过第一USIM卡111发起连接第一呼叫网络(包括第 一接入网络121和第一核心网络131)的紧急呼叫请求，当此紧急呼叫请求失败，可以获取失败信息，并根据失败信息可以确定失败原因，那么可以根据失败原因通过第二呼叫网络(包括第二接入网络122和第一核心网络131，或者包括第一接入网络121和第二核心网络132，或者包括第二接入网络122和第二核心网络132)发起紧急呼叫请求，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一呼叫网络，因此可以提高紧急呼叫的连接成功概率。
本申请实施例描述的系统架构以及应用场景是为了更加清楚的说明本申请实施例的技术方案，并不构成对于本申请实施例提供的技术方案的限定，本领域技术人员可知，随着系统架构的演变和新应用场景的出现，本申请实施例提供的技术方案对于类似的技术问题，同样适用。
基于上述系统架构的结构，提出本申请的信息处理方法的各个实施例。
在一个实施例中，参照图2，图2为本申请实施例提供的紧急呼叫方法的流程图，该紧急呼叫方法应用于终端，在一实施例中，该紧急呼叫方法包括但不限于有步骤S210、步骤S220和步骤S230。
步骤S210，当通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败，获取失败信息。
在一实施例中，当终端通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败时，可以获取紧急呼叫请求的失败信息。
需要说明的是，该失败信息可以包括用于返回失败结果的失败标识和失败原因。
需要说明的是，第一呼叫网络可以包括第一接入网络和第一核心网络，也可以包括其他网络，本实施例对第一呼叫网络不作唯一限定。
步骤S220，根据失败信息确定失败原因。
在一实施例中，可以对所获取的失败信息进行分析，从而确定紧急呼叫请求的失败原因。
需要说明的是，失败原因可以是第一呼叫网络的第一接入网络出现异常，也可以是第一呼叫网络的第一核心网络出现异常，本实施例对其不作具体限定。
步骤S230，根据失败原因通过第二呼叫网络发起紧急呼叫请求。
在一实施例中，终端可以根据已确定的失败原因将紧急呼叫的网络从第一呼叫网络切换至第二呼叫网络，并可以通过第二呼叫网络发起紧急呼叫请求，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一呼叫网络，因此可以提高紧急呼叫的连接成功概率。
需要说明的是，第二呼叫网络可以根据失败原因进行设定，可以包括第一接入网络和第二核心网络，可以包括第二接入网络和第二核心网络，可以包括第三接入网络和第一核心网络，本实施例对其不作具体限定。
在一实施例中，通过采用上述步骤S210至步骤S230，当终端通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败时，可以获取紧急呼叫请求的失败信息，可以根据失败信息确定紧急呼叫请求的失败原因，然后根据失败原因通过新的呼叫网络(即第二呼叫网络)继续发起紧急呼叫请求，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一呼叫网络，因此可以提高紧急呼叫的连接成功概率。
参照图3，第一呼叫网络包括第一接入网络，第二呼叫网络包括第二接入网络，在一 实施例中，步骤S230包括但不限于如下步骤：
步骤S310，当失败原因指示为第一接入网络出现异常，根据失败原因使第一USIM卡注册至第二接入网络，并通过第一USIM卡向第二接入网络发起紧急呼叫请求。
在一实施例中，如确定紧急呼叫请求的失败原因为第一接入网络出现异常，则可以说明第一USIM卡连接的第一呼叫网络失败出现的问题在于第一接入网络异常，而不在核心网络。由于第一USIM卡对应的运营商所对应的核心网是正常的，那么终端可以根据已确定的失败原因，在不切换第一USIM卡的情况下，将紧急呼叫的网络从第一接入网络切换至第二接入网络，并可以通过第一USIM卡向第二接入网络发起紧急呼叫请求，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一接入网络，因此可以提高紧急呼叫的连接成功概率。
需要说明的是，第一接入网络的网络制式与第二接入网络的网络制式可以是不相同的，也可以是相同的，本实施例不作具体限定。
需要说明的是，第一接入网络和第二接入网络的网络制式可以是第五代移动通信网络制式，可以是第四代移动通信网络制式，也可以是第三代移动通信网络制式，本实施例对其不作具体限定。
在一实施例中，如第一呼叫网络的第一接入网络的网络制式为第五代移动通信网络制式，第二接入网络的网络制式为第三代移动通信网络制式，终端通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败时，可以获取紧急呼叫请求的失败信息，然后终端可以对所获取的失败信息进行分析，如确定紧急呼叫请求的失败原因为第一接入网络出现异常，那么终端可以根据已确定的第一接入网络出现异常的失败原因将紧急呼叫的网络从第一呼叫网络的第五代移动通信网络制式通过CSFB(Circuit Switched Domain Fall Back，电路域回落)切换至第二接入网络的第三代移动通信网络制式，并可以通过第一USIM卡向第二呼叫网络发起紧急呼叫请求，从而可以提高紧急呼叫的连接成功概率。
参照图4，终端还安装有第二USIM卡，第一呼叫网络包括第一接入网络和第一核心网络，第二呼叫网络包括第二核心网络，第一USIM卡和第二USIM卡均注册到第一接入网络，在一实施例中，步骤S230包括但不限于如下步骤：
步骤S410，当失败原因指示为第一核心网络出现异常，根据失败原因利用第二USIM卡通过第一接入网络向第二核心网络发起紧急呼叫请求。
在一实施例中，当失败原因指示为第一核心网出现异常，则可以判定为第一USIM卡对应的运营商网络存在异常，那么可以在不切换为第一接入网络的情况下，终端将目前用于紧急呼叫请求的第一USIM卡切换为第二USIM卡，并利用第二USIM卡通过第一接入网络向第二核心网络发起紧急呼叫请求，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一核心网络，因此可以提高紧急呼叫的连接成功概率。
其中，第一USIM卡和第二USIM卡可以通过同一个接入网络连接到其对应的运营商的核心网络中；第一核心网络和第二核心网络可以分别为不同运营商的核心网络。
参照图5，终端还安装有第二USIM卡，第一呼叫网络包括第一接入网络和第一核心网络，第二呼叫网络包括第二接入网络和第二核心网络，第一USIM卡和第二USIM卡均注册到第一接入网络，在一实施例中，步骤S230包括但不限于如下步骤：
步骤S510，当失败原因指示为第一核心网络出现异常，根据失败原因使第二USIM卡 注册至第二接入网络，并利用第二USIM卡通过第二接入网络向第二核心网络发起紧急呼叫请求。
在一实施例中，当失败原因指示为第一USIM卡连接的第一核心网络出现异常，可以判定为第一USIM卡对应的运营商网络存在异常，那么可以根据该失败原因使第二USIM卡注册至第二接入网络，然后通过第二USIM卡通过第二接入网络向第二核心网络发起紧急呼叫请求，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一核心网络，因此可以提高紧急呼叫的连接成功概率。
需要说明的是，第一USIM卡和第二USIM卡可以通过同一个接入网络连接到其对应的运营商的核心网络中，同时通过不同的接入网络连接到其对应的运营商的核心网络中，也可以是分别通过不同的接入网络连接到其对应的运营商的核心网络中，本实施例对其不作具体限定。
需要说明的是，第一核心网络和第二核心网络可以分别为不同运营商的核心网络，本实施例对其不作唯一限定。
参照图6，在一实施例中，紧急呼叫方法包括但不限于如下步骤：
步骤S610，获取用于发起呼叫请求的拨号信息，当根据拨号信息确定呼叫请求为紧急呼叫请求，显示一个拨号按键；
步骤S620，当获取到表示拨号按键被触发的触发信息，通过第一USIM卡发起连接第一呼叫网络的紧急呼叫请求；
步骤S630，当通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败，获取失败信息；
步骤S640，根据失败信息确定失败原因；
步骤S650，根据失败原因通过第二呼叫网络发起紧急呼叫请求。
在一实施例中，终端获取到用于发起呼叫请求的拨号信息，当判定该拨号信息对应的呼叫请求为紧急呼叫请求，可以在终端的屏幕显示一个拨号按键，终端可以在获取到表示拨号按键被触发的触发信息时，通过第一USIM卡发起连接第一呼叫网络的紧急呼叫请求，如通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败，可以通过获取失败信息并根据失败信息确定失败原因，然后根据失败原因通过第二呼叫网络发起紧急呼叫请求，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一呼叫网络，因此可以提高紧急呼叫的连接成功概率。
在一实施例中，终端可以包括第一USIM卡和第二USIM卡，当拨号信息确定呼叫请求为非紧急呼叫请求的时候，那么终端可以控制显示模块将对应不同USIM卡的两个拨号按键合并成一个拨号按键，即显示一个拨号按键，即当用户需要发起紧急呼叫时，仅需通过一个拨号按键发出紧急呼叫请求，后续紧急呼叫选择的USIM卡以及USIM卡对应的呼叫网络则由终端自动控制完成，当出现紧急呼叫失败时，终端可以通过获取失败信息并根据失败信息确定失败原因，然后根据失败原因通过第二呼叫网络发起紧急呼叫请求，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一呼叫网络，因此可以提高紧急呼叫的连接成功概率。
需要说明的是，第一USIM卡和第二USIM卡可以用于支持终端连接到不同运营商，本实施例对其不作唯一限定。
在一实施例中，对于设置有两张USIM卡(包括第一USIM卡和第二USIM卡)的终端，终端获取到用于发起呼叫请求的拨号信息，当判定该拨号信息对应的呼叫请求为紧急呼叫请求，那么终端可以控制显示模块将对应不同USIM卡的两个拨号按键合并成一个拨号按键，即显示一个拨号按键，即当用户需要发起紧急呼叫时，仅需通过一个拨号按键发出紧急呼叫请求，后续紧急呼叫选择的USIM卡以及USIM卡对应的呼叫网络则由终端自动控制完成，当获取到表示拨号按键被触发的触发信息，可以分别获取第一USIM卡所归属的核心网所支持的第一紧急呼叫能力和第二USIM卡所归属的核心网所支持的第二紧急呼叫能力，根据获取的第一紧急呼叫能力和第二紧急呼叫能力的情况，再发起紧急呼叫请求，可以通过比对双卡注册时的紧急电话的呼叫能力，自动选择呼叫能力强的呼叫网络，避免用户选择一个核心网支持能力差的，导致出现紧急呼叫延误的问题。当出现紧急呼叫失败时，终端还可以通过获取失败信息并根据失败信息确定失败原因，然后根据失败原因通过第二呼叫网络发起紧急呼叫请求，无需手动重拨，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一呼叫网络，因此可以提高紧急呼叫的连接成功概率。
在一实施例中，对于设置有两张USIM卡(包括第一USIM卡和第二USIM卡)的终端，终端获取到用于发起呼叫请求的拨号信息，当判定该拨号信息对应的呼叫请求为紧急呼叫请求，那么终端可以控制显示模块将对应不同USIM卡的两个拨号按键合并成一个拨号按键，即显示一个拨号按键，即当用户需要发起紧急呼叫时，仅需通过一个拨号按键发出紧急呼叫请求，后续紧急呼叫选择的USIM卡以及USIM卡对应的呼叫网络则由终端自动控制完成，当获取到表示拨号按键被触发的触发信息，可以分别获取第一USIM卡所归属的核心网所支持的第一紧急呼叫能力和第二USIM卡所归属的核心网所支持的第二紧急呼叫能力，当第一USIM卡的第一紧急呼叫能力大于第二USIM卡的第二紧急呼叫能力，可以确定通过第一USIM卡的第一呼叫网络进行紧急呼叫，可以通过比对双卡注册时的紧急电话的呼叫能力，自动选择能力较强的第一呼叫网络，避免用户选择一个核心网支持能力差的，导致出现紧急呼叫延误的问题。当出现紧急呼叫失败时，终端还可以通过获取失败信息并根据失败信息确定失败原因，如确定紧急呼叫请求的失败原因为第一接入网络出现异常，则从失败原因中可得到第一USIM卡对应的运营商所对应的核心网是正常的，那么终端可以根据已确定的失败原因，将当前发起紧急呼叫的呼叫网络从第一接入网络切换至第二接入网络，并可以通过第一USIM卡向第二接入网络发起紧急呼叫请求，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一接入网络，因此可以提高紧急呼叫的连接成功概率。
需要说明的是，第一紧急呼叫能力可以是语音能力，也可以是其他能力，本实施例对其不作具体限定。
需要说明的是，语音能力可以分为四个级别，第一级别可以是不支持紧急服务，第二级别可以是仅通过NR(New Radio，新空口)连接至5GCN(5th Generation Core Network，5G核心网)提供紧急服务，第三级别可以是仅通过E-UTRA(Evolved Universal Mobile Telecommunication System Territorial Radio Access，演进通用移动通信系统陆地无线接入)连接至5GCN提供紧急服务,第四级别可以是既能通过NR连接至5GCN提供紧急服务，也可以是通过E-UTRA连接至5GCN提供紧急服务；可以设定级别最高，语音能力越强。
在一实施例中，对于设置有两张USIM卡(包括第一USIM卡和第二USIM卡)的终端，在需要进行紧急呼叫的时候，可以分别获取第一USIM卡所归属的核心网所支持的第一语 音能力和第二USIM卡所归属的核心网所支持的第二语音能力，当第一USIM卡的语音能力大于第二USIM卡的语音能力，可以确定通过第二USIM卡的第一呼叫网络进行紧急呼叫，可以通过比对双卡注册时的紧急电话的呼叫能力，自动选择能力较强的第一呼叫网络，避免用户选择一个核心网支持能力差的，导致出现紧急呼叫延误的问题。
参照图7，终端包括第一USIM卡和第二USIM卡，在一实施例中，该紧急呼叫方法包括但不限于如下步骤：
步骤S710，通过SIB(Service Independent Building Block，业务独立构件)消息中的标志位判断终端的第一USIM卡和第二USIM卡是否注册在共享基站；若是，执行步骤S720，若否，执行步骤S790；
步骤S720，获取第一USIM卡和第二USIM卡在核心网中紧急呼叫的语音能力并进行存储；
步骤S730，当获取的呼叫请求为紧急呼叫请求，判断第一USIM卡的语音能力大于第二USIM卡的语音能力，终端通过第一USIM卡的第一呼叫网络(包括第一接入网络和第一核心网络)建立紧急呼叫；
步骤S740，判断终端是否成功通过第一USIM卡的第一呼叫网络建立紧急呼叫，若是，执行步骤S790，若否，执行步骤S750；
步骤S750，判断紧急呼叫失败原因为基站侧的接入网络，还是核心网络；若为核心网络，执行步骤S760，若为接入网络，执行步骤S780；
步骤S760，终端通过第二USIM卡的第二呼叫网络(包括第一接入网络和第二核心网络)建立紧急呼叫；
步骤S770，判断终端是否成功通过第二USIM卡的第二呼叫网络建立紧急呼叫，若是，执行步骤S790，若否，执行步骤S780；
步骤S780，终端在当前的USIM卡通过CSFB更换当前呼叫网络的网络制式，得到第三呼叫网络(如当前呼叫网络为包括第二接入网和第二核心网络，或者第三接入网络和第一核心网络)，通过第三呼叫网络建立紧急呼叫；
步骤S790，通过当前呼叫网络完成呼叫。
在一实施例中，终端的第一USIM卡和第二USIM卡均注册在共享基站，终端可以获取第一USIM卡和第二USIM卡分别在对应的核心网络中紧急呼叫的语音能力并进行存储，当用户使用终端发起紧急呼叫请求时，可以判断第一USIM卡的语音能力与第二USIM卡的语音能力的大小，如第一USIM卡的语音能力大于第二USIM卡的语音能力，则终端可以通过第一USIM卡的第一呼叫网络建立紧急呼叫，若成功建立，则通过当前呼叫网络完成呼叫，若建立失败，则需要分析失败的原因，若失败的原因是基站侧的接入网络，那么终端在当前的USIM卡通过CSFB更换当前呼叫网络的网络制式，得到第三呼叫网络，通过第三呼叫网络建立紧急呼叫；若失败的原因是核心网络，那么终端可以将连接呼叫网络的USIM卡切换为第二USIM卡，通过第二USIM卡的第二呼叫网络建立紧急呼叫，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一呼叫网络，因此可以提高紧急呼叫的连接成功概率。
如图8所示，图8为终端的紧急呼叫装置，紧急呼叫装置包括：获取模块，用于当通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败，获取失败信息；判定模块，用于根据失败信息确定失败原因；呼叫模块，用于根据失败原因切换至第二呼叫网络，并 通过第二呼叫网络发起紧急呼叫请求。当终端中的通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败时，获取模块可以获取紧急呼叫请求的失败信息，判定模块可以根据失败信息确定紧急呼叫请求的失败原因，然后呼叫模块可以根据失败原因切换至第二呼叫网络，并通过第二呼叫网络发起紧急呼叫请求，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一呼叫网络，因此可以提高紧急呼叫的连接成功概率。
在一实施例中，第一呼叫网络包括第一接入网络，第二呼叫网络包括第二接入网络，呼叫模块还用于当失败原因指示为第一接入网络出现异常，根据失败原因使第一USIM卡注册至第二接入网络，并通过第一USIM卡向第二接入网络发起紧急呼叫请求。当终端中的通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败时，获取模块可以获取紧急呼叫请求的失败信息，然后判定模块可以对所获取的失败信息进行分析，如确定紧急呼叫请求的失败原因为第一接入网络出现异常，那么呼叫模块可以根据已确定的第一接入网络出现异常的失败原因将紧急呼叫的网络从第一呼叫网络切换至第二呼叫网络，并可以通过第一USIM卡向第二呼叫网络发起紧急呼叫请求，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一呼叫网络，因此可以提高紧急呼叫的连接成功概率。
在一实施例中，终端还安装有第二USIM卡，第一USIM卡和第二USIM卡均注册到第一接入网络，第一呼叫网络还包括第一核心网络，第二呼叫网络包括第二核心网络，呼叫模块还用于当失败原因指示为第一核心网络出现异常，根据失败原因利用第二USIM卡通过第一接入网络向第二核心网络发起紧急呼叫请求。当通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败，获取模块可以通过Modem获取紧急呼叫请求失败的失败信息，判定模块可以对获取的失败信息进行分析，如判定模块确定紧急呼叫请求失败的原因为第一核心网出现异常，则可以认为第一USIM卡对应的运营商网络存在异常，那么呼叫模块可以不切换第一接入网络，直接将第一USIM卡切换为第二USIM卡，然后呼叫模块可以通过第二USIM卡从第一接入网络向第二核心网络发起紧急呼叫请求，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一呼叫网络，因此可以提高紧急呼叫的连接成功概率。
在一实施例中，终端还安装有第二USIM卡，第一USIM卡和第二USIM卡均注册到第一接入网络，第一呼叫网络还包括第一核心网络，第二呼叫网络包括第二核心网络和第二接入网络，呼叫模块还用于当失败原因指示为第一核心网络出现异常，根据失败原因使第二USIM卡注册至第二接入网络，并利用第二USIM卡通过第二接入网络向第二核心网络发起紧急呼叫请求。当通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败，获取模块可以通过Modem获取紧急呼叫请求失败的失败信息，判定模块可以对获取的失败信息进行分析，并确定紧急呼叫失败的原因，如判定模块确定失败原因为第一USIM卡连接的第一核心网络出现异常，即可以判定为第一USIM卡对应的运营商网络存在异常，那么呼叫模块可以根据该失败原因使第二USIM卡注册至第二接入网络，然后通过第二USIM卡通过第二接入网络向第二核心网络发起紧急呼叫请求，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一呼叫网络，因此可以提高紧急呼叫的连接成功概率。
在一实施例中，终端包括第一USIM卡和第二USIM卡，获取模块还可以用于获取第一USIM卡所归属的核心网所支持的第一紧急呼叫能力和第二USIM卡所归属的核心网所支持的第二紧急呼叫能力；呼叫模块还可以用于根据第一紧急呼叫能力和第二紧急呼叫能力发 起紧急呼叫请求。对于设置有两张USIM卡(包括第一USIM卡和第二USIM卡)的终端，在需要进行紧急呼叫的时候，获取模块可以分别获取第一USIM卡所归属的核心网所支持的第一紧急呼叫能力和第二USIM卡所归属的核心网所支持的第二紧急呼叫能力，呼叫模块可以根据获取的第一紧急呼叫能力和第二紧急呼叫能力的情况，再发起紧急呼叫请求，可以通过比对双卡注册时的紧急电话的呼叫能力，自动选择网络，避免用户选择一个核心网支持能力差的，导致出现紧急呼叫延误的问题。
在一实施例中，紧急呼叫装置还包括显示模块，显示模块可以用于获取用于发起呼叫请求的拨号信息，根据拨号信息确定呼叫请求为紧急呼叫请求，显示一个拨号按键。当获取到用于发起呼叫请求的拨号信息，并根据拨号信息确定该呼叫请求为紧急呼叫请求，显示模块可以控制终端的显示模块显示一个拨号按键，当获取到表示拨号按键被触发的触发信息，通过第一USIM卡发起连接第一呼叫网络的紧急呼叫请求。即用户仅需通过一个拨号按键发出紧急呼叫请求，后续紧急呼叫选择的呼叫网络则由终端自动完成，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一呼叫网络，因此可以提高紧急呼叫的连接成功概率。
另外，本申请的一个实施例还提供了一种终端，参照图9，终端900包括存储器920、处理器910及存储在存储器920上并可在处理器910上运行的计算机程序。
处理器和存储器可以通过总线或者其他方式连接。
存储器作为一种非暂态计算机可读存储介质，可用于存储非暂态软件程序以及非暂态性计算机可执行程序。此外，存储器可以包括高速随机存取存储器，还可以包括非暂态存储器，例如至少一个磁盘存储器件、闪存器件、或其他非暂态固态存储器件。在一些实施方式中，存储器可包括相对于处理器远程设置的存储器，这些远程存储器可以通过网络连接至该处理器。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。
实现上述实施例的信息处理方法所需的非暂态软件程序以及指令存储在存储器中，当被处理器执行时，执行上述实施例中的信息处理方法，例如，执行以上描述的图2中的方法步骤S210至S230、图3中的方法步骤S310、图4中的方法步骤S410、图5中的方法步骤510、图6中的方法步骤S610至S650，图7中的方法步骤S710至S790。
此外，本申请的一个实施例还提供了一种计算机可读存储介质，该计算机可读存储介质存储有计算机可执行指令，该计算机可执行指令被一个处理器或控制器执行，例如，被上述实施例中激光器中的一个处理器执行，可使得处理器执行上述实施例中的网络选择，例如，执行以上描述的图2中的方法步骤S210至S230、图3中的方法步骤S310、图4中的方法步骤S410、图5中的方法步骤510、图6中的方法步骤S610至S650，图7中的方法步骤S710至S790。
本申请实施例包括：当通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败，获取失败信息；根据失败信息确定失败原因；根据失败原因切换至第二呼叫网络，并通过第二呼叫网络发起紧急呼叫请求。根据本申请实施例提供的方案，当通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败时，可以获取紧急呼叫请求的失败信息，并根据失败信息可以确定失败原因，由于能够明确通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求具体的失败原因，因此可以根据失败原因通过第二呼叫网络发起紧急呼 叫请求，由于重新发起的紧急呼叫请求没有通过存在网络异常的第一呼叫网络，而是通过新的呼叫网络发起紧急呼叫请求，因此可以提高紧急呼叫的连接成功概率。
本领域普通技术人员可以理解，上文中所公开方法中的全部或某些步骤、系统可以被实施为软件、固件、硬件及其适当的组合。某些物理组件或所有物理组件可以被实施为由处理器，如中央处理器、数字信号处理器或微处理器执行的软件，或者被实施为硬件，或者被实施为集成电路，如专用集成电路。这样的软件可以分布在计算机可读介质上，计算机可读介质可以包括计算机存储介质(或非暂时性介质)和通信介质(或暂时性介质)。如本领域普通技术人员公知的，术语计算机存储介质包括在用于存储信息(诸如计算机可读指令、数据结构、程序模块或其他数据)的任何方法或技术中实施的易失性和非易失性、可移除和不可移除介质。计算机存储介质包括但不限于RAM、ROM、EEPROM、闪存或其他存储器技术、CD-ROM、数字多功能盘(DVD)或其他光盘存储、磁盒、磁带、磁盘存储或其他磁存储装置、或者可以用于存储期望的信息并且可以被计算机访问的任何其他的介质。此外，本领域普通技术人员公知的是，通信介质通常包含计算机可读指令、数据结构、程序模块或者诸如载波或其他传输机制之类的调制数据信号中的其他数据，并且可包括任何信息递送介质。
以上是对本申请的一些实施进行了具体说明，但本申请并不局限于上述实施方式，熟悉本领域的技术人员在不违背本申请范围的前提下还可作出种种的等同变形或替换，这些等同的变形或替换均包含在本申请权利要求所限定的范围内。

Claims (10)

  1. 一种紧急呼叫方法，应用于终端，所述终端安装有第一全球用户识别模块USIM卡，所述方法包括：
    当通过第一USIM卡发起的连接第一呼叫网络的紧急呼叫请求失败，获取失败信息；
    根据所述失败信息确定失败原因；
    根据所述失败原因通过第二呼叫网络发起紧急呼叫请求。
  2. 根据权利要求1所述的紧急呼叫方法，其中，所述第一呼叫网络包括第一接入网络，所述第二呼叫网络包括第二接入网络，所述根据所述失败原因通过第二呼叫网络发起紧急呼叫请求，包括：
    当所述失败原因指示为所述第一接入网络出现异常，根据所述失败原因使所述第一USIM卡注册至所述第二接入网络，并通过所述第一USIM卡向所述第二接入网络发起紧急呼叫请求。
  3. 根据权利要求2所述的紧急呼叫方法，其中，所述第一接入网络的网络制式与所述第二接入网络的网络制式不相同。
  4. 根据权利要求1所述的紧急呼叫方法，其中，所述终端还安装有第二USIM卡，所述第一呼叫网络包括第一接入网络和第一核心网络，所述第二呼叫网络包括第二核心网络，所述第一USIM卡和所述第二USIM卡均注册到所述第一接入网络，所述根据所述失败原因通过第二呼叫网络发起紧急呼叫请求，包括：
    当所述失败原因指示为所述第一核心网络出现异常，根据所述失败原因利用所述第二USIM卡通过所述第一接入网络向所述第二核心网络发起紧急呼叫请求。
  5. 根据权利要求1所述的紧急呼叫方法，其中，所述终端还安装有第二USIM卡，所述第一呼叫网络包括第一接入网络和第一核心网络，所述第二呼叫网络包括第二接入网络和第二核心网络，所述第一USIM卡和所述第二USIM卡均注册到所述第一接入网络，所述根据所述失败原因通过第二呼叫网络发起紧急呼叫请求，包括：
    当所述失败原因指示为所述第一核心网络出现异常，根据所述失败原因使所述第二USIM卡注册至所述第二接入网络，并利用所述第二USIM卡通过所述第二接入网络向所述第二核心网络发起紧急呼叫请求。
  6. 根据权利要求1至5任意一项所述的紧急呼叫方法，其中，还包括：
    获取用于发起呼叫请求的拨号信息，当根据所述拨号信息确定所述呼叫请求为所述紧急呼叫请求，显示一个拨号按键。
  7. 根据权利要求6所述的紧急呼叫方法，其中，还包括：
    当获取到表示所述拨号按键被触发的触发信息，通过所述第一USIM卡发起连接所述第一呼叫网络的所述紧急呼叫请求。
  8. 根据权利要求7所述的紧急呼叫方法，其中，所述终端还安装有第二USIM卡，所述通过所述第一USIM卡发起连接所述第一呼叫网络的所述紧急呼叫请求，包括：
    当所述第一USIM卡所归属的核心网所支持的第一紧急呼叫能力大于所述第二USIM卡所归属的核心网所支持的第二紧急呼叫能力，通过所述第一USIM卡发起连接所述第一呼叫网络的所述紧急呼叫请求。
  9. 一种终端，包括：存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，其中，所述处理器执行所述计算机程序时实现如权利要求1至8中任意一项所述的紧急呼叫方法。
  10. 一种计算机可读存储介质，存储有计算机可执行指令，其中，所述计算机可执行指令用于执行权利要求1至8中任意一项所述的紧急呼叫方法。
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