CN111279670A - Emergency number matching method and device - Google Patents

Emergency number matching method and device Download PDF

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Publication number
CN111279670A
CN111279670A CN201780096288.9A CN201780096288A CN111279670A CN 111279670 A CN111279670 A CN 111279670A CN 201780096288 A CN201780096288 A CN 201780096288A CN 111279670 A CN111279670 A CN 111279670A
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China
Prior art keywords
emergency number
country code
mobile terminal
emergency
list
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Chinese (zh)
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瞿永钢
朱峰结
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Shenzhen Transsion Communication Co Ltd
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Shenzhen Transsion Communication Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)

Abstract

An emergency number matching method and a matching device, wherein an emergency number mapping table is preset in a mobile terminal, the mobile terminal registers to a searched communication network, obtains a country code from public land mobile network information, and obtains an emergency number list matched with the country code by inquiring the emergency number mapping table according to the country code; when the mobile terminal has no card, the mobile terminal resides in the searched communication network and acquires a country code from the public land mobile network information; when the mobile terminal has no card and cannot use the wireless communication function, the mobile terminal queries the emergency number mapping table by adopting the country code obtained when the mobile terminal registers or resides in the communication network for the last time to obtain an emergency number list matched with the country code. The invention ensures that the mobile terminal can obtain the correct country code under any condition, thereby obtaining the correct emergency number matched with the country code and ensuring that the mobile terminal can accurately dial the emergency number during international roaming.

Description

Emergency number matching method and device Technical Field
The invention relates to the technical field of mobile communication, in particular to an emergency number matching method and an emergency number matching device.
Background
In daily life, a user of a mobile terminal may encounter some situations (e.g., natural disasters, car accidents, robberies, etc.) and may need to call an emergency number in a local emergency number list through the mobile terminal to seek help. Currently, the identification of emergency phone numbers is usually performed by storing a fixed emergency number list in the terminal system, such as police, fire, rescue, etc., when the number dialed by the user falls in the emergency number list, the terminal system will allow the emergency number to be dialed and attempt to connect to the emergency phone service no matter what state the terminal is in (such as keypad lock, SIM card, no service, etc.).
The emergency number list in the terminal comes from three parts: the first part is from the emergency number sent by the mobile network registered by the terminal; the second part is from an emergency number carried in advance on a Subscriber Identity Module (SIM) card inserted in the terminal equipment; the third part is from the emergency number preset by the terminal itself. At present, most mobile networks do not send emergency numbers to terminals registered with the mobile networks any more, and SIM cards issued by many operators do not carry the emergency numbers, so that most of emergency number lists in the terminals at present are composed of the emergency numbers preset by the terminals themselves, and the emergency numbers preset by the terminals themselves can still be dialed when the SIM cards are not inserted or the service is limited.
The emergency numbers of different countries or regions are different, and the emergency numbers preset by the terminal are usually preset according to the place of sale of the terminal, for example: emergency numbers such as 110 (gangster alarm), 119 (fire alarm), 120 (emergency treatment) and the like are preset in the mobile phone sold in China; the mobile phone sold in the United states can preset a 911 alarm number; mobile phones sold in the uk will preset 999 alarm numbers; the mobile phone sold in Germany can preset emergency numbers such as 110 (police), 112 (fire alarm) and the like; the mobile phone sold in india is preset with emergency numbers such as 100 (police), 101 (fire alarm), 102 (emergency treatment) and so on.
The emergency numbers are different from country to country and are not configured consistently. Also 110, is an emergency number in china, but may be an operator service number in other countries, and may not be treated as an emergency number.
Generally, when the mobile terminal is roaming internationally, the current emergency number allocation method will cause the mobile terminal to be unable to dial the emergency number of the roaming place, for example, when the mobile terminal roams from china to india, the mobile terminal dials 119 the fire alarm telephone number which is unable to reach india. This can cause irreparable damage to the mobile terminal user's personnel and property.
Disclosure of the invention
The invention provides an emergency number matching method and a matching device, which ensure that a mobile terminal can obtain a correct country code under any condition, thereby obtaining a correct emergency number matched with the country code and ensuring that the mobile terminal can accurately dial the emergency number during international roaming.
In order to achieve the above object, the present invention provides an emergency number matching apparatus provided in a mobile terminal, the emergency number matching apparatus comprising:
the storage module is used for storing an emergency number mapping table, a PLMN list and a current emergency number table;
the mobile terminal comprises a processing module, a judging module and a judging module, wherein the processing module is used for judging whether an SIM card or a USIM card exists or not, judging whether a wireless communication function of the mobile terminal can be used or not and updating a current emergency number list and a PLMN list;
a wireless communication module for searching a communication network and registering or camping the mobile terminal in the communication network;
the extraction module is used for extracting the country code;
the country code judging module is used for comparing the current country code obtained by the extracting module with the country code obtained last time by the mobile terminal;
the query module is used for querying the emergency number mapping table in the storage module according to the current country code to obtain an emergency number list matched with the current country code;
the calling module is used for initiating an emergency call according to the emergency number;
and the emergency number determining module is used for converting the emergency number of the selling place into the corresponding emergency number in the current emergency number table.
The emergency number mapping table comprises: country codes of various countries in the world and an emergency number list corresponding to the country codes.
The current emergency number list is used for storing the emergency number list matched with the country code, and the current emergency number list is updated after the mobile terminal obtains the emergency number list matched with the new country code each time.
The PLMN list is used for storing public land mobile network information PLMN ID acquired by the mobile terminal from a current registered or resident communication network, the public land mobile network information PLMN ID comprises a country code MCC and an operator code MNC, and the PLMN list is updated after the mobile terminal registers or resides in a new communication network each time.
The emergency number determination module comprises:
the number type determining module is used for determining the type of the emergency number of the place of sale dialed by the user;
and the number conversion module is used for inquiring the current emergency number list according to the type of the emergency number, obtaining the emergency number consistent with the dialing type, and using the emergency number as the emergency number for the calling module to dial.
The invention also provides a mobile terminal which comprises the emergency number matching device.
The invention also provides an emergency number matching method, which comprises the following steps: the method comprises the steps that an emergency number mapping table is preset in the mobile terminal, and the emergency number mapping table comprises country codes of all countries in the world and an emergency number list corresponding to the country codes;
the mobile terminal registers to the searched communication network, acquires the public land mobile network information PLMN ID of the communication network, acquires a country code from the public land mobile network information, and queries an emergency number mapping table according to the country code to acquire an emergency number list matched with the country code;
when the mobile terminal has no card, the mobile terminal resides in the searched communication network, public land mobile network information PLMN ID of the communication network is obtained, a country code is obtained from the public land mobile network information, and an emergency number list matched with the country code is obtained by inquiring an emergency number mapping table according to the country code;
when the mobile terminal has no card and cannot use the wireless communication function, the mobile terminal queries the emergency number mapping table by adopting the country code obtained when the mobile terminal registers or resides in the communication network for the last time to obtain an emergency number list matched with the country code.
And storing the public land mobile network information PLMN ID in a PLMN list, wherein the public land mobile network information PLMN ID comprises a country code MCC and an operator code MNC, and updating the PLMN list after the mobile terminal registers or resides in a new communication network each time.
And storing the emergency number list matched with the country code in the current emergency number list, and updating the current emergency number list after the mobile terminal obtains the emergency number list matched with the new country code each time.
After determining the emergency number list matched with the country code, if the emergency number dialed by the user is consistent with the emergency number in the current emergency number list, directly initiating an emergency call according to the emergency number; if the emergency number dialed by the user is consistent with the emergency number in the emergency number list corresponding to the country code of the place of sale of the mobile terminal, the emergency number dialed by the user is converted into the corresponding emergency number in the current emergency number list, and a call is initiated according to the converted emergency number.
The method for converting the emergency number dialed by the user into the corresponding emergency number in the current emergency number table specifically comprises the following steps:
determining the type of the emergency number of the place of sale dialed by the user;
and inquiring the current emergency number list according to the type of the emergency number, obtaining the emergency number consistent with the dialing type, and using the emergency number as the emergency number for the calling module to dial.
The emergency number list matched with the country code is obtained by obtaining the country code of a communication network registered by the mobile terminal, when the mobile terminal has no card, the mobile terminal resides in the searched communication network to obtain the public land mobile network information PLMN ID of the communication network, the country code is obtained from the public land mobile network information, the emergency number list matched with the country code is obtained by inquiring the emergency number mapping table according to the country code, and when the mobile terminal has no card and cannot use the wireless communication function, the emergency number list matched with the country code is obtained by inquiring the emergency number mapping table by adopting the country code obtained when the mobile terminal registers or resides in the communication network last time. The invention ensures that the mobile terminal can obtain the correct country code under any condition, thereby obtaining the correct emergency number matched with the country code and ensuring that the mobile terminal can accurately dial the emergency number during international roaming. The invention is simple to realize, is convenient to popularize and has wide application range.
Brief description of the drawings
Fig. 1 is a schematic structural diagram of an emergency number matching device provided by the present invention.
Fig. 2 is a diagram of an emergency number mapping table.
Fig. 3 is a schematic illustration of a PLMN list.
Fig. 4 is a schematic structural diagram of an emergency number determination module.
Fig. 5 is a flowchart of an emergency number matching method according to the present invention.
Fig. 6 is a flowchart of a method for converting an emergency number of a destination to a corresponding emergency number in a current emergency number list.
Best mode for carrying out the invention
The preferred embodiment of the present invention will be described in detail below with reference to fig. 1 to 6.
A mobile terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a smart phone, a notebook computer, a digital broadcast receiver, a Personal Digital Assistant (PDA), a tablet computer (PAD), a Portable Multimedia Player (PMP), a navigation device, and the like, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for mobile purposes.
After the Mobile terminal is powered on, it will automatically perform network search and initialization, and connect to a communication System through a base station, where the communication System may be a Global System for Mobile Communications (GSM) System, a General Packet Radio Service (GPRS) System, or an enhanced data rates for GSM evolution (EDGE), which is commonly known as a 2G network, using Time Division Multiple Access (TDMA). Alternatively, the communication System may also be a Universal Mobile Telecommunications System (UMTS) that uses Wideband Code Division Multiple Access (WCDMA), which is also commonly referred to as a 3G network. Alternatively, the communication system may be a Long Term Evolution (LTE) system (e.g., 3GPP Rel-8/9/10 standard), an LTE-Advanced (LTE-Advanced) system (e.g., 3GPP Rel-11 standard) or a successor of the LTE-Advanced system (e.g., 3GPP Rel-11 standard) using Orthogonal Frequency Division Multiplexing (OFDM) and/or Orthogonal Frequency Division Multiple Access (OFDMA), which is also known as a 4G network. The communication system is not limited to the above list and any system that can provide communication services to mobile terminals is included within the scope of the communication system of the present invention.
Both GSM and WCDMA are based on GSM-MAP core networks, and GSM networks can evolve smoothly into WCDMA systems. Currently, the WCDMA system is established in europe, asia, africa in many countries. By international roaming between WCDMA and GSM is meant that a GSM (or WCDMA) user roams to a foreign WCDMA (GSM) network, which is served using a visited WCDMA (GSM) network.
Due to the differences in the development conditions of various countries, for example, some countries only have GSM networks (such as china), and some countries only have WCDMA networks (such as japan) built without GSM networks. For this purpose the 3GPP TS 22.100 specification states that a WCDMA terminal should be able to support access to a WCDMA network via the SIM card of GSM. Of course, the WCDMA network can only provide the services that the GSM system can provide to the user at this time (the services specific to WCDMA, such as video, high speed data communication, cannot be provided). Whether the user can access the WCDMA network through the SIM card of GSM is controlled by the WCDMA network operator. While the 3GPP TS 22.101 specification indicates that the UMTS system should allow WCDMA users to access the GSM network through GSM terminals.
A Universal Integrated Circuit Card (UICC) is a removable smart Card that stores user information, authentication keys, phone books, short messages, etc. In GSM and 3GPP specifications, users want to use various services normally and must rely on the UICC card in the mobile terminal. If there is no UICC card in the mobile terminal, the user can only use the emergency call service (e.g., 110, 119). The UICC card is a generic term for a smart card defining physical characteristics, and may contain various logical applications, such as a Subscriber Identity Module (SIM), a Universal Subscriber Identity Module (USIM), and other applications (e-wallet, etc.).
The SIM card is a smart card used by mobile terminals in GSM networks for storing various parameters and related user information, such as user subscription information, authentication keys, user preference information, and short messages. The SIM card contains the following information: 1. international Mobile Subscriber Identity (IMSI, International Mobile Subscriber Identity): and the user identity is used for access authentication. 2. Mobile Subscriber ISDN Number (MSISDN): mobile phone number 3, key Ki, encryption algorithm A3, A8 of Mobile subscriber, used for authentication 4, Mobile Country Code (MCC), Mobile Network Code of home PLMN (MNC): and (5) network identification.
The USIM card is used in a WCDMA network and is used for storing user subscription information, authentication information, payment modes, user short messages and the like. The USIM card contains the following information: 1. international Mobile Subscriber Identity (IMSI, International Mobile Subscriber Identity): the IMSI is a unique identity assigned to each subscriber that is invisible to the subscriber and visible to the network. The IMSI serves as a subscriber identity for authentication purposes. Its private subscriber identity is equivalent to the IMSI in the IP Multimedia Subsystem (IMS). 2. Mobile Subscriber ISDN Number (MSISDN): in which field one or more telephone numbers assigned to the user are stored. Its public user identity is equivalent to the MSISDN in IMS. 3. Ciphering Key (CK, Cipher Key) and Integrity Key (IK, Integrity Key): these keys are used for encryption and integrity protection of data in the air interface. The USIM separately stores keys used in the circuit domain and the packet domain. 4. Short Message (SMS): the USIM may store the short message and related data such as sender, recipient, status, etc. 5. Short message parameters: this field is used to store configuration data related to SMS services, such as SMS centre addresses, supported protocols, etc. 6. Multimedia Messaging Service (MMS) user connectivity parameter: this field is used to store configuration data related to MMS traffic, such as MMS server addresses, MMS gateway addresses. 7. MMS user preference information: this field is used to store user preference information related to MMS services, such as a send report flag, priority, expiration information, etc.
Compared with the one-way authentication (network authentication user) of the SIM card, the USIM card authentication mechanism adopts two-way authentication (except for the network authentication user, the user also authenticates the network), and has very high security. Each contact in the USIM card phonebook may correspond to multiple numbers or nicknames as compared to the SIM card phonebook. Compared with the SIM card interface rate, the USIM card interface rate is greatly improved (230 kbps). Relative to the support of the SIM card for the logic application, the USIM can simultaneously support 4 concurrent logic applications.
Currently, a UICC card generally includes two modules, namely a USIM and a SIM, and is called a composite USIM card (which can be compatible with a GSM terminal and a WCDMA terminal), and if only a USIM module is included in the UICC, it is called a pure USIM card. The WCDMA terminal has backward compatibility on a machine card interface and is compatible with USIM cards (a composite USIM card and a pure USIM card) and GSM SIM cards. The GSM terminal is compatible with the SIM card of GSM and the composite USIM card of WCDMA, but not compatible with pure USIM cards. The WCDMA dual-mode terminal can access the GSM wireless network or the WCDMA wireless network no matter a SIM card or a USIM card (a composite USIM card or a pure USIM card) is inserted. The GSM terminal can only access the GSM wireless network by inserting the SIM card or the composite USIM card. The SIM card can be applied to GSM, WCDMA and TD-SCDMA systems. The USIM card can be applied to GSM, WCDMA and TD-SCDMA systems.
A base station of a communication System sends a broadcast System message, which includes three types of MIB (Master Information Block), SB (Scheduling Block), and SIB (System Information Block). The master information block MIB includes PLMN (Public Land Mobile Network) information, where the PLMN is a Network established and operated by a government or an operator approved by the government for providing Land Mobile services to the Public, and the Network of each operator has a corresponding PLMN number for identification, and the PLMN ID is composed of two parts, i.e., a Mobile country code MCC (Mobile country code) and an operator code mnc (Mobile Network code MCC), and the country code MCC can uniquely identify a country.
The invention obtains the country code (MCC) through the network registered by the mobile terminal, and then matches the local emergency number, so that the mobile terminal can obtain the correct local emergency number in different countries, and the correct emergency number can be matched under the conditions of short offline or starting flight mode, and the like, thereby ensuring the correct matching of the emergency number and the country.
As shown in fig. 1, the present invention provides an emergency number matching apparatus provided in a mobile terminal, the emergency number matching apparatus comprising:
a storage module 101, configured to store an emergency number mapping table, a PLMN list, and a current emergency number table;
a processing module 102, configured to determine whether a SIM card or a USIM card exists, whether a wireless communication function of the mobile terminal is available, and update the current emergency number table and the PLMN list;
a wireless communication module 103 for searching a communication network and registering or camping the mobile terminal in the communication network;
an extraction module 104, configured to extract a country code; the extraction module can acquire PLMN ID information of a communication network which is currently registered or resided, and further extract a country code MCC of a country from the PLMN ID information as a current country code; or the extracting module may extract the last updated country code MCC from the PLMN list in the storing module as the current country code;
a country code judging module 105, configured to compare the current country code obtained by the extracting module with a country code obtained last time by the mobile terminal;
the query module 106 is configured to query the emergency number mapping table in the storage module according to the current country code to obtain an emergency number list matched with the current country code;
a calling module 107, configured to initiate an emergency call according to the emergency number;
the emergency number determining module 108 is configured to convert the emergency number of the distribution location into a corresponding emergency number in the current emergency number table.
As shown in fig. 2, the emergency number mapping table includes: a country code and a list of emergency numbers corresponding to the country code.
Preferably, the emergency number mapping table includes country codes of countries in the world and emergency number lists corresponding to the country codes. Such as: the country code of China is 460, and the emergency number list contains 110 (police), 119 (fire), 120 (emergency) and so on; indian country code 404, emergency number list including 100 (police), 101 (fire), 102 (emergency), etc.; the country code in the united states is 310 and the emergency number list contains 911 emergency numbers.
And the current emergency number list is updated in real time.
As shown in fig. 3, the PLMN list is updated in real time, and the PLMN list is used to store PLMN ID information acquired by the mobile terminal from the currently registered communication network, where the PLMN ID information includes: country code MCC and operator code MNC. For example: the PLMN of China Mobile is 46000, wherein 460 is the country code and 00 is the operator code; the PLMN in china unicom is 46001, where 460 is a country code and 01 is an operator code.
As shown in fig. 4, the emergency number determination module 108 further includes:
a number type determination module 1081 for determining a type of the emergency number of the place of sale dialed by the user; this type should at least include: banderoer alarm, fire alarm, first aid, etc.;
and the number conversion module 1082 is configured to query the current emergency number list according to the type of the emergency number, obtain an emergency number consistent with the dialing type, and use the emergency number as the emergency number to be dialed by the call module.
The storage module 101 may be a storage medium in a mobile terminal, and the storage medium may be a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, etc.
The processing module 102, the extracting module 104, the country code judging module 105, the querying module 106, the calling module 107, and the emergency number determining module 108 may be implemented based on a processor in the mobile terminal, and the processor may be a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), or the like.
The wireless communication module 103 is implemented by a wireless communication device in the mobile terminal.
As shown in fig. 5, the present invention provides an emergency number matching method, which comprises the following steps:
step S1, establishing an emergency number mapping table, a PLMN list and a current emergency number table in a storage module of the mobile terminal;
the emergency number mapping table pre-stores country codes of all countries in the world and emergency number lists corresponding to the country codes;
the PLMN list is used for storing PLMN ID information acquired by the mobile terminal from a currently registered communication network or a currently resident communication network, and the PLMN ID information comprises a country code MCC and an operator code MNC;
the current emergency number table is used for storing an emergency number list corresponding to the current country code MCC;
step S2, the mobile terminal is initialized when being started;
step S3, the processing module judges whether SIM card or USIM card exists in the mobile terminal, if yes, step S4 is carried out, if not, step S5 is carried out;
step S4, the wireless communication module searches the network and registers the network to the searched communication network, the extraction module obtains the PLMN ID information of the current communication network, the processing module updates the PLMN list in the storage module to the current PLMN ID information, the extraction module further extracts the country code MCC of the country from the PLMN ID information as the current country code, and the step S8 is carried out; step S5, the processing module determines whether the wireless communication function of the mobile terminal is available, if not, it indicates that the mobile terminal may be in a flight mode or have other abnormal conditions, then step S6 is performed, if available, step S7 is performed;
step S6, the extracting module extracts the country code MCC updated last time from the PLMN list in the storage module as the current country code, and the step S8 is performed;
step S7, the wireless communication module searches the network and resides in the searched communication network, the extraction module obtains the PLMN ID information of the current communication network, the processing module updates the PLMN list in the storage module to the current PLMN ID information, the extraction module further extracts the country code MCC of the country from the PLMN ID information as the current country code, and the step S8 is carried out;
step S8, the country code judging module compares the extracted current country code with the country code obtained last time by the mobile terminal, if the extracted current country code is consistent with the country code obtained last time by the mobile terminal, the step S11 is carried out, and if the extracted current country code is inconsistent with the country code obtained last time by the mobile terminal, the step S9 is carried out;
step S9, the query module queries the emergency number mapping table in the storage module according to the current country code to obtain an emergency number list matched with the current country code, and step S10 is carried out;
step S10, the processing module updates the current emergency number table in the storage module to an emergency number list matched with the current country code, and step S11 is carried out;
step S11, the emergency number determining module judges whether the emergency number dialed by the user is consistent with the emergency number in the current emergency number list, if so, the calling module initiates an emergency call according to the emergency number, and if not, the step S12 is carried out;
step S12, the emergency number determining module judges whether the emergency number dialed by the user is consistent with the emergency number in the emergency number list corresponding to the country code of the place of sale of the mobile terminal, if so, the emergency number determining module converts the emergency number of the place of sale into the corresponding emergency number in the current emergency number list, and the calling module calls the converted emergency number;
as shown in fig. 6, in step S12, the method for converting the emergency number of the destination into the corresponding emergency number in the current emergency number table specifically includes the following steps:
s12.1, a number type determining module determines the type of the emergency number of the place of sale dialed by the user; this type should at least include: banderoer alarm, fire alarm, first aid, etc.;
and S12.2, the number conversion module inquires the current emergency number list according to the type of the emergency number, obtains the emergency number consistent with the dialing type, and takes the emergency number as the emergency number for the calling module to dial.
In one embodiment of the invention, the place of sale of the mobile terminal is China, the mobile terminal user roams from China internationally to India, the mobile terminal is registered to the local communication network of India, the mobile terminal user wants to use the local card of India, therefore, the mobile terminal user takes out the card in the mobile terminal, when the mobile terminal is in a no-card state, and meets emergency situations and needs to dial police, the emergency number matching device in the mobile terminal realizes the emergency number matching according to the following method:
after the mobile terminal roams to India and registers to a local communication network in India, the mobile terminal acquires the Indian country code, updates the emergency number list and the PLMN list into the India emergency number and the Indian PLMN ID information, when a mobile terminal user dials the bandit police telephone 110 according to the China emergency number, the mobile terminal cannot register to the communication network because the mobile terminal has no card, the mobile terminal resides in the searched communication network, the extraction module acquires the PLMN ID information of the current communication network, the processing module updates the PLMN list in the storage module into the current PLMN ID information, the extraction module further extracts the country code of the country from the PLMN ID information to be used as the current country code, the Indian emergency number list corresponding to the Indian country code is determined to be used, the emergency number determination module judges that the emergency number 110 dialed by the user is inconsistent with the emergency number in the India emergency number list, the emergency number determination module further determines that the 110 emergency number dialed by the mobile terminal user is consistent with the police number in the emergency number list corresponding to the Chinese country code, the emergency number determination module locks the corresponding police number in the India emergency number list to be 100, and the calling module automatically dials the 100 emergency number.
The emergency number list matched with the country code is obtained by obtaining the country code of a communication network registered by the mobile terminal, when the mobile terminal has no card, the mobile terminal resides in the searched communication network to obtain the public land mobile network information PLMN ID of the communication network, the country code is obtained from the public land mobile network information, the emergency number list matched with the country code is obtained by inquiring the emergency number mapping table according to the country code, and when the mobile terminal has no card and cannot use the wireless communication function, the emergency number list matched with the country code is obtained by inquiring the emergency number mapping table by adopting the country code obtained when the mobile terminal registers or resides in the communication network last time. The invention ensures that the mobile terminal can obtain the correct country code under any condition, thereby obtaining the correct emergency number matched with the country code and ensuring that the mobile terminal can accurately dial the emergency number during international roaming. The invention is simple to realize, is convenient to popularize and has wide application range.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.

Claims (9)

  1. An emergency number matching apparatus provided in a mobile terminal, the emergency number matching apparatus comprising:
    a storage module (101) for storing an emergency number mapping table, a PLMN list and a current emergency number table;
    a processing module (102) for determining whether a SIM card or USIM card is present, whether a wireless communication function of the mobile terminal is available, and for updating the current emergency number table and PLMN list;
    a wireless communication module (103) for searching a communication network and registering or camping the mobile terminal in the communication network;
    an extraction module (104) for extracting the country code;
    a country code judging module (105) for comparing the current country code obtained by the extracting module with the country code obtained last time by the mobile terminal;
    the query module (106) is used for querying the emergency number mapping table in the storage module according to the current country code to obtain an emergency number list matched with the current country code;
    a calling module (107) for initiating an emergency call according to the emergency number;
    and the emergency number determining module (108) is used for converting the emergency number of the selling place into the corresponding emergency number in the current emergency number table.
  2. The emergency number matching device of claim 1, wherein said emergency number mapping table comprises: country codes of all countries in the world and an emergency number list corresponding to the country codes;
    the current emergency number table is used for storing an emergency number list matched with the country code, and the current emergency number table is updated after the mobile terminal obtains the emergency number list matched with the new country code each time;
    the PLMN list is used for storing public land mobile network information PLMN ID acquired by the mobile terminal from a current registered or resident communication network, the public land mobile network information PLMN ID comprises a country code MCC and an operator code MNC, and the PLMN list is updated after the mobile terminal registers or resides in a new communication network each time.
  3. The emergency number matching device of claim 1, wherein the emergency number determination module (108) comprises:
    a number type determination module (1081) for determining a type of the emergency number of the place of sale dialed by the user;
    and the number conversion module (1082) is used for inquiring the current emergency number list according to the type of the emergency number, obtaining the emergency number consistent with the dialing type, and using the emergency number as the emergency number for the calling module to dial.
  4. A mobile terminal, characterized in that it comprises an emergency number matching device according to any of claims 1-3.
  5. An emergency number matching method, comprising the steps of: the method comprises the steps that an emergency number mapping table is preset in the mobile terminal, and the emergency number mapping table comprises country codes of all countries in the world and an emergency number list corresponding to the country codes;
    the mobile terminal registers to the searched communication network, acquires the public land mobile network information PLMN ID of the communication network, acquires a country code from the public land mobile network information, and queries an emergency number mapping table according to the country code to acquire an emergency number list matched with the country code;
    when the mobile terminal has no card, the mobile terminal resides in the searched communication network, public land mobile network information PLMN ID of the communication network is obtained, a country code is obtained from the public land mobile network information, and an emergency number list matched with the country code is obtained by inquiring an emergency number mapping table according to the country code;
    when the mobile terminal has no card and cannot use the wireless communication function, the mobile terminal queries the emergency number mapping table by adopting the country code obtained when the mobile terminal registers or resides in the communication network for the last time to obtain an emergency number list matched with the country code.
  6. The emergency number matching method of claim 5, wherein the public land mobile network information PLMN ID is stored in a PLMN list, the public land mobile network information PLMN ID includes a country code MCC and an operator code MNC, and the PLMN list is updated after each registration or camping of the mobile terminal on a new communication network.
  7. The emergency number matching method of claim 6, wherein the emergency number list matching the country code is stored in a current emergency number table, and the current emergency number table is updated each time the mobile terminal obtains the emergency number list matching the new country code.
  8. The emergency number matching method of claim 7, wherein after determining the emergency number list matching the country code, if the emergency number dialed by the user is identical to the emergency number in the current emergency number list, an emergency call is directly initiated according to the emergency number; if the emergency number dialed by the user is consistent with the emergency number in the emergency number list corresponding to the country code of the place of sale of the mobile terminal, the emergency number dialed by the user is converted into the corresponding emergency number in the current emergency number list, and a call is initiated according to the converted emergency number.
  9. The method for matching emergency numbers according to claim 8, wherein the method for converting an emergency number dialed by a user to a corresponding emergency number in the current emergency number list comprises the steps of:
    determining the type of the emergency number of the place of sale dialed by the user;
    and inquiring the current emergency number list according to the type of the emergency number, obtaining the emergency number consistent with the dialing type, and using the emergency number as the emergency number for the calling module to dial.
CN201780096288.9A 2017-08-25 2017-08-25 Emergency number matching method and device Pending CN111279670A (en)

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