CN104796964A - Method and device for improving call completion ratio of emergency call of mobile terminal - Google Patents
Method and device for improving call completion ratio of emergency call of mobile terminal Download PDFInfo
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- CN104796964A CN104796964A CN201510118207.3A CN201510118207A CN104796964A CN 104796964 A CN104796964 A CN 104796964A CN 201510118207 A CN201510118207 A CN 201510118207A CN 104796964 A CN104796964 A CN 104796964A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
Abstract
The invention discloses a method for improving the call completion ratio of an emergency call of a mobile terminal. The method comprises the steps: the mobile terminal and a currently-resident public land mobile network establish the emergency call; when the emergency call established by the mobile terminal and the currently-resident public land mobile network fails, other currently-resident public land mobile networks which can be searched by the mobile terminal currently are selected for residence, and the mobile terminal established an emergency call with re-resident other public land mobile networks. The invention further discloses a device for improving the call completion ratio of the emergency call. When the mobile terminal is located in the public land mobile networks which do not support emergency calls, the mobile terminal is not limited in the current public land mobile network which does not support the emergency call, establishes an emergency call and can further try to establish an emergency call with other searchable public land mobile networks, and accordingly the call completion ratio of the emergency call established by the mobile terminal located in the public land mobile network which does not support the emergency call is improved.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of method and the device that improve mobile terminal urgent call call completion ratio.
Background technology
Along with the extensive use of mobile terminal, urgent call has become the conventional means of user when dealing with urgent work.In accordance with international practices, mobile terminal when not plug-in card or SIM card locked namely inserted card but do not inputted PIN code, be can carry out the calling of emergency numbers and urgent call can be successfully established.But the base station of certain operator at present in certain areas, the urgent call of above-mentioned scene may not be supported, such as Xi'an region UNICOM network, when terminal without card or SIM card by lock situation under reside in UNICOM's network, when dialing 110 emergency numbers such as grade, Xi'an region UNICOM network can be refused to carry out Signalling exchange with terminal, and urgent call cannot successfully be set up, and terminal use can be caused to carry out urgent call.
Therefore, in existing Emmergency call method, the urgent call of mobile terminal when plug-in card or SIM card are not locked is not supported in base station due to certain areas operator, when mobile terminal without card or SIM card locked and just in time reside in do not support urgent call operator's base station network in time, then successfully cannot set up urgent call, like this, all mobile terminals under the operator's base station network not supporting urgent call all cannot obtain emergency call service, and Consumer's Experience is poor.
Summary of the invention
Main purpose of the present invention is to propose a kind of method and the device that improve mobile terminal urgent call call completion ratio, is intended to improve the mobile terminal urgent call call completion ratio be under the operator's base station network not supporting urgent call.
For achieving the above object, a kind of method improving mobile terminal urgent call call completion ratio provided by the invention, said method comprising the steps of:
Mobile terminal and current resident public land mobile network set up urgent call;
When mobile terminal and current resident public land mobile network set up urgent call failure, select current other public land mobile networks that can search of described mobile terminal to carry out resident, and set up urgent call with other again resident public land mobile networks.
Preferably, the step that described mobile terminal and current resident public land mobile network set up urgent call comprises:
When no user identification card or subscriber identification card are locked, mobile terminal reporting connection management service request signaling, to current resident public land mobile network, comprises the mobile device international identity code of described mobile terminal in described connection management service request signaling.
Preferably, it is described when mobile terminal and current resident public land mobile network set up urgent call failure, select current other public land mobile networks that can search of described mobile terminal to carry out resident, and comprise with the step that other again resident public land mobile networks set up urgent call:
When mobile terminal receives the connection management service-denial signaling of current resident public land mobile network feedback, traveling through the current all public land mobile networks that can search of described mobile terminal carries out resident, and set up urgent call with the public land mobile network searched, until urgent call is successfully established or complete the foundation of urgent call with all public land mobile networks that can search.
Preferably, it is described when mobile terminal and current resident public land mobile network set up urgent call failure, select current other public land mobile networks that can search of described mobile terminal to carry out resident, and also comprise with the step that other again resident public land mobile networks set up urgent call:
When mobile terminal receives the connection management service-denial signaling of current resident public land mobile network feedback, select that described mobile terminal is current can be searched and other public land mobile networks not in the presets list carry out resident, and set up urgent call with other again resident public land mobile networks; Wherein, described the presets list comprises the unavailable public land mobile network information of pre-recorded urgent call.
Preferably, it is described when mobile terminal and current resident public land mobile network set up urgent call failure, select current other public land mobile networks that can search of described mobile terminal to carry out resident, and also comprise with the step that other again resident public land mobile networks set up urgent call:
When mobile terminal receives the connection management service-denial signaling of current resident public land mobile network feedback, current resident public land mobile network is set to the unavailable public land mobile network of urgent call and current resident public land mobile network information is recorded in the presets list.
In addition, for achieving the above object, the present invention also proposes a kind of device improving urgent call call completion ratio, and the device of described raising urgent call call completion ratio comprises:
Set up module, for setting up urgent call with current resident public land mobile network;
Select module, during for setting up urgent call failure when mobile terminal and current resident public land mobile network, select current other public land mobile networks that can search of described mobile terminal to carry out resident, and set up urgent call with other again resident public land mobile networks.
Preferably, described set up module specifically for:
When no user identification card or subscriber identification card are locked, report connection management service request signaling to current resident public land mobile network, in described connection management service request signaling, comprise the mobile device international identity code of described mobile terminal.
Preferably, described selection module also for:
When mobile terminal receives the connection management service-denial signaling of current resident public land mobile network feedback, traveling through the current all public land mobile networks that can search of described mobile terminal carries out resident, and set up urgent call with the public land mobile network searched, until urgent call is successfully established or complete the foundation of urgent call with all public land mobile networks that can search.
Preferably, described selection module also for:
When mobile terminal receives the connection management service-denial signaling of current resident public land mobile network feedback, select that described mobile terminal is current can be searched and other public land mobile networks not in the presets list carry out resident, and set up urgent call with other again resident public land mobile networks; Wherein, described the presets list comprises the unavailable public land mobile network information of pre-recorded urgent call.
Preferably, described selection module also for:
When mobile terminal receives the connection management service-denial signaling of current resident public land mobile network feedback, current resident public land mobile network is set to the unavailable public land mobile network of urgent call and current resident public land mobile network information is recorded in the presets list.
A kind of method and device improving mobile terminal urgent call call completion ratio that the present invention proposes, when mobile terminal sets up urgent call failure in current resident public land mobile network, continue to select current other public land mobile networks that can search of this mobile terminal to carry out resident, and attempt setting up urgent call with other again resident public land mobile networks, like this, when mobile terminal is in the public land mobile network not supporting urgent call, and not only with current, limitation does not support that the public land mobile network of urgent call sets up urgent call, also can attempt setting up urgent call with other public land mobile networks that can search, thus the urgent call call completion ratio that improve when mobile terminal is in the public land mobile network not supporting urgent call.
Accompanying drawing explanation
Fig. 1 is the hardware configuration schematic diagram of the mobile terminal realizing each embodiment of the present invention;
Fig. 2 is the wireless communication system schematic diagram of mobile terminal as shown in Figure 1;
Fig. 3 is the schematic flow sheet that the present invention improves method one embodiment of mobile terminal urgent call call completion ratio;
Fig. 4 is the high-level schematic functional block diagram that the present invention improves device one embodiment of urgent call call completion ratio.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing.In follow-up description, use the suffix of such as " module ", " parts " or " unit " for representing element only in order to be conducive to explanation of the present invention, itself is specific meaning not.Therefore, " module " and " parts " can mixedly use.
Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can comprise the such as mobile terminal of mobile phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP (portable media player), guider etc. and the fixed terminal of such as digital TV, desktop computer etc.Below, suppose that terminal is mobile terminal.But it will be appreciated by those skilled in the art that except the element except being used in particular for mobile object, structure according to the embodiment of the present invention also can be applied to the terminal of fixed type.
Fig. 1 is the hardware configuration schematic diagram of the mobile terminal realizing each embodiment of the present invention.
Mobile terminal 100 can comprise wireless communication unit 110, A/V (audio/video) input unit 120, user input unit 130, sensing cell 140, output unit 150, memory 160, interface unit 170, controller 180 and power subsystem 190 etc.Fig. 1 shows the mobile terminal with various assembly, it should be understood that, does not require to implement all assemblies illustrated.Can alternatively implement more or less assembly.Will be discussed in more detail below the element of mobile terminal.
Wireless communication unit 110 generally includes one or more assembly, and it allows the radio communication between mobile terminal 100 and wireless communication system or network.Such as, wireless communication unit can comprise at least one in broadcast reception module 111, mobile communication module 112, wireless Internet module 113, short range communication module 114 and positional information module 115.
Broadcast reception module 111 via broadcast channel from external broadcasting management server receiving broadcast signal and/or broadcast related information.Broadcast channel can comprise satellite channel and/or terrestrial channel.Broadcast management server can be generate and send the server of broadcast singal and/or broadcast related information or the broadcast singal generated before receiving and/or broadcast related information and send it to the server of terminal.Broadcast singal can comprise TV broadcast singal, radio signals, data broadcasting signal etc.And broadcast singal may further include the broadcast singal combined with TV or radio signals.Broadcast related information also can provide via mobile communications network, and in this case, broadcast related information can be received by mobile communication module 112.Broadcast singal can exist in a variety of manners, such as, it can exist with the form of the electronic service guidebooks (ESG) of the electronic program guides of DMB (DMB) (EPG), digital video broadcast-handheld (DVB-H) etc.Broadcast reception module 111 can by using the broadcast of various types of broadcast system Received signal strength.Especially, broadcast reception module 111 can by using such as multimedia broadcasting-ground (DMB-T), DMB-satellite (DMB-S), digital video broadcasting-hand-held (DVB-H), the digit broadcasting system receiving digital broadcast of the Radio Data System, received terrestrial digital broadcasting integrated service (ISDB-T) etc. of forward link media (MediaFLO@).Broadcast reception module 111 can be constructed to be applicable to providing the various broadcast system of broadcast singal and above-mentioned digit broadcasting system.The broadcast singal received via broadcast reception module 111 and/or broadcast related information can be stored in memory 160 (or storage medium of other type).
Radio signal is sent at least one in base station (such as, access point, Node B etc.), exterior terminal and server and/or receives radio signals from it by mobile communication module 112.Various types of data that such radio signal can comprise voice call signal, video calling signal or send according to text and/or Multimedia Message and/or receive.
Wireless Internet module 113 supports the Wi-Fi (Wireless Internet Access) of mobile terminal.This module can be inner or be externally couple to terminal.Wi-Fi (Wireless Internet Access) technology involved by this module can comprise WLAN (WLAN) (Wi-Fi), Wibro (WiMAX), Wimax (worldwide interoperability for microwave access), HSDPA (high-speed downlink packet access) etc.
Short range communication module 114 is the modules for supporting junction service.Some examples of short-range communication technology comprise bluetooth
tM, radio-frequency (RF) identification (RFID), Infrared Data Association (IrDA), ultra broadband (UWB), purple honeybee
tMetc..
Positional information module 115 is the modules of positional information for checking or obtain mobile terminal.The typical case of positional information module is GPS (global positioning system).According to current technology, GPS module 115 calculates from the range information of three or more satellite and correct time information and for the Information application triangulation calculated, thus calculates three-dimensional current location information according to longitude, latitude and pin-point accuracy.Current, the method for calculating location and temporal information uses three satellites and by the error of the position that uses an other satellite correction calculation to go out and temporal information.In addition, GPS module 115 can carry out computational speed information by Continuous plus current location information in real time.
A/V input unit 120 is for audio reception or vision signal.A/V input unit 120 can comprise camera 121 and microphone 122, and the view data of camera 121 to the static images obtained by image capture apparatus in Video Capture pattern or image capture mode or video processes.Picture frame after process may be displayed on display unit 151.Picture frame after camera 121 processes can be stored in memory 160 (or other storage medium) or via wireless communication unit 110 and send, and can provide two or more cameras 1210 according to the structure of mobile terminal.Such acoustic processing can via microphones sound (voice data) in telephone calling model, logging mode, speech recognition mode etc. operational mode, and can be voice data by microphone 122.Audio frequency (voice) data after process can be converted to the formatted output that can be sent to mobile communication base station via mobile communication module 112 when telephone calling model.Microphone 122 can be implemented various types of noise and eliminate (or suppress) algorithm and receiving and sending to eliminate (or suppression) noise or interference that produce in the process of audio signal.
User input unit 130 can generate key input data to control the various operations of mobile terminal according to the order of user's input.User input unit 130 allows user to input various types of information, and keyboard, the young sheet of pot, touch pad (such as, detecting the touch-sensitive assembly of the change of the resistance, pressure, electric capacity etc. that cause owing to being touched), roller, rocking bar etc. can be comprised.Especially, when touch pad is superimposed upon on display unit 151 as a layer, touch-screen can be formed.
Sensing cell 140 detects the current state of mobile terminal 100, (such as, mobile terminal 100 open or close state), the position of mobile terminal 100, user for mobile terminal 100 contact (namely, touch input) presence or absence, the orientation of mobile terminal 100, the acceleration or deceleration of mobile terminal 100 move and direction etc., and generate order or the signal of the operation for controlling mobile terminal 100.Such as, when mobile terminal 100 is embodied as sliding-type mobile phone, sensing cell 140 can sense this sliding-type phone and open or close.In addition, whether whether sensing cell 140 can detect power subsystem 190 provides electric power or interface unit 170 to couple with external device (ED).Sensing cell 140 can comprise proximity transducer 1410 and will be described this in conjunction with touch-screen below.
Interface unit 170 is used as at least one external device (ED) and is connected the interface that can pass through with mobile terminal 100.Such as, external device (ED) can comprise wired or wireless head-band earphone port, external power source (or battery charger) port, wired or wireless FPDP, memory card port, for connecting the port, audio frequency I/O (I/O) port, video i/o port, ear port etc. of the device with identification module.Identification module can be that storage uses the various information of mobile terminal 100 for authentication of users and can comprise subscriber identification module (UIM), client identification module (SIM), Universal Subscriber identification module (USIM) etc.In addition, the device (hereinafter referred to " recognition device ") with identification module can take the form of smart card, and therefore, recognition device can be connected with mobile terminal 100 via port or other jockey.Interface unit 170 may be used for receive from external device (ED) input (such as, data message, electric power etc.) and the input received be transferred to the one or more element in mobile terminal 100 or may be used for transmitting data between mobile terminal and external device (ED).
In addition, when mobile terminal 100 is connected with external base, interface unit 170 can be used as to allow by it electric power to be provided to the path of mobile terminal 100 from base or can be used as the path that allows to be transferred to mobile terminal by it from the various command signals of base input.The various command signal inputted from base or electric power can be used as and identify whether mobile terminal is arranged on the signal base exactly.Output unit 150 is constructed to provide output signal (such as, audio signal, vision signal, alarm signal, vibration signal etc.) with vision, audio frequency and/or tactile manner.Output unit 150 can comprise display unit 151, dio Output Modules 152, alarm unit 153 etc.
Display unit 151 may be displayed on the information of process in mobile terminal 100.Such as, when mobile terminal 100 is in telephone calling model, display unit 151 can show with call or other communicate (such as, text messaging, multimedia file are downloaded etc.) be correlated with user interface (UI) or graphic user interface (GUI).When mobile terminal 100 is in video calling pattern or image capture mode, display unit 151 can the image of display capture and/or the image of reception, UI or GUI that video or image and correlation function are shown etc.
Meanwhile, when display unit 151 and touch pad as a layer superposed on one another to form touch-screen time, display unit 151 can be used as input unit and output device.Display unit 151 can comprise at least one in liquid crystal display (LCD), thin-film transistor LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc.Some in these displays can be constructed to transparence and watch from outside to allow user, and this can be called transparent display, and typical transparent display can be such as TOLED (transparent organic light emitting diode) display etc.According to the specific execution mode wanted, mobile terminal 100 can comprise two or more display units (or other display unit), such as, mobile terminal can comprise outernal display unit (not shown) and inner display unit (not shown).Touch-screen can be used for detecting touch input pressure and touch input position and touch and inputs area.
When dio Output Modules 152 can be under the isotypes such as call signal receiving mode, call mode, logging mode, speech recognition mode, broadcast reception mode at mobile terminal, voice data convert audio signals that is that wireless communication unit 110 is received or that store in memory 160 and exporting as sound.And dio Output Modules 152 can provide the audio frequency relevant to the specific function that mobile terminal 100 performs to export (such as, call signal receives sound, message sink sound etc.).Dio Output Modules 152 can comprise loud speaker, buzzer etc.
Alarm unit 153 can provide and export that event informed to mobile terminal 100.Typical event can comprise calling reception, message sink, key signals input, touch input etc.Except audio or video exports, alarm unit 153 can provide in a different manner and export with the generation of notification event.Such as, alarm unit 153 can provide output with the form of vibration, when receive calling, message or some other enter communication (incomingcommunication) time, alarm unit 153 can provide sense of touch to export (that is, vibrating) to notify to user.By providing such sense of touch to export, even if when the mobile phone of user is in the pocket of user, user also can identify the generation of various event.Alarm unit 153 also can provide the output of the generation of notification event via display unit 151 or dio Output Modules 152.
Memory 160 software program that can store process and the control operation performed by controller 180 etc., or temporarily can store oneself through exporting the data (such as, telephone directory, message, still image, video etc.) that maybe will export.And, memory 160 can store about when touch be applied to touch-screen time the vibration of various modes that exports and the data of audio signal.
Memory 160 can comprise the storage medium of at least one type, described storage medium comprises flash memory, hard disk, multimedia card, card-type memory (such as, SD or DX memory etc.), random access storage device (RAM), static random-access memory (SRAM), read-only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory (PROM), magnetic storage, disk, CD etc.And mobile terminal 100 can be connected the memory function of execute store 160 network storage device with by network cooperates.
Controller 180 controls the overall operation of mobile terminal usually.Such as, controller 180 performs the control relevant to voice call, data communication, video calling etc. and process.In addition, controller 180 can comprise the multi-media module 1810 for reproducing (or playback) multi-medium data, and multi-media module 1810 can be configured in controller 180, or can be configured to be separated with controller 180.Controller 180 can pattern recognition process, is identified as character or image so that input is drawn in the handwriting input performed on the touchscreen or picture.
Power subsystem 190 receives external power or internal power and provides each element of operation and the suitable electric power needed for assembly under the control of controller 180.
Various execution mode described herein can to use such as computer software, the computer-readable medium of hardware or its any combination implements.For hardware implementation, execution mode described herein can by using application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), processor, controller, microcontroller, microprocessor, being designed at least one performed in the electronic unit of function described herein and implementing, in some cases, such execution mode can be implemented in controller 180.For implement software, the execution mode of such as process or function can be implemented with allowing the independent software module performing at least one function or operation.Software code can be implemented by the software application (or program) write with any suitable programming language, and software code can be stored in memory 160 and to be performed by controller 180.
So far, oneself is through the mobile terminal according to its functional description.Below, for the sake of brevity, by the slide type mobile terminal that describes in various types of mobile terminals of such as folded form, board-type, oscillating-type, slide type mobile terminal etc. exemplarily.Therefore, the present invention can be applied to the mobile terminal of any type, and is not limited to slide type mobile terminal.
Mobile terminal 100 as shown in Figure 1 can be constructed to utilize and send the such as wired and wireless communication system of data via frame or grouping and satellite-based communication system operates.
Describe wherein according to the communication system that mobile terminal of the present invention can operate referring now to Fig. 2.
Such communication system can use different air interfaces and/or physical layer.Such as, the air interface used by communication system comprises such as frequency division multiple access (FDMA), time division multiple access (TDMA), code division multiple access (CDMA) and universal mobile telecommunications system (UMTS) (especially, Long Term Evolution (LTE)), global system for mobile communications (GSM) etc.As non-limiting example, description below relates to cdma communication system, but such instruction is equally applicable to the system of other type.
With reference to figure 2, cdma wireless communication system can comprise multiple mobile terminal 100, multiple base station (BS) 270, base station controller (BSC) 275 and mobile switching centre (MSC) 2800MSC 280 and be constructed to form interface with Public Switched Telephony Network (PSTN) 290.MSC 280 is also constructed to form interface with the BSC 275 that can be couple to base station 270 via back haul link.Back haul link can construct according to any one in some interfaces that oneself knows, described interface comprises such as E1/T1, ATM, IP, PPP, frame relay, HDSL, ADSL or xDSL.Will be appreciated that system as shown in Figure 2 can comprise multiple BSC2750.
Each BS 270 can serve one or more subregion (or region), by multidirectional antenna or point to specific direction each subregion of antenna cover radially away from BS 270.Or each subregion can by two or more antenna covers for diversity reception.Each BS 270 can be constructed to support multiple parallel compensate, and each parallel compensate has specific frequency spectrum (such as, 1.25MHz, 5MHz etc.).
Subregion can be called as CDMA Channel with intersecting of parallel compensate.BS 270 also can be called as base station transceiver subsystem (BTS) or other equivalent terms.Under these circumstances, term " base station " may be used for broadly representing single BSC 275 and at least one BS 270.Base station also can be called as " cellular station ".Or each subregion of particular B S270 can be called as multiple cellular station.
As shown in Figure 2, broadcast singal is sent to the mobile terminal 100 at operate within systems by broadcsting transmitter (BT) 295.Broadcast reception module 111 as shown in Figure 1 is arranged on mobile terminal 100 and sentences the broadcast singal receiving and sent by BT 295.In fig. 2, several global positioning system (GPS) satellite 300 is shown.Satellite 300 helps at least one in the multiple mobile terminal 100 in location.
In fig. 2, depict multiple satellite 300, but understand, the satellite of any number can be utilized to obtain useful locating information.GPS module 115 as shown in Figure 1 is constructed to coordinate to obtain the locating information wanted with satellite 300 usually.Substitute GPS tracking technique or outside GPS tracking technique, can use can other technology of position of tracking mobile terminal.In addition, at least one gps satellite 300 optionally or extraly can process satellite dmb transmission.
As a typical operation of wireless communication system, BS 270 receives the reverse link signal from various mobile terminal 100.Mobile terminal 100 participates in call usually, information receiving and transmitting communicates with other type.Each reverse link signal that certain base station 270 receives is processed by particular B S 270.The data obtained are forwarded to relevant BSC 275.BSC provides call Resourse Distribute and comprises the mobile management function of coordination of the soft switching process between BS 270.The data received also are routed to MSC 280 by BSC 275, and it is provided for the extra route service forming interface with PSTN 290.Similarly, PSTN 290 and MSC 280 form interface, and MSC and BSC 275 forms interface, and BSC 275 correspondingly control BS270 so that forward link signals is sent to mobile terminal 100.
Based on above-mentioned mobile terminal hardware configuration and communication system, each embodiment of method that the present invention improves mobile terminal urgent call call completion ratio is proposed.
As shown in Figure 3, improve in an embodiment of the method for mobile terminal urgent call call completion ratio in the present invention, the method for this raising mobile terminal urgent call call completion ratio comprises:
Step S10, mobile terminal and current resident public land mobile network set up urgent call;
In the present embodiment, when no user identification card (SIM card) or SIM card are locked, mobile terminal can find an acceptable cell to carry out resident, and obtains finiteness service limited service, under this service state, mobile terminal can only carry out urgent call.When mobile terminal needs to carry out urgent call, connection management service request CM service request signaling can be reported to be also current resident public land mobile network PLMN to current persistent district, in this CM service request signaling, to include the mobile device international identity code IMEI of mobile terminal.Wherein, undertaken identifying and distinguishing by PLMN ID between public land mobile network PLMN, the PLMN ID as China Mobile is 46000, and the PLMN ID of CHINAUNICOM is 46001, same area often covers multiple PLMN, and mobile terminal identifies different PLMN by PLMN ID.
Step S20, when mobile terminal and current resident public land mobile network set up urgent call failure, select current other public land mobile networks that can search of described mobile terminal to carry out resident, and set up urgent call with other again resident public land mobile networks.
If the IMEI in the CM service request signaling that current resident PLMN uploads according to mobile terminal feeds back to mobile terminal connection management service-denial CM service reject signaling, then illustrate that the current resident PLMN of mobile terminal does not support its emergency call service, then mobile terminal and current resident PLMN set up urgent call failure, cannot carry out urgent call in current resident PLMN.Mobile terminal starts to search for current other PLMN that can search, and selection is carried out resident in other PLMN, attempts setting up urgent call, to find other PLMN that successfully can set up urgent call in its hunting zone with other again resident PLMN.
In the present embodiment when mobile terminal sets up urgent call failure in current resident public land mobile network, continue to select current other public land mobile networks that can search of this mobile terminal to carry out resident, and attempt setting up urgent call with other again resident public land mobile networks, like this, when mobile terminal is in the public land mobile network not supporting urgent call, and not only with current, limitation does not support that the public land mobile network of urgent call sets up urgent call, also can attempt setting up urgent call with other public land mobile networks that can search, thus the urgent call call completion ratio that improve when mobile terminal is in the public land mobile network not supporting urgent call.
Further, in other embodiments, in above-mentioned steps S20, when mobile terminal receives the connection management service-denial signaling of current resident public land mobile network feedback, traveling through the current all public land mobile networks that can search of described mobile terminal carries out resident, and set up urgent call with the public land mobile network searched, until urgent call is successfully established or complete the foundation of urgent call with all public land mobile networks that can search.
In the present embodiment, when mobile terminal cannot carry out urgent call in current resident PLMN, travel through the current all PLMN that can search of described mobile terminal, and attempt setting up urgent call with each PLMN searched, till being successfully established until urgent call or all attempting having carried out the foundation of urgent call with all PLMN that can search.In the present embodiment, current all PLMN that can search all attempt the foundation carrying out urgent call with described mobile terminal, improve the urgent call call completion ratio of mobile terminal under current residing network environment to greatest extent.
Further, in other embodiments, above-mentioned steps S20 can also comprise: when mobile terminal receives the connection management service-denial signaling of current resident public land mobile network feedback, select that described mobile terminal is current can be searched and other public land mobile networks not in the presets list carry out resident, and set up urgent call with other again resident public land mobile networks; Wherein, described the presets list comprises the unavailable public land mobile network information of pre-recorded urgent call.
In the present embodiment, when mobile terminal cannot carry out urgent call in current resident PLMN, in the current all PLMN that can search of mobile terminal, the PLMN not in the presets list is selected to attempt setting up urgent call.In the present embodiment, when selecting to attempt setting up urgent call with other PLMN, first the current all PLMN that can search of described mobile terminal are screened, only attempt carrying out urgent call foundation with the PLMN not in the presets list, described the presets list comprises the unavailable PLMN information of pre-recorded urgent call, and the PLMN recorded in described the presets list is the unavailable PLMN that cannot support urgent call.After PLMN being screened by described the presets list, mobile terminal can be avoided attempting carrying out urgent call foundation with the unavailable PLMN recorded, and only with likely support the PLMN of urgent call to attempt to carry out urgent call foundation, improve the efficiency that mobile terminal successfully sets up urgent call, save the time of searching for available PLMN.
Further, in other embodiments, above-mentioned steps S20 can also comprise: when mobile terminal receives the connection management service-denial signaling of current resident public land mobile network feedback, current resident public land mobile network is set to the unavailable public land mobile network of urgent call and current resident public land mobile network information is recorded in the presets list.
In the present embodiment, when mobile terminal cannot carry out urgent call in current resident PLMN, current resident PLMN is set to the unavailable PLMN of urgent call and current resident PLMN information is recorded in the presets list, for subsequent movement terminal when the PLMN searched it screens, unavailable PLMN in the PLMN that can be searched according to the presets list screens out, and successfully sets up the efficiency of urgent call with lifting mobile terminal.
The present invention further provides a kind of device improving urgent call call completion ratio, with reference to Fig. 4, improve in an embodiment of the device of urgent call call completion ratio in the present invention, the device of this raising urgent call call completion ratio comprises:
Set up module 01, for setting up urgent call with current resident public land mobile network;
In the present embodiment, when no user identification card (SIM card) or SIM card are locked, mobile terminal can find an acceptable cell to carry out resident, and obtains finiteness service limited service, under this service state, mobile terminal can only carry out urgent call.When mobile terminal needs to carry out urgent call, connection management service request CM service request signaling can be reported to be also current resident public land mobile network PLMN to current persistent district, in this CM service request signaling, to include the mobile device international identity code IMEI of mobile terminal.Wherein, undertaken identifying and distinguishing by PLMN ID between public land mobile network PLMN, the PLMN ID as China Mobile is 46000, and the PLMN ID of CHINAUNICOM is 46001, same area often covers multiple PLMN, and mobile terminal identifies different PLMN by PLMN ID.
Select module 02, during for setting up urgent call failure when mobile terminal and current resident public land mobile network, select current other public land mobile networks that can search of described mobile terminal to carry out resident, and set up urgent call with other again resident public land mobile networks.
If the IMEI in the CM service request signaling that current resident PLMN uploads according to mobile terminal feeds back to mobile terminal connection management service-denial CM service reject signaling, then illustrate that the current resident PLMN of mobile terminal does not support its emergency call service, then mobile terminal and current resident PLMN set up urgent call failure, cannot carry out urgent call in current resident PLMN.Mobile terminal starts to search for current other PLMN that can search, and selection is carried out resident in other PLMN, attempts setting up urgent call, to find other PLMN that successfully can set up urgent call in its hunting zone with other again resident PLMN.
In the present embodiment when mobile terminal sets up urgent call failure in current resident public land mobile network, continue to select current other public land mobile networks that can search of this mobile terminal to carry out resident, and attempt setting up urgent call with other again resident public land mobile networks, like this, when mobile terminal is in the public land mobile network not supporting urgent call, and not only with current, limitation does not support that the public land mobile network of urgent call sets up urgent call, also can attempt setting up urgent call with other public land mobile networks that can search, thus the urgent call call completion ratio that improve when mobile terminal is in the public land mobile network not supporting urgent call.
Further, in other embodiments, above-mentioned selection module 02 also for: when mobile terminal receive current resident public land mobile network feedback connection management service-denial signaling time, traveling through the current all public land mobile networks that can search of described mobile terminal carries out resident, and set up urgent call with the public land mobile network searched, until urgent call is successfully established or complete the foundation of urgent call with all public land mobile networks that can search.
In the present embodiment, when mobile terminal cannot carry out urgent call in current resident PLMN, travel through the current all PLMN that can search of described mobile terminal, and attempt setting up urgent call with each PLMN searched, till being successfully established until urgent call or all attempting having carried out the foundation of urgent call with all PLMN that can search.In the present embodiment, current all PLMN that can search all attempt the foundation carrying out urgent call with described mobile terminal, improve the urgent call call completion ratio of mobile terminal under current residing network environment to greatest extent.
Further, in other embodiments, above-mentioned selection module 02 also for: when mobile terminal receive current resident public land mobile network feedback connection management service-denial signaling time, select that described mobile terminal is current can be searched and other public land mobile networks not in the presets list carry out resident, and set up urgent call with other again resident public land mobile networks; Wherein, described the presets list comprises the unavailable public land mobile network information of pre-recorded urgent call.
In the present embodiment, when mobile terminal cannot carry out urgent call in current resident PLMN, in the current all PLMN that can search of mobile terminal, the PLMN not in the presets list is selected to attempt setting up urgent call.In the present embodiment, when selecting to attempt setting up urgent call with other PLMN, first the current all PLMN that can search of described mobile terminal are screened, only attempt carrying out urgent call foundation with the PLMN not in the presets list, described the presets list comprises the unavailable PLMN information of pre-recorded urgent call, and the PLMN recorded in described the presets list is the unavailable PLMN that cannot support urgent call.After PLMN being screened by described the presets list, mobile terminal can be avoided attempting carrying out urgent call foundation with the unavailable PLMN recorded, and only with likely support the PLMN of urgent call to attempt to carry out urgent call foundation, improve the efficiency that mobile terminal successfully sets up urgent call, save the time of searching for available PLMN.
Further, in other embodiments, above-mentioned selection module 02 also for: when mobile terminal receive current resident public land mobile network feedback connection management service-denial signaling time, current resident public land mobile network is set to the unavailable public land mobile network of urgent call and current resident public land mobile network information is recorded in the presets list.
In the present embodiment, when mobile terminal cannot carry out urgent call in current resident PLMN, current resident PLMN is set to the unavailable PLMN of urgent call and current resident PLMN information is recorded in the presets list, for subsequent movement terminal when the PLMN searched it screens, unavailable PLMN in the PLMN that can be searched according to the presets list screens out, and successfully sets up the efficiency of urgent call with lifting mobile terminal.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or device and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or device.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the device comprising this key element and also there is other identical element.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that above-described embodiment method can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium (as ROM/RAM, magnetic disc, CD), comprising some instructions in order to make a station terminal equipment (can be mobile phone, computer, server, air conditioner, or the network equipment etc.) perform method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. improve a method for mobile terminal urgent call call completion ratio, it is characterized in that, said method comprising the steps of:
Mobile terminal and current resident public land mobile network set up urgent call;
When mobile terminal and current resident public land mobile network set up urgent call failure, select current other public land mobile networks that can search of described mobile terminal to carry out resident, and set up urgent call with other again resident public land mobile networks.
2. the method improving mobile terminal urgent call call completion ratio as claimed in claim 1, it is characterized in that, the step that described mobile terminal and current resident public land mobile network set up urgent call comprises:
When no user identification card or subscriber identification card are locked, mobile terminal reporting connection management service request signaling, to current resident public land mobile network, comprises the mobile device international identity code of described mobile terminal in described connection management service request signaling.
3. the method improving mobile terminal urgent call call completion ratio as claimed in claim 1 or 2, it is characterized in that, it is described when mobile terminal and current resident public land mobile network set up urgent call failure, select current other public land mobile networks that can search of described mobile terminal to carry out resident, and comprise with the step that other again resident public land mobile networks set up urgent call:
When mobile terminal receives the connection management service-denial signaling of current resident public land mobile network feedback, traveling through the current all public land mobile networks that can search of described mobile terminal carries out resident, and set up urgent call with the public land mobile network searched, until urgent call is successfully established or complete the foundation of urgent call with all public land mobile networks that can search.
4. the method improving mobile terminal urgent call call completion ratio as claimed in claim 3, it is characterized in that, it is described when mobile terminal and current resident public land mobile network set up urgent call failure, select current other public land mobile networks that can search of described mobile terminal to carry out resident, and also comprise with the step that other again resident public land mobile networks set up urgent call:
When mobile terminal receives the connection management service-denial signaling of current resident public land mobile network feedback, select that described mobile terminal is current can be searched and other public land mobile networks not in the presets list carry out resident, and set up urgent call with other again resident public land mobile networks; Wherein, described the presets list comprises the unavailable public land mobile network information of pre-recorded urgent call.
5. the method improving mobile terminal urgent call call completion ratio as claimed in claim 4, it is characterized in that, it is described when mobile terminal and current resident public land mobile network set up urgent call failure, select current other public land mobile networks that can search of described mobile terminal to carry out resident, and also comprise with the step that other again resident public land mobile networks set up urgent call:
When mobile terminal receives the connection management service-denial signaling of current resident public land mobile network feedback, current resident public land mobile network is set to the unavailable public land mobile network of urgent call and current resident public land mobile network information is recorded in the presets list.
6. improve a device for urgent call call completion ratio, it is characterized in that, the device of described raising urgent call call completion ratio comprises:
Set up module, for setting up urgent call with current resident public land mobile network;
Select module, during for setting up urgent call failure when mobile terminal and current resident public land mobile network, select current other public land mobile networks that can search of described mobile terminal to carry out resident, and set up urgent call with other again resident public land mobile networks.
7. the as claimed in claim 6 device improving urgent call call completion ratio, is characterized in that, described set up module specifically for:
When no user identification card or subscriber identification card are locked, report connection management service request signaling to current resident public land mobile network, in described connection management service request signaling, comprise the mobile device international identity code of described mobile terminal.
8. the device of raising urgent call call completion ratio as claimed in claims 6 or 7, is characterized in that, described selection module also for:
When mobile terminal receives the connection management service-denial signaling of current resident public land mobile network feedback, traveling through the current all public land mobile networks that can search of described mobile terminal carries out resident, and set up urgent call with the public land mobile network searched, until urgent call is successfully established or complete the foundation of urgent call with all public land mobile networks that can search.
9. the as claimed in claim 8 device improving urgent call call completion ratio, is characterized in that, described selection module also for:
When mobile terminal receives the connection management service-denial signaling of current resident public land mobile network feedback, select that described mobile terminal is current can be searched and other public land mobile networks not in the presets list carry out resident, and set up urgent call with other again resident public land mobile networks; Wherein, described the presets list comprises the unavailable public land mobile network information of pre-recorded urgent call.
10. the as claimed in claim 9 device improving urgent call call completion ratio, is characterized in that, described selection module also for:
When mobile terminal receives the connection management service-denial signaling of current resident public land mobile network feedback, current resident public land mobile network is set to the unavailable public land mobile network of urgent call and current resident public land mobile network information is recorded in the presets list.
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| CN201510118207.3A CN104796964A (en) | 2015-03-17 | 2015-03-17 | Method and device for improving call completion ratio of emergency call of mobile terminal |
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| CN201510118207.3A CN104796964A (en) | 2015-03-17 | 2015-03-17 | Method and device for improving call completion ratio of emergency call of mobile terminal |
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| CN104796964A true CN104796964A (en) | 2015-07-22 |
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Application publication date: 20150722 |