CN111970737A

CN111970737A - Call control method, device and computer readable storage medium

Info

Publication number: CN111970737A
Application number: CN202010825575.2A
Authority: CN
Inventors: 张建明
Original assignee: Nubia Technology Co Ltd
Current assignee: Nubia Technology Co Ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2020-11-20
Anticipated expiration: 2040-08-17
Also published as: CN111970737B

Abstract

The invention discloses a call control method, a device and a computer readable storage medium, wherein the method comprises the following steps: setting a timer in the process of circuit switched fallback calling; then, executing the searching operation of the new cell within the timing time of the timer, wherein if the searched location area identification code of the new cell is different from the location area identification code before the circuit domain falls back, sending a location updating request to the network; and finally, carrying the call drop-back success rate parameter in the position updating request, and resending the call request after the network updating is completed. The method and the device realize a humanized call control scheme, improve the success rate of the circuit switched fallback call or call, avoid long-time waiting of the user under the condition of poor network and enhance the user experience.

Description

Call control method, device and computer readable storage medium

Technical Field

The present invention relates to the field of mobile communications, and in particular, to a call control method, device and computer-readable storage medium.

Background

In the prior art, with the rapid development of intelligent terminal devices, more and more terminal devices start to support a 5G network, but the coverage of the existing 5G network is not perfect enough, so that a user may need to fall back to a 2G network or a 3G network for call connection when using the 5G network for call. However, in the prior art, when the terminal device performs circuit switched fallback, it may not be able to establish a connection with a new cell, or even if the terminal device establishes a connection with a new cell, it may not perform subsequent signaling interaction, and therefore, a situation that an incoming call fails after fallback may be sent, thereby affecting user experience.

Disclosure of Invention

In order to solve the technical defects in the prior art, the invention provides a call control method, which comprises the following steps:

setting a timer in the process of circuit switched fallback calling;

performing a search operation for a new cell within a timing time of the timer, wherein,

if the location area identification code of the new cell searched is different from the location area identification code before the circuit switched fallback, sending a location updating request to the network;

and carrying the call drop-back success rate parameter in the location updating request, and resending the call request after the network updating is completed.

Optionally, the performing a search operation of a new cell within a timing time of the timer includes:

after searching a new cell, judging whether the connection with the new cell is established;

if the connection with the new cell is not established, the search operation of the new cell is continuously executed.

Optionally, the performing a search operation of a new cell within a timing time of the timer further includes:

after searching a new cell, if the connection with the new cell is established, judging whether the signaling interaction is finished;

and if the signaling interaction is not finished, continuing to execute the searching operation of the new cell.

after searching a new cell, if the connection with the new cell is established, determining whether the new cell is the same as the location area of the cell before the circuit switched fallback;

if the location areas are the same, sending a call response to the network;

and if the call response is failed to be sent, continuing to execute the search operation of the new cell.

if the location areas are different, sending a location updating injection and measurement request to a network;

and if the sending of the position updating injection and measurement request fails, or the sending of the call response request to the network fails after the sending of the position updating injection and measurement request succeeds, continuing to execute the searching operation of the new cell.

The invention also proposes a call control device comprising a memory, a processor and a computer program stored on said memory and executable on said processor, said computer program realizing, when executed by said processor:

setting a timer in the process of circuit switched fallback calling;

Optionally, the computer program when executed by the processor implements:

if the location areas are the same, sending a call response to the network;

if the call response is failed to be sent, continuing to execute the search operation of the new cell;

The invention also proposes a computer-readable storage medium having stored thereon a call control program which, when executed by a processor, implements the steps of the call control method according to any one of the preceding claims.

The call control method, the device and the computer readable storage medium of the invention are implemented by setting a timer in the process of falling back the call in the circuit domain; then, executing the searching operation of the new cell within the timing time of the timer, wherein if the searched location area identification code of the new cell is different from the location area identification code before the circuit domain falls back, sending a location updating request to the network; and finally, carrying the call drop-back success rate parameter in the position updating request, and resending the call request after the network updating is completed. The method and the device realize a humanized call control scheme, improve the success rate of the circuit switched fallback call or call, avoid long-time waiting of the user under the condition of poor network and enhance the user experience.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

fig. 1 is a schematic diagram of a hardware structure of a mobile terminal according to the present invention;

fig. 2 is a communication network system architecture diagram provided by an embodiment of the present invention;

FIG. 3 is a flow chart of a first embodiment of a call control method of the present invention;

FIG. 4 is a flow chart of a second embodiment of the call control method of the present invention;

fig. 5 is a flowchart of a third embodiment of the call control method of the present invention;

fig. 6 is a flowchart of a fourth embodiment of the call control method of the present invention;

fig. 7 is a flowchart of a fifth embodiment of the call control method of the present invention.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.

The 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 tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.

The following description will be given by way of example of a mobile terminal, 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.

Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.

The following describes each component of the mobile terminal in detail with reference to fig. 1:

the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).

WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.

The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.

The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.

The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.

The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.

The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.

Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.

The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.

The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.

The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.

Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.

In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based is described below.

Referring to fig. 2, fig. 2 is an architecture diagram of a communication Network system according to an embodiment of the present invention, where the communication Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.

Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.

The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Among them, the eNodeB2021 may be connected with other eNodeB2022 through backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.

The EPC203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving gateway) 2034, a PGW (PDN gateway) 2035, and a PCRF (Policy and Charging Rules Function) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).

The IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem), or other IP services, among others.

Although the LTE system is described as an example, it should be understood by those skilled in the art that the present invention is not limited to the LTE system, but may also be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.

Based on the above mobile terminal hardware structure and communication network system, the present invention provides various embodiments of the method.

Example one

Fig. 3 is a flowchart of a first embodiment of a call control method of the present invention. A method of call control, the method comprising:

s1, setting a timer in the call process of circuit switched fallback;

s2, performing a search operation of the new cell within the timing time of the timer, wherein,

s3, if the location area identification code of the new cell searched is different from the location area identification code before the circuit switched fallback, sending a location updating request to the network;

and S4, carrying the call drop-back success rate parameter in the location updating request, and resending the call request after the network updating is completed.

In this embodiment, first, a timer is set during the cs fallback call; then, executing the searching operation of the new cell within the timing time of the timer, wherein if the searched location area identification code of the new cell is different from the location area identification code before the circuit domain falls back, sending a location updating request to the network; and finally, carrying the call drop-back success rate parameter in the position updating request, and resending the call request after the network updating is completed.

Specifically, in this embodiment, in the process of an incoming call or a call dropped from the circuit domain, a timer is set, for example, the timing time of the timer is set to be between 10 seconds and 20 seconds, optionally, the timing time of the timer is set to be 15 seconds, or the corresponding timing time is determined according to different applicable scenarios, or the corresponding timing time is determined according to different network environment parameters, or the corresponding timing time is determined according to the waiting requirement of the incoming call or the call of the user. In this embodiment, after setting a timer, performing a search operation of a new cell within a timing time of the timer, wherein if a location area identifier of the new cell searched is different from a location area identifier before the circuit switched fallback, sending a location update request to a network; and finally, carrying the call drop-back success rate parameter in the position updating request, and resending the call request after the network updating is completed. Optionally, the searching operation of the new cell is executed within a timing time of the timer, wherein if the searched new cell cannot be connected, or if the subsequent signaling interaction cannot be completed after the connection, the searching operation of the new cell is executed again within the timing time. Optionally, the search operation of the new cell is executed within the timing time of the timer, wherein if the searched new cell cannot be connected, or the subsequent signaling interaction cannot be completed after the connection, it is determined whether the search operation of the new cell is completed for one time within the remaining time of the timing time, if so, the search operation of the new cell is executed again, and if not, the call is cancelled, so that the user is prevented from waiting for connection for a long time.

The embodiment has the advantages that a timer is set in the circuit switched fallback calling process; then, executing the searching operation of the new cell within the timing time of the timer, wherein if the searched location area identification code of the new cell is different from the location area identification code before the circuit domain falls back, sending a location updating request to the network; and finally, carrying the call drop-back success rate parameter in the position updating request, and resending the call request after the network updating is completed. The method and the device realize a humanized call control scheme, improve the success rate of the circuit switched fallback call or call, avoid long-time waiting of the user under the condition of poor network and enhance the user experience.

Example two

Fig. 4 is a flowchart of a second embodiment of the call control method according to the present invention, based on the above embodiments, in order to further determine to perform the new cell search operation within the timing time of the timer, in this embodiment:

s21, after searching the new cell, judging whether the connection with the new cell is established;

s22, if no connection with the new cell is established, the search operation of the new cell is continued.

In this embodiment, first, after a new cell is searched, whether a connection with the new cell is established is determined; then, if the connection with the new cell is not established, the search operation of the new cell is continuously performed.

Optionally, in the timing time of the timer, after a new cell is searched, whether a connection with the new cell is established is determined in the same timing time;

optionally, if the connection with the new cell is not established, in the remaining time of the timing time, whether the search operation of the new cell is completed once or not is enough, if so, the search operation of the new cell is started again, and if not, the call is cancelled, so that the user is prevented from waiting for connection for a long time.

The embodiment has the advantages that after a new cell is searched, whether the connection with the new cell is established or not is judged; then, if the connection with the new cell is not established, the search operation of the new cell is continuously performed. The method and the device realize a humanized call control scheme, provide a judgment basis and judgment conditions for subsequent call flows, improve the success rate of incoming calls or calls dropped by a circuit domain, avoid long-time waiting of users under the condition of poor network and enhance the user experience.

EXAMPLE III

Fig. 5 is a flowchart of a third embodiment of the call control method according to the present invention, based on the above embodiments, in order to further determine to perform a new cell search operation within the timing time of the timer, in this embodiment:

s23, after searching a new cell, if the connection with the new cell is established, judging whether the signaling interaction is completed;

and S24, if the signaling interaction is not completed, continuing to execute the searching operation of the new cell.

In this embodiment, first, after a new cell is searched, if a connection with the new cell is established, it is determined whether signaling interaction is completed; and then, if the signaling interaction is not finished, continuing to execute the searching operation of the new cell.

Optionally, after a new cell is searched, if the connection with the new cell is established, determining whether signaling interaction is completed within the remaining timing time;

optionally, if the signaling interaction is not completed, it is determined whether the signaling interaction is sufficient to complete a search operation of a new cell within the remaining time of the timing time, if so, the search operation of the new cell is started again, and if not, the call is cancelled, so that the user is prevented from waiting for connection for a long time.

The embodiment has the advantages that after a new cell is searched, if the connection with the new cell is established, whether signaling interaction is finished is judged; and then, if the signaling interaction is not finished, continuing to execute the searching operation of the new cell. The method and the device realize a humanized call control scheme, provide a judgment basis and judgment conditions for subsequent call flows, improve the success rate of incoming calls or calls dropped by a circuit domain, avoid long-time waiting of users under the condition of poor network and enhance the user experience.

Example four

Fig. 6 is a flowchart of a fourth embodiment of the call control method of the present invention, based on the above embodiments, in order to further determine to perform the new cell search operation within the timing time of the timer, in this embodiment:

s25, after searching a new cell, if the connection with the new cell is established, determining whether the location areas of the new cell and the cell before the circuit switched fallback are the same;

s26, if the location areas are the same, sending a call response to the network;

and S27, if the call response transmission fails, continuing to execute the search operation of the new cell.

In this embodiment, first, after a new cell is searched, if a connection with the new cell is established, it is determined whether the location areas of the new cell and the cell before the circuit switched fallback are the same; then, if the location areas are the same, sending a call response to the network; and finally, if the call response is failed to be sent, continuing to execute the search operation of the new cell.

Optionally, in this embodiment, if the sending of the call response fails, it is determined whether it is enough to complete a search operation of a new cell within the remaining time of the timing time, if so, the search operation of the new cell is started again, and if not, the call is cancelled, so that the user is prevented from waiting for a long time to be connected.

Optionally, in this embodiment, if the sending of the call response fails, a success rate of subsequent connection is pre-determined, if the pre-determined success rate is higher than a preset value, the timing time of the timer is updated, and the search operation of the new cell is continuously performed, if the pre-determined success rate is lower than the preset value, it is determined whether the time is enough to complete the search operation of the new cell within the remaining time of the timing time, if so, the search operation of the new cell is started again, and if not, the call is cancelled, so that the user is prevented from waiting for connection for a long time.

The embodiment has the advantages that after the new cell is searched, if the connection with the new cell is established, whether the location areas of the new cell and the cell before the circuit switched fallback are the same or not is determined; then, if the location areas are the same, sending a call response to the network; and finally, if the call response is failed to be sent, continuing to execute the search operation of the new cell. The method and the device realize a humanized call control scheme, provide a judgment basis and judgment conditions for subsequent call flows, improve the success rate of incoming calls or calls dropped by a circuit domain, avoid long-time waiting of users under the condition of poor network and enhance the user experience.

EXAMPLE five

Fig. 7 is a flowchart of a fifth embodiment of the call control method of the present invention, based on the above embodiments, in order to further determine to perform the search operation of the new cell within the timing time of the timer, in this embodiment:

s28, after searching a new cell, if the connection with the new cell is established, determining whether the location areas of the new cell and the cell before the circuit switched fallback are the same;

s29, if the location areas are different, sending a location updating injection and measurement request to the network;

and S30, if the sending of the location updating injection and measurement request fails, or the sending of the call response request to the network fails after the sending of the location updating injection and measurement request succeeds, continuing to execute the searching operation of the new cell.

In this embodiment, first, after a new cell is searched, if a connection with the new cell is established, it is determined whether the location areas of the new cell and the cell before the circuit switched fallback are the same; then, if the location areas are different, sending a location updating injection and measurement request to a network; and finally, if the sending of the position updating injection and measurement request fails, or the sending of the call response request to the network fails after the sending of the position updating injection and measurement request succeeds, continuing to execute the searching operation of the new cell.

Optionally, in this embodiment, according to 3gpp ts23.272release9, when receiving the call request, the terminal device falls back to the cs network, and at this time, if the location area identifier changes, the terminal device initiates location update and ignores the call request, and meanwhile, the location update request carries a parameter related to a call fall-back success rate, so that the network retransmits the call request after the update is completed.

The embodiment has the advantages that after the new cell is searched, if the connection with the new cell is established, whether the location areas of the new cell and the cell before the circuit switched fallback are the same or not is determined; then, if the location areas are different, sending a location updating injection and measurement request to a network; and finally, if the sending of the position updating injection and measurement request fails, or the sending of the call response request to the network fails after the sending of the position updating injection and measurement request succeeds, continuing to execute the searching operation of the new cell. The method and the device realize a humanized call control scheme, improve the success rate of the circuit switched fallback call or call, avoid long-time waiting of the user under the condition of poor network and enhance the user experience.

EXAMPLE six

Based on the above embodiments, the present invention further provides a call control device, which includes a memory, a processor, and a computer program stored on the memory and executable on the processor, and when executed by the processor, the computer program implements:

setting a timer in the process of circuit switched fallback calling;

EXAMPLE seven

Based on the above embodiments, the computer program when executed by the processor implements:

Example eight

Example nine

if the location areas are the same, sending a call response to the network;

In another embodiment, first, after a new cell is searched, if a connection with the new cell is established, it is determined whether the location areas of the new cell and the cell before the circuit switched fallback are the same; then, if the location areas are different, sending a location updating injection and measurement request to a network; and finally, if the sending of the position updating injection and measurement request fails, or the sending of the call response request to the network fails after the sending of the position updating injection and measurement request succeeds, continuing to execute the searching operation of the new cell.

Example ten

Based on the above embodiment, the present invention further provides a computer-readable storage medium, on which a call control program is stored, and the call control program, when executed by a processor, implements the steps of the call control method according to any one of the above embodiments.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.

Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A method for call control, the method comprising:

setting a timer in the process of circuit switched fallback calling;

2. The call control method according to claim 1, wherein the performing the search operation of the new cell within the timing time of the timer comprises:

3. The call control method according to claim 2, wherein the performing the search operation of the new cell within the timing time of the timer further comprises:

4. The call control method according to claim 3, wherein the performing the search operation for the new cell within the timing time of the timer further comprises:

if the location areas are the same, sending a call response to the network;

5. The method of claim 4, wherein the performing the search operation for the new cell within the timing time of the timer further comprises:

6. A call control device, characterized in that the device comprises a memory, a processor and a computer program stored on the memory and executable on the processor, the computer program realizing, when executed by the processor:

setting a timer in the process of circuit switched fallback calling;

7. The call control device according to claim 6, wherein the computer program when executed by the processor implements:

8. The call control device according to claim 7, wherein the computer program when executed by the processor implements:

9. The call control device according to claim 8, wherein the computer program when executed by the processor implements:

if the location areas are the same, sending a call response to the network;

10. A computer-readable storage medium, having stored thereon a call control program which, when executed by a processor, implements the steps of a call control method according to any one of claims 1 to 5.