CN113438194B

CN113438194B - VoLTE call processing method and device based on long-term evolution voice bearer and storage medium

Info

Publication number: CN113438194B
Application number: CN202010207248.0A
Authority: CN
Inventors: 崔恒彬; 孙龙
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2022-10-11
Anticipated expiration: 2040-03-23
Also published as: CN113438194A

Abstract

The present disclosure provides a long term evolution voice over lte call processing method, apparatus, and storage medium, wherein the method comprises: after receiving a tracking area update acceptance message sent by a network side, determining a first Evolved Packet System (EPS) bearer which is activated by a terminal and is included in the tracking area update acceptance message; determining whether a target dedicated EPS bearer exists on the terminal in addition to the first EPS bearer; the target special EPS bearer is a special EPS bearer for the terminal to carry out the VoLTE call; and if the target special EPS bearing exists on the terminal besides the first EPS bearing, after determining that the target special EPS bearing is activated, re-triggering the tracking area update of the terminal. The method and the device can avoid the problem of call drop of the VoLTE call of the terminal caused by the fact that the first EPS bearer included in the tracking area updating receiving message does not include the target special EPS bearer, and ensure the normal operation of the VoLTE call.

Description

VoLTE call processing method and device based on long-term evolution voice bearer and storage medium

Technical Field

The present disclosure relates to the field of communications, and in particular, to a method and an apparatus for processing a long term evolution voice bearer VoLTE call, and a storage medium.

Background

With the development of mobile wireless networks, the former CS (Circuit Switched) Voice call network is gradually being replaced by a Voice over Long-Term Evolution (VoLTE) call network.

However, the problem of call drop sometimes occurs in the current VoLTE call, and call drop refers to call interruption caused by abnormal release of connection in the communication process.

Disclosure of Invention

In view of the above, the present disclosure provides a method and an apparatus for handling a long term evolution voice over lte call, and a storage medium, so as to solve the deficiencies in the related art.

According to a first aspect of the embodiments of the present disclosure, a method for processing a long term evolution voice bearer VoLTE call is provided, where the method includes:

after receiving a tracking area update acceptance message sent by a network side, determining a first Evolved Packet System (EPS) bearer which is activated by a terminal and is included in the tracking area update acceptance message;

determining whether a target dedicated EPS bearer exists on the terminal in addition to the first EPS bearer; the target special EPS bearer is a special EPS bearer for the terminal to carry out the VoLTE call;

and if the target special EPS bearing exists on the terminal besides the first EPS bearing, after determining that the target special EPS bearing is activated, re-triggering the tracking area update of the terminal.

Optionally, the method further comprises:

after receiving a packet switching paging message which is sent by the network side and corresponds to the VoLTE call, the terminal performs Session Initiation Protocol (SIP) signaling interaction with the network side;

in the SIP signaling interaction process, determining whether the tracking area update of the terminal is triggered;

and if the tracking area update of the terminal is determined to be triggered, executing the step of determining the first Evolved Packet System (EPS) bearer activated by the terminal, which is included in the tracking area update acceptance message, after receiving the tracking area update acceptance message sent by the network side.

Optionally, the method further comprises:

in the SIP signaling interaction process, the terminal receives a request message for activating special EPS bearing context sent by the network side; wherein the activate dedicated EPS bearer context request message is used to indicate the target dedicated EPS bearer.

Optionally, triggering the tracking area update of the terminal includes:

and the terminal sends a first tracking area updating request message comprising the first EPS load to the network side.

Optionally, the re-triggering the tracking area update of the terminal includes:

the terminal sends a second tracking area updating request message comprising a second EPS bearer to the network side; wherein the second EPS bearer comprises the first EPS bearer and the target dedicated EPS bearer.

According to a second aspect of the embodiments of the present disclosure, an apparatus for processing a long term evolution voice bearer VoLTE call is provided, the apparatus including

The first determining module is configured to determine, after receiving a tracking area update accept message sent by a network side, a first Evolved Packet System (EPS) bearer which is included in the tracking area update accept message and is activated by a terminal;

a second determining module configured to determine whether a target dedicated EPS bearer exists on the terminal in addition to the first EPS bearer; the target special EPS bearer is a special EPS bearer for the terminal to perform the VoLTE call;

an execution module configured to re-trigger tracking area update of the terminal after determining that the target dedicated EPS bearer is activated if the target dedicated EPS bearer exists on the terminal in addition to the first EPS bearer.

Optionally, the apparatus further comprises:

the interaction module is configured to perform Session Initiation Protocol (SIP) signaling interaction with the network side after the terminal receives a packet switched paging message which is sent by the network side and corresponds to the VoLTE call;

a third determining module configured to determine whether a tracking area update of the terminal is triggered in the SIP signaling interaction process;

a control module configured to, if the third determining module determines that the tracking area update of the terminal is triggered, control the first determining module to determine, after receiving a tracking area update accept message sent by a network side, a first evolved packet system EPS bearer activated by the terminal and included in the tracking area update accept message.

Optionally, the apparatus further comprises:

a receiving module, configured to receive, by the terminal, an EPS bearer context activation request message sent by the network side in the SIP signaling interaction process; wherein the activate dedicated EPS bearer context request message is used to indicate the target dedicated EPS bearer.

Optionally, the third determining module includes:

a first sending submodule configured to send, by the terminal, a first tracking area update request message including the first EPS bearer to the network side.

Optionally, the execution module includes:

a second sending submodule configured to send a second tracking area update request message including a second EPS bearer to the network side by the terminal; wherein the second EPS bearer comprises the first EPS bearer and the target dedicated EPS bearer.

According to a third aspect of the embodiments of the present disclosure, a computer-readable storage medium is provided, where the storage medium stores a computer program, and the computer program is configured to execute the method for processing a long term evolution voice over lte call according to any one of the foregoing first aspects.

According to a fourth aspect of the embodiments of the present disclosure, there is provided a device for handling a long term evolution voice over lte call, the device including:

a processor;

a memory for storing processor-executable instructions;

wherein the processor is configured to:

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

in the embodiment of the present disclosure, after receiving a tracking area update accept message sent by a network side, a terminal may determine that a first evolved packet system EPS bearer activated by the terminal is included in the tracking area update accept message. Further, it is determined whether a target dedicated EPS bearer exists on the terminal in addition to the first EPS bearer, where the target dedicated EPS bearer is a dedicated EPS bearer for the terminal to perform a VoLTE call. If a target dedicated EPS bearer exists on the terminal in addition to the first EPS bearer, the tracking area update of the terminal may be re-triggered after determining that the target dedicated EPS bearer is activated. Therefore, the problem of call drop of the VoLTE call of the terminal caused by the fact that the first EPS bearer included in the tracking area updating receiving message does not include the target special EPS bearer is avoided, and normal operation of the VoLTE call is ensured.

In the embodiment of the disclosure, after receiving a packet-switched paging message corresponding to a VoLTE call sent by a network side, a terminal performs Session Initiation Protocol (SIP) signaling interaction with the network side. The terminal may determine whether a tracking area update of the terminal is triggered during SIP signaling interaction. If the tracking area update of the terminal is triggered, the terminal may determine, after receiving a tracking area update accept message sent by a network side, a first evolved packet system EPS bearer activated by the terminal included in the tracking area update accept message, so as to determine whether a target dedicated EPS bearer exists on the terminal in addition to the first EPS bearer. Through the process, the problem of call drop of the VoLTE call caused by position change in the process that the terminal carries out SIP signaling interaction with the network side can be avoided, and the normal operation of the VoLTE call is ensured.

In the embodiment of the present disclosure, when the terminal triggers the tracking area update again, the terminal may send a second tracking area update request message including a second EPS bearer to the network side; the second EPS bearer includes the first EPS bearer that has been activated by the terminal before, and also includes a target dedicated EPS bearer for performing a VoLTE call. When the first EPS bearer included in the tracking area update acceptance message sent by the network side does not include the target special EPS bearer, the target special EPS bearer is deactivated, so that the call drop problem of the VoLTE call is avoided, and the normal operation of the VoLTE call is ensured.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

Fig. 1A is a schematic diagram of a tracking area update request message shown in the present disclosure in accordance with an exemplary embodiment;

fig. 1B is a schematic diagram illustrating an activate dedicated EPS bearer context request message in accordance with an example embodiment of the present disclosure;

fig. 1C is a schematic diagram of a tracking area update accept message shown by the present disclosure in accordance with an exemplary embodiment;

fig. 2 is a flowchart illustrating a VoLTE call processing method according to an exemplary embodiment of the present disclosure;

fig. 3 is a flow chart illustrating another VoLTE call processing method according to an example embodiment of the present disclosure;

fig. 4 is a flow chart illustrating another VoLTE call processing method according to an example embodiment of the present disclosure;

FIG. 5 is a block diagram of a telephony device illustrating the present disclosure in accordance with an exemplary embodiment;

FIG. 6 is a block diagram of another telephony device illustrated in accordance with an exemplary embodiment of the present disclosure;

FIG. 7 is a block diagram of another speech device illustrated in accordance with an exemplary embodiment of the present disclosure;

FIG. 8 is a block diagram of another telephony device illustrated in accordance with an exemplary embodiment of the present disclosure;

FIG. 9 is a block diagram of another telephony device illustrated in accordance with an exemplary embodiment of the present disclosure;

fig. 10 is a block diagram of a device for telephony shown in accordance with an exemplary embodiment of the present disclosure.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as operated herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as run herein may be interpreted as "at 8230; …" or "when 8230; \8230; or" in response to a determination ", depending on the context.

The terminal is in idle state under the condition of no service, and after receiving a service request message initiated by the network side, the terminal establishes wireless connection with the network side to transmit data. In the embodiment of the present disclosure, the service request message is a PS Paging (Packet Switching Paging) message corresponding to a VoLTE call. After receiving the PS Paging message, the terminal upper layer initiates an RRC (Radio Resource Control) connection request based on MT (called terminal) access.

After the RRC connection between the terminal and the network side is established, the terminal starts SIP (Session Initiation Protocol) signaling interaction with the network side. After the SIP message handshake is successful, the network side may allocate a dedicated EPS (Evolved Packet System) bearer to the terminal to transmit VoLTE call data.

In the SIP signaling interaction process, if the terminal bottom layer detects that the location Area changes due to the change of the location Area of the terminal, the change of the Tracking Area cell, and the like, the bottom layer notifies the terminal upper layer to trigger the TAU (Tracking Area Update) of the terminal, and the terminal upper layer may be an NAS (Network Attached Storage layer). That is, in the scenario provided by the embodiment of the present disclosure, the SIP signaling interaction process between the terminal and the network side and the TAU update process of the terminal are performed in a crossed manner.

When the terminal performs the TAU update process, the terminal informs the network side of the EPS activated by the terminal, where the terminal may inform the network side of an EBI (EPS Bearer Identity) corresponding to the activated EPS Bearer. Therefore, the network side can ensure the subsequent EPS configuration based on the EPS which is activated by the terminal currently, and ensure that data use and IMS (IP Multimedia Subsystem) telephone can not be dropped.

Assuming that the EBIs corresponding to the currently activated EPS bearer of the terminal are 5 and 6, EPS 5 is the EPS bearer of the normal data link, and EPS 6 is the IMS default EPS bearer, the terminal will notify the network side of the EBI corresponding to the activated EPS bearer through the TAU request message shown in fig. 1A.

Of course, if the TAU request message sent by the terminal does not include the EBI, the network side defaults that the terminal does not have an activated EPS.

Further, the terminal receives an activated dedicated EPS bearer context request (activated dedicated EPS bearer context request) for the MT VoLTE call from the network side, where the activated dedicated EPS bearer context request includes a dedicated EPS for the terminal to perform the VoLTE call.

Assuming that the EBI corresponding to the dedicated EPS Bearer is 7, the EBI will correspond to a DRB (Data Radio Bearer) identifier of 3, for example, as shown in fig. 1B.

Since the SIP signaling interaction process and the TAU process are performed in an interleaved manner, after receiving the request for activating the dedicated EPS bearer context sent by the network side, the terminal will receive a TAU accept message sent by the network side very quickly (typically, several tens of milliseconds), where the TAU accept message includes the activated EPS bearers of the terminal reported by the terminal before, for example, EPS 5 and EPS 6, but does not include the dedicated EPS bearer EPS 7 included in the request for activating the dedicated EPS bearer context.

According to the 3GPP (3 rd Generation Partnership Project) protocol, the terminal only retains the EPS bearer carried in the TAU accept message, and other EPS bearers are deactivated, for example, as shown in fig. 1C, the dedicated EPS bearer EPS 7 is deactivated, and only the EPS 5 and the EPS 6 are retained.

After the terminal sends the dedicatedbeare activation success message to the network side, the dedicated EPS bearer at the terminal side, for example, the above-mentioned EPS 7, is in an inactive state at this time. Although the Radio Link Control (RLC) layer of the terminal can actually receive some data transmitted from the DRB 3 mapped by the EPS 7 by the network side, the upper layer of the terminal is already in a release state. Therefore, a VoLTE call drop is caused soon, and the reason for the call drop is drb loss.

SIP; text = "DRB LOST", i.e., DRB LOST.

In order to solve the foregoing problem, an embodiment of the present disclosure provides a voice over long term evolution (VoLTE) call processing method, which can be used for a terminal, such as a smart phone, a tablet computer, a Personal Digital Assistant (PDA), and the like. As shown in fig. 2, fig. 2 is a method for processing a long term evolution voice over lte call according to an exemplary embodiment, and includes the following steps:

in step 101, after receiving a tracking area update accept message sent by a network side, determining a first evolved packet system EPS bearer activated by a terminal included in the tracking area update accept message.

In the embodiment of the present disclosure, the terminal initiates a tracking area update request to the network side before, and the network side returns a tracking area update acceptance message to the terminal, where the tracking area update acceptance message includes the first EPS bearer activated by the terminal.

In step 102, it is determined whether a target dedicated EPS bearer exists on the terminal in addition to the first EPS bearer.

In the embodiment of the present disclosure, the terminal may determine whether there is a target dedicated EPS bearer added, activated, or being established by the terminal in addition to the first EPS bearer included in the tracking area update accept message. The target dedicated EPS bearer is a dedicated EPS bearer for the terminal to perform the VoLTE call.

In step 103, if the target dedicated EPS bearer exists on the terminal in addition to the first EPS bearer, after determining that the target dedicated EPS bearer is activated, re-triggering the terminal to initiate tracking area update to the network side.

If a target dedicated EPS bearer for performing VoLTE call exists on the terminal in addition to the first EPS bearer included in the tracking area update accept message sent by the network side, the terminal does not need to deactivate the target dedicated EPS bearer.

Wherein, if the target dedicated EPS bearing is already activated or added, the TAU of the terminal is directly re-triggered. If the target special EPS bearing is being established, the terminal can wait for the completion of the establishment of the target special EPS bearing, and after determining that the target special EPS bearing is activated, the terminal triggers the TAU again.

In the above embodiment, after receiving the tracking area update accept message sent by the network side, the terminal may determine the first evolved packet system EPS bearer activated by the terminal and included in the tracking area update accept message. Further, it is determined whether a target dedicated EPS bearer exists on the terminal in addition to the first EPS bearer, where the target dedicated EPS bearer is a dedicated EPS bearer for the terminal to perform a VoLTE call. If a target dedicated EPS bearer exists on the terminal in addition to the first EPS bearer, the tracking area update of the terminal may be re-triggered after determining that the target dedicated EPS bearer is activated. Therefore, the problem of call drop of the VoLTE call of the terminal caused by the fact that the first EPS bearer included in the tracking area updating receiving message does not include the target special EPS bearer is avoided, and the normal operation of the VoLTE call is ensured.

In an optional embodiment, as shown in fig. 3, fig. 3 is another VoLTE call processing method shown on the basis of the embodiment shown in fig. 2, where the method further includes:

in step 100-1, after receiving the packet-switched paging message corresponding to the VoLTE call sent by the network side, the terminal performs session initiation protocol SIP signaling interaction with the network side.

In the embodiment of the present disclosure, the terminal may receive a PS Paging message corresponding to a VoLTE call initiated by the network side, and further, the terminal starts to perform SIP signaling interaction with the network side.

In step 100-2, it is determined whether a tracking area update of the terminal is triggered during the SIP signaling interaction.

In the SIP signaling interaction process, if the terminal bottom layer detects that the position area of the terminal changes due to the reasons of the terminal position change or the tracking area cell change and the like, the bottom layer informs the terminal upper layer at the moment and triggers the terminal to initiate TAU to the network side. The terminal sends a first tracking area update request message to the network side at this time to request for updating the tracking area, wherein the first tracking area update request message includes a first EPS bearer currently activated by the terminal. Optionally, the first EPS bearer may be indicated by the EBI in the first tracking area update request message.

After determining that the TAU of the terminal is triggered, that is, after determining that the SIP signaling interaction process between the terminal and the network side is performed crosswise with the TAU process of the terminal, step 101 may be executed, and after receiving a tracking area update accept message sent by the network side, determining a first evolved packet system EPS bearer activated by the terminal included in the tracking area update accept message.

Further, the terminal determines whether a target dedicated EPS bearer exists on the terminal in addition to the first EPS bearer. If the terminal has a target dedicated EPS bearer in addition to the first EPS bearer, the terminal may be re-triggered to initiate tracking area update to the network side after determining that the target dedicated EPS bearer is activated.

In the embodiment, the problem of call drop of the VoLTE call caused by position change in the SIP signaling interaction process between the terminal and the network side can be avoided, and the normal operation of the VoLTE call is ensured.

In an alternative embodiment, as shown in fig. 4, fig. 4 is another VoLTE call processing method shown on the basis of the foregoing embodiment shown in fig. 3, where the method further includes:

in step 100-3, in the SIP signaling interaction process, the terminal receives a request message for activating dedicated EPS bearer context sent by the network side.

In the embodiment of the present disclosure, in an SIP signaling interaction process between a terminal and a network side, the terminal may receive an EPS bearer context request message for activation dedicated sent by the network side, where the EPS bearer context request message for activation dedicated is used to indicate an EBI corresponding to the target dedicated EPS bearer, and the terminal may perform data transmission of a VoLTE call on a DRB mapped by the target dedicated EPS bearer.

In an alternative embodiment, step 102 may comprise: and the terminal sends a second tracking area updating request message comprising a second EPS bearer to the network side.

In the embodiment of the present disclosure, since the tracking area update of the terminal is retriggered, the terminal may send a second tracking area update request message to the network side, where the second tracking area update request message may carry all activated EPS of the terminal, that is, the second EPS bearer. The second EPS bearer at this time includes not only the previous first EPS bearer but also the target dedicated EPS bearer.

Based on the second tracking area update request message, the new tracking area update acceptance message returned by the network side also includes the second EPS bearer, so that the terminal can continue to perform VoLTE call through the target special EPS bearer without call drop.

In the above embodiment, when the first EPS bearer included in the tracking area update acceptance message sent by the network side does not include the target dedicated EPS bearer, the target dedicated EPS bearer is prevented from being deactivated, which causes a call drop problem in the VoLTE call, thereby ensuring normal operation of the VoLTE call.

Corresponding to the foregoing method embodiments, the present disclosure also provides embodiments of an apparatus.

As shown in fig. 5, fig. 5 is a block diagram of a long term evolution voice over bearer VoLTE call processing apparatus shown in the present disclosure according to an exemplary embodiment, the apparatus includes:

a first determining module 210, configured to determine, after receiving a tracking area update accept message sent by a network side, a first evolved packet system EPS bearer activated by a terminal included in the tracking area update accept message;

a second determining module 220 configured to determine whether a target dedicated EPS bearer exists on the terminal in addition to the first EPS bearer; the target special EPS bearer is a special EPS bearer for the terminal to carry out the VoLTE call;

an executing module 230 configured to, if the target dedicated EPS bearer exists on the terminal in addition to the first EPS bearer, re-trigger the tracking area update of the terminal after determining that the target dedicated EPS bearer is activated.

Fig. 6 is a block diagram of another communication device shown in fig. 6 according to an exemplary embodiment, where on the basis of the foregoing fig. 5 embodiment, the device further includes:

an interaction module 240, configured to perform session initiation protocol SIP signaling interaction with the network side after the terminal receives a packet switched paging message corresponding to the VoLTE call sent by the network side;

a third determining module 250 configured to determine whether a tracking area update of the terminal is triggered in the SIP signaling interaction process;

a control module 260 configured to, if the third determining module 250 determines that the tracking area update of the terminal is triggered, control the first determining module 210 to determine, after receiving a tracking area update accept message sent by a network side, the first evolved packet system EPS bearer activated by the terminal and included in the tracking area update accept message.

Fig. 7 is a block diagram of another communication device shown in fig. 7 according to an exemplary embodiment, where on the basis of the foregoing fig. 6 embodiment, the device further includes:

a receiving module 270, configured to, in the SIP signaling interaction process, receive, by the terminal, an EPS bearer context activation request message sent by the network side; wherein the activate dedicated EPS bearer context request message is used to indicate the target dedicated EPS bearer.

As shown in fig. 8, fig. 8 is another block diagram of a calling device according to an exemplary embodiment, where on the basis of the foregoing fig. 6 embodiment, the third determining module 250 includes:

a first sending submodule 251, configured to send, by the terminal, a first tracking area update request message including the first EPS bearer to the network side.

As shown in fig. 9, fig. 9 is a block diagram of another communication device shown in the present disclosure according to an exemplary embodiment, on the basis of the foregoing embodiment of fig. 5, the executing module 230 includes:

a second sending submodule 231, configured to send a second tracking area update request message including a second EPS bearer to the network side by the terminal; wherein the second EPS bearer comprises the first EPS bearer and the target dedicated EPS bearer.

For the device embodiments, since they substantially correspond to the method embodiments, reference may be made to the partial description of the method embodiments for relevant points. The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the disclosed solution. One of ordinary skill in the art can understand and implement without inventive effort.

Correspondingly, the present disclosure also provides a computer-readable storage medium, where the storage medium stores a computer program, and the computer program is used to execute any one of the above-mentioned long term evolution voice over lte call processing methods.

Correspondingly, the present disclosure further provides a device for processing a long term evolution voice bearer VoLTE call, where the device includes:

a processor;

a memory for storing processor-executable instructions;

wherein the processor is configured to:

if the target special EPS bearer exists on the terminal besides the first EPS bearer, after the target special EPS bearer is determined to be activated, the tracking area updating of the terminal is triggered again.

Fig. 10 is a block diagram illustrating an electronic device 1000 in accordance with an example embodiment. For example, the electronic device 1000 may be a mobile phone, a tablet computer, an electronic book reader, a multimedia playing device, a wearable device, a vehicle-mounted terminal, or other terminals.

Referring to fig. 10, electronic device 1000 may include one or more of the following components: processing components 1002, memory 1004, power components 1006, multimedia components 1008, audio components 1010, input/output (I/O) interfaces 1012, sensor components 1016, and communication components 1018.

The processing component 1002 generally controls overall operation of the electronic device 1000, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing components 1002 may include one or more processors 1020 to execute instructions to perform all or a portion of the steps of the methods described above. Further, processing component 1002 may include one or more modules that facilitate interaction between processing component 1002 and other components. For example, the processing component 1002 may include a multimedia module to facilitate interaction between the multimedia component 1008 and the processing component 1002. As another example, the processing component 1002 may read executable instructions from the memory to implement the steps of a VoLTE call processing method provided by the foregoing embodiments.

The memory 1004 is configured to store various types of data to support operation at the electronic device 1000. Examples of such data include instructions for any application or method operating on the electronic device 1000, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 1004 may be implemented by any type or combination of volatile or non-volatile memory devices, such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.

The power supply component 1006 provides power to the various components of the electronic device 1000. The power components 1006 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the electronic device 1000.

The multimedia component 1008 includes a display screen that provides an output interface between the electronic device 1000 and a user. In some embodiments, the multimedia component 1008 includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the electronic device 1000 is in an operating mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.

The audio component 1010 is configured to output and/or input audio signals. For example, the audio component 1010 may include a Microphone (MIC) configured to receive external audio signals when the electronic device 1000 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 1004 or transmitted via the communication component 1018. In some embodiments, audio component 1010 further includes a speaker for outputting audio signals.

I/O interface 1012 provides an interface between processing component 1002 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.

The sensor assembly 1016 includes one or more sensors for providing various aspects of status evaluation for the electronic device 1000. For example, the sensor assembly 1016 may detect an open/closed state of the electronic device 1000, the relative positioning of components, such as a display and keypad of the electronic device 1000, the sensor assembly 1016 may also detect a change in position of the electronic device 1000 or a component of the electronic device 1000, the presence or absence of user contact with the electronic device 1000, orientation or acceleration/deceleration of the electronic device 1000, and a change in temperature of the electronic device 1000. The sensor assembly 1016 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 1016 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 1016 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

The communication component 1018 is configured to facilitate wired or wireless communication between the electronic device 1000 and other devices. The electronic device 1000 may access a wireless network based on a communication standard, such as Wi-Fi,2g,3g,4g, or 5G, or a combination thereof. In an exemplary embodiment, the communication component 1018 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 1018 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, ultra Wideband (UWB) technology, bluetooth (BT) technology, and other technologies.

In an exemplary embodiment, the electronic device 1000 may be implemented by one or more Application Specific Integrated Circuits (ASICs), digital Signal Processors (DSPs), digital Signal Processing Devices (DSPDs), programmable Logic Devices (PLDs), field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors, or other electronic components for performing the above-described methods.

In an exemplary embodiment, a non-transitory machine-readable storage medium comprising instructions, such as the memory 1004 comprising instructions, executable by the processor 1020 of the electronic device 1000 to perform the wireless charging method described above is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice in the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

The above description is meant to be illustrative of the preferred embodiments of the present disclosure and not to be taken as limiting the disclosure, and any modifications, equivalents, improvements and the like that are within the spirit and scope of the present disclosure are intended to be included therein.

Claims

1. A method for processing a long term evolution voice over LTE call, the method comprising:

after receiving a tracking area update acceptance message sent by a network side, determining a first Evolved Packet System (EPS) bearer which is activated by a terminal and is included in the tracking area update acceptance message, wherein the tracking area update acceptance message is used for responding a tracking area update request which is sent to the network side by the terminal before, and the tracking area update request comprises the first EPS bearer which is activated by the terminal;

2. The method of claim 1, further comprising:

and if the tracking area update of the terminal is determined to be triggered, executing the step of determining the first Evolved Packet System (EPS) bearer which is activated by the terminal and is included in the tracking area update acceptance message after receiving the tracking area update acceptance message sent by the network side.

3. The method of claim 2, further comprising:

4. The method of claim 2, wherein triggering the tracking area update of the terminal comprises:

5. The method of claim 1, wherein the re-triggering of the tracking area update of the terminal comprises:

6. A device for processing a long term evolution voice over LTE call, the device comprising:

the first determining module is configured to determine, after receiving a tracking area update accept message sent by a network side, a first Evolved Packet System (EPS) bearer which is activated by a terminal and included in the tracking area update accept message, where the tracking area update accept message is used to respond to a tracking area update request sent to the network side by the terminal before, and the tracking area update request includes the first EPS bearer which is activated by the terminal;

a second determining module configured to determine whether a target dedicated EPS bearer exists on the terminal in addition to the first EPS bearer; the target special EPS bearer is a special EPS bearer for the terminal to carry out the VoLTE call;

7. The apparatus of claim 6, further comprising:

the interaction module is configured to perform Session Initiation Protocol (SIP) signaling interaction with the network side after the terminal receives a packet-switched paging message which is sent by the network side and corresponds to the VoLTE call;

8. The apparatus of claim 7, further comprising:

9. The apparatus of claim 7, wherein the third determining module comprises:

10. The apparatus of claim 6, wherein the execution module comprises:

11. A computer-readable storage medium, characterized in that the storage medium stores a computer program for executing the long term evolution voice over lte call processing method according to any of the preceding claims 1-5.

12. A device for processing a long term evolution voice over LTE call, the device comprising:

a processor;

a memory for storing processor-executable instructions;

wherein the processor is configured to:

determining whether a target dedicated EPS bearer exists on the terminal in addition to the first EPS bearer; the target special EPS bearer is a special EPS bearer for the terminal to perform the VoLTE call;