CN116614786B - Switching method and device of voice call network, electronic equipment and storage medium - Google Patents

Abstract

The disclosure provides a switching method and device of a voice call network, electronic equipment and a storage medium, and relates to the technical field of wireless communication. When applied to a terminal, the method comprises: initiating a VoWiFi voice call; when the quality of the VoWiFi voice call is lower than a preset threshold, if the VoWiFi voice call meets the condition of switching to VoNR, switching from VoWiFi to VoNR; if a reason value returned by the network side equipment is received, maintaining voice call on the VoWiFi, wherein the reason value indicates that the network does not support the switching from the VoWiFi to the VoNR; and if the VoWiFi voice call meets the condition of switching to VoLTE, switching from VoWiFi to VoLTE. The voice call drop caused by the failure of the VoNR in the VoWiFi voice call can be avoided, and the user experience of the user in the voice call is improved.

Description

Voice call network switching method, device, electronic equipment and storage medium

Technical field

The present disclosure relates to the technical field of wireless communication networks, and in particular, to a voice call network switching method, device, electronic equipment and storage medium.

Background technique

5G networks can provide voice services based on VoNR, which is a voice service provided based on NR networks. As a supplementary solution to cellular networks, VoWiFi (Voice over WiFi, WiFi calling) can make up for the shortcomings of NR networks in indoor coverage, provide users with no blind spots, full coverage, and highly reliable voice call services, and further enhance the performance of operators. Advantages of fixed-mobile network convergence. Currently, operators have deployed VoNR on a large scale, and some operators are gradually deploying VoWiFi.

In the existing technology, operators have not yet opened a network environment for VoNR and VoWiFi to interoperate. In a network environment that does not have the ability to switch from VoWiFi to VoNR, if the terminal itself supports VoNR and also supports switching from VoWiFi to VoNR, it will still initiate a switch from VoWiFi to VoNR during the voice call without knowing the network capabilities, causing Network switching failure causes the call to be dropped on the terminal during the call, affecting the end user's voice service experience.

It should be noted that the information disclosed in the above background section is only used to enhance understanding of the background of the present disclosure, and therefore may include information that does not constitute prior art known to those of ordinary skill in the art.

Contents of the invention

The present disclosure provides a voice call network switching method, device, electronic equipment and storage medium, which at least to a certain extent overcomes the problem of network switching failure due to the network not supporting VoNR to VoWiFi switching in related technologies.

Additional features and advantages of the disclosure will be apparent from the following detailed description, or, in part, may be learned by practice of the disclosure.

According to one aspect of the present disclosure, a voice call network switching method is provided, which is applied to a terminal and includes: initiating a VoWiFi voice call; when the quality of the VoWiFi voice call is lower than a preset threshold, if the VoWiFi voice call satisfies the VoNR Switching conditions, then switch from VoWiFi to VoNR; if the reason value returned by the network side device is received, the voice call on VoWiFi is maintained, where the reason value indicates that the network does not support switching from VoWiFi to VoNR; if the VoWiFi voice call If the conditions for switching to VoLTE are met, switch from VoWiFi to VoLTE.

In some embodiments, if the VoWiFi voice call meets the conditions for switching to VoLTE, switching from VoWiFi to VoLTE includes: searching for LTE networks and determining the LTE network that meets the conditions; attaching to the LTE network that meets the conditions; switching from VoWiFi Switch to VoLTE.

In some embodiments, after receiving the cause value returned by the network side device and maintaining the voice call on VoWiFi, the method further includes: releasing the connection on the NR network.

In some embodiments, before initiating the VoWiFi voice call, the method further includes: the terminal establishes an IMS session on the WiFi network and completes IMS registration, where the terminal supports the VoWiFi service.

In some embodiments, after switching from VoWiFi to VoLTE if the VoWiFi voice call meets the conditions for switching to VoLTE, the method further includes: determining whether to end the call; if so, re-registering in the 5G independent SA network .

In some embodiments, if the reason value returned by the network side device is received, maintaining the voice call on VoWiFi includes: if the cause value returned by the network side device is received, prohibiting calls from VoWiFi to VoNR switching to maintain voice calls on VoWiFi.

In some embodiments, the preset period includes any of the following: a period before the current call ends; a period prohibited by the terminal timer; and a period of the same PLMN.

According to another aspect of the present disclosure, a voice call network switching device is also provided, including: a VoWiFi voice call initiation module, used to initiate a VoWiFi voice call; a VoNR switching module, used when the quality of the VoWiFi voice call is low At the preset threshold, if the VoWiFi voice call meets the conditions for switching to VoNR, switch from VoWiFi to VoNR; the reason value receiving module is used to maintain the voice call on VoWiFi if the reason value returned by the network side device is received. The reason value indicates that the network does not support switching from VoWiFi to VoNR; the VoLTE switching module is used to switch from VoWiFi to VoLTE if the VoWiFi voice call meets the conditions for switching to VoLTE.

According to another aspect of the present disclosure, an electronic device is also provided, the electronic device comprising: a processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to execute the The executable instructions are used to execute the voice call network switching method described in any one of the above.

According to another aspect of the present disclosure, a computer-readable storage medium is also provided, on which a computer program is stored. When the computer program is executed by a processor, the method for switching a voice call network described in any one of the above is implemented.

According to another aspect of the present disclosure, a computer program product is also provided, including a computer program that implements any one of the above voice call network switching methods when executed by a processor.

The voice call network switching method, device, electronic device and storage medium provided in the embodiments of the present disclosure are applied to the terminal, and the terminal initiates a VoWiFi voice call; when the quality of the VoWiFi voice call is lower than the preset threshold, if the VoWiFi voice call satisfies The conditions for switching to VoNR are to switch from VoWiFi to VoNR; if the reason value returned by the network side device is received, the voice call on VoWiFi is maintained, where the reason value indicates that the network does not support switching from VoWiFi to VoNR; if the VoWiFi voice call is If the conditions for switching to VoLTE are met, switch from VoWiFi to VoLTE. In the embodiments provided by the present disclosure, due to the deterioration of the WiFi signal quality during the VoWiFi voice call, after the terminal fails to switch to VoNR, it switches the voice call network to VoLTE based on the cause value, which can avoid the failure of VoNR during the VoWiFi voice call. of dropped calls, improving the user experience during voice calls.

It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only, and do not limit the present disclosure.

Description of the drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure. Obviously, the drawings in the following description are only some embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 shows a schematic diagram of a communication system architecture in an embodiment of the present disclosure;

Figure 2 shows a flow chart of a voice call network switching method in an embodiment of the present disclosure;

Figure 3 shows a flow chart of a specific example of a voice call network switching method in an embodiment of the present disclosure;

Figure 4 shows a flow chart of another specific example of a voice call network switching method in an embodiment of the present disclosure;

Figure 5 shows a flow chart of another specific example of a voice call network switching method in an embodiment of the present disclosure;

Figure 6 shows a flow chart of another specific example of a method for switching a voice call network in an embodiment of the present disclosure;

Figure 7 shows a schematic diagram of a switching device for a voice call network in an embodiment of the present disclosure;

Figure 8 shows a structural block diagram of a computer device in an embodiment of the present disclosure;

Figure 9 shows a schematic diagram of a computer-readable storage medium in an embodiment of the present disclosure.

Detailed ways

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in various forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concepts of the example embodiments. To those skilled in the art. The described features, structures or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings represent the same or similar parts, and thus their repeated description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in software form, or implemented in one or more hardware modules or integrated circuits, or implemented in different networks and/or processor devices and/or microcontroller devices.

To facilitate understanding, before introducing the embodiments of the present disclosure, several terms involved in the embodiments of the present disclosure are first explained as follows:

NR: New Radio, new wireless/new air interface;

IMS: IP Multimedia Subsystem, IP multimedia subsystem;

3GPP: 3rd Generation Partnership Project, third generation partnership plan;

UE: User Equipment, user equipment;

LTE: Long Term Evolution, 3GPP long-term evolution;

PLMN: Public Land Mobile Network, public land mobile (communication) network;

VoNR: Voice over New Radio, the new air interface carries voice, the target voice solution for 5G networks;

VoLTE: Voice over Long-Term Evolution, voice service carried by 4G network;

VoWiFi: Voice over WiFi, voice service carried by Wi-Fi network;

SA: Standalone Architecture, independent networking;

5G: 5th Generation Mobile Communication Technology, fifth generation mobile communication technology;

RSSI: Received Signal Strength Indication, received signal strength indication;

RSRP: Reference Signal Receiving Power/Reference Signal ReceivedPower, reference signal receiving power;

AMF: Authentication Management Function, authentication management function.

Specific implementation modes of the embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings.

Figure 1 shows a schematic diagram of an exemplary communication system architecture to which the voice switching control method in an embodiment of the present disclosure can be applied. As shown in Figure 1, the system architecture includes a terminal 10, a 4G base station 20A, a 5G base station 20B, a WiFi hotspot device 30, a 4G/5G converged core network 40 and an IMS network element 50.

It should be noted that the IMS network element 50 in the embodiment of the present disclosure refers to a server that provides multimedia business services. The multimedia business services provided include but are not limited to voice business services such as VoWiFi, VoLTE, and VoNR; the terminal 10 can be a variety of electronic Devices, including but not limited to smartphones, tablets, laptops, desktop computers, wearable devices, augmented reality devices, virtual reality devices, etc.

It should be noted that the 4G base station and 5G base station in the embodiments of the disclosure are only examples. During specific implementation, they can be replaced by base stations of 5G or later versions, and the disclosure is not limited here. When the base station is a base station of a later version of 5G, the corresponding core network is also a later version of the core network.

Optionally, the medium that provides communication links between the terminal 10 and the 4G base station 20A or the 5G base station 20B, and between the terminal 10 and the WiFi hotspot device 30 may be a wireless network.

As shown in Figure 1, the terminal 10 can access the core network and the IMS network element 50 through the 4G base station; it can also access the core network 40 and the IMS network element 50 through the 5G base station; it can also access the core network 40 through the WiFi hotspot device 30. and IMS network element 50.

Those skilled in the art can know that the number of terminals, base stations, WiFi hotspot devices, core networks and IMS network elements in Figure 1 is only illustrative. According to actual needs, there can be any number of terminals, base stations, WiFi hotspot devices, Core network and IMS network elements. The embodiments of the present disclosure do not limit this.

Under the above system architecture, embodiments of the present disclosure provide a voice call network switching method, which can be executed by any electronic device with computing processing capabilities.

In some embodiments, the voice call network switching method provided in the embodiments of the present disclosure can be executed by the terminal device of the above system architecture.

Figure 2 shows a flow chart of a voice call network switching method in an embodiment of the present disclosure. As shown in Figure 2, the voice call network switching method provided in an embodiment of the present disclosure includes the following steps:

S202, initiate a VoWiFi voice call.

It should be noted that the above-mentioned VoWiFi voice call can be a solution to realize traditional voice call through WiFi network. VoWiFi can replace the base station through the public network accessed by WiFi, allowing the terminal (mobile phone) to connect to the traditional voice service system to achieve smooth phone calls. Even if there is no base station or poor signal coverage in the area, normal communication functions can be maintained through the WiFi network , the terminal needs to activate the VoWiFi service function.

S204, when the quality of the VoWiFi voice call is lower than the preset threshold, and if the VoWiFi voice call meets the conditions for switching to VoNR, switch from VoWiFi to VoNR.

It should be noted that the quality of the above VoWiFi voice call may be the quality of the voice signal transmitted during the voice call. For example, during voice communication, the quality of the sound transmitted from the voice sender to the voice receiver is determined by using WiFi transmission. The condition for the VoWiFi voice call to switch to VoNR can be that the terminal supports the VoWiFi service and the VoNR service, that is, the terminal supports the VoWiFi voice call and the VoNR voice call.

For example, the signal strength of the voice signal is below a preset threshold.

S206: If the reason value returned by the network side device is received, the voice call on VoWiFi is maintained, where the reason value indicates that the network does not support switching from VoWiFi to VoNR.

It should be noted that the above reason value may be that the UE's request for switching from VoWiFi to VoNR is not correctly received by the network. The core network will reply to the terminal with a certain reason value. The message will include the reason value for rejection, that is, the terminal receives the instruction due to The network does not support VoNR and VoWiFi handover, causing handover failure.

For example, when switching from VoWiFi to VoNR fails, the DL NAS TRANSPORT message returned by the AMF of the core network to the UE carries the reason CAUSE: Payload Was Not Forwarded (90).

S208, if the VoWiFi voice call meets the conditions for switching to VoLTE, switch from VoWiFi to VoLTE.

It should be noted that the condition for the VoWiFi voice call to satisfy the switch to VoLTE may be that the terminal successfully attaches to the LTE network.

For example, when the network does not support VoNR and VoWiFi handovers, causing handover failure, the terminal searches for the LTE network, and immediately performs handover from VoWiFi to VoLTE after successfully attaching to the LTE network, so as to be able to switch after the handover to VoNR fails. To VoLTE, it can avoid call drops caused by handover failure, and at the same time, it can find a better network for the terminal to continue voice calls.

In the embodiments provided by the present disclosure, due to the deterioration of the WiFi signal quality during the VoWiFi voice call, after the terminal fails to switch to VoNR, it switches the voice call network to VoLTE based on the cause value, which can avoid the failure of VoNR during the VoWiFi voice call. of dropped calls, improving the user experience during voice calls.

In one embodiment of the present disclosure, as shown in Figure 3, the voice call network switching method provided in the embodiment of the present disclosure can determine switching from VoWiFi to VoLTE through the following steps, which can avoid call drops caused by switching failure, and at the same time A better network can be found for the terminal to connect the voice call to:

S302, search the LTE network and determine the LTE network that meets the conditions;

S304, attach to the LTE network that meets the conditions;

S306, switch from VoWiFi to VoLTE.

In one embodiment of the present disclosure, as shown in Figure 4, the voice call network switching method provided in the embodiment of the present disclosure can turn off SA through the following steps, which can prevent the terminal from being unable to attach to the LTE network:

S402: Release the connection on the NR network.

For example, after receiving the cause value, the terminal actively disconnects from the NR network.

It should be noted that since the terminal can only be attached to a higher-standard cellular network, when the terminal turns on the 5G independent networking SA function, it cannot attach to the LTE network. Therefore, the terminal should turn off the 5G SA function at an appropriate time. , including but not limited to: once the cause value is received, first turn off the 5G SA function and then search for the LTE network; after the terminal searches for an available LTE network through measurement, then turn off the 5G SA function. That is, the above S402 may be executed before S304 or before S302.

In one embodiment of the present disclosure, as shown in Figure 5, the voice call network switching method provided in the embodiment of the present disclosure further includes the following steps before initiating a VoWiFi voice call:

S502: The terminal establishes an IMS session on the WiFi network and completes IMS registration. The terminal supports the VoWiFi service.

For example, a terminal that supports the VoWiFi service establishes an IMS session on the WiFi network and completes IMS registration, so that the terminal can normally initiate a VoWiFi voice call.

In one embodiment of the present disclosure, as shown in Figure 6, the voice call network switching method provided in the embodiment of the present disclosure also includes, if the VoWiFi voice call meets the conditions for switching to VoLTE, after switching from VoWiFi to VoLTE as follows:

S602, determine whether to end the call;

S604, if yes, re-register in the 5G SA network.

For example, if the terminal ends the call on the LTE network, in order to improve the retention rate of the 5G SA network, the terminal needs to re-enable the 5G SA function and register with the 5G SA network.

In one embodiment of the present disclosure, if a cause value returned by the network side device is received, maintaining the voice call on VoWiFi includes: if a cause value returned by the network side device is received, prohibiting calls from VoWiFi within a preset period Switch to VoNR and maintain voice calls on VoWiFi.

In one embodiment of the present disclosure, the preset period includes any one of the following: a period before the current call ends; a period prohibited by the terminal timer; and a period of the same PLMN.

For example, before the terminal successfully switches to VoLTE, the call must be maintained on VoWiFi. Even if the conditions for switching to VoNR are met, it cannot be triggered again. The conditions for prohibiting switching from VoWiFi to VoNR include but are not limited to: before the current call ends, The period disabled by the terminal timer is the same as the PLMN period.

Specifically, after the terminal completes the voice call in the above scenario, it can reinitiate the switch from VoWiFi to VoNR during the next call; when the terminal completes the voice call in the above scenario, it can within a certain period (timer prohibition) During the period), the handover from VoWiFi to VoNR will no longer be reinitiated; when the terminal completes the voice call in the above scenario, it can reinitiate the handover from VoWiFi to VoNR after detecting the PLMN change.

In a specific implementation of the present disclosure, first, during a VoWiFi voice call, the terminal detects that WiFi and NR signals satisfy the conditions for switching from VoWiFi to VoNR. A specific example of the switching conditions is as follows: If the terminal has currently established an IMS on the VoWiFi network session, when NR RSRP ≥ -103dBm is detected, or when WiFi RSSI < -81dBm and NRRSRP ≥ -110dBm, the IMS session is switched from VoWiFi to VoNR. Secondly, when the terminal receives the DL NAS TRANSPORT message returned by the AMF of the core network to the UE after performing the handover and carries CAUSE as Payload was notforwarded (90), it is determined that the network does not support handover from VoWiFi to VoNR. Then, the terminal searches for available LTE networks and attaches to them while maintaining the VoWiFi call. It needs to release the connection to the NR network before attaching to the LTE network. Then, when the terminal detects that LTE RSRP ≥ -105dBm, or when WiFi RSSI < -81dBm and LTE RSRP ≥ -112dBm, the IMS session is switched from VoWiFi to VoLTE, otherwise the IMS session is not switched from VoWiFi to VoLTE. . Finally, assuming that the voice call ends on the LTE network, 5G registration needs to be re-registered on the NR network. Among them, the parameters for switching between WiFi and LTE/NR networks are: WiFi network parameters use RSSI, and LTE/NR network parameters use RSRP.

It should be noted that the acquisition, storage, use, and processing of data in the technical solution of this disclosure are all in compliance with the relevant provisions of national laws and regulations. The personal identity data and operations related to individuals, customers, and groups obtained in the embodiments of this disclosure are Various types of data, including data and behavioral data, have been authorized.

Based on the same inventive concept, embodiments of the present disclosure also provide a device for switching a voice call network, as described in the following embodiments. Since the problem-solving principle of this device embodiment is similar to that of the above-mentioned method embodiment, the implementation of this device embodiment can refer to the implementation of the above-mentioned method embodiment, and repeated details will not be repeated.

Figure 7 shows a schematic diagram of a voice call network switching device in an embodiment of the present disclosure. As shown in Figure 7, the device includes: VoWiFi voice call initiation module 71, VoNR switching module 72, cause value receiving module 73, VoLTE switching module 74. Connection release module 75, IMS registration module 76 and SA network registration module 77.

VoWiFi voice call initiation module 71, used to initiate VoWiFi voice calls;

VoNR switching module 72 is used to switch from VoWiFi to VoNR when the quality of the VoWiFi voice call is lower than the preset threshold and if the VoWiFi voice call meets the conditions for switching to VoNR;

The reason value receiving module 73 is used to maintain the voice call on VoWiFi if a reason value returned by the network side device is received, where the reason value indicates that the network does not support switching from VoWiFi to VoNR;

The VoLTE switching module 74 is used to switch from VoWiFi to VoLTE if the VoWiFi voice call meets the conditions for switching to VoLTE.

In an example of the present disclosure, the above-mentioned VoLTE switching module 74 is also used to: search for LTE networks and determine the LTE network that meets the conditions; attach to the LTE network that meets the conditions; and switch from VoWiFi to VoLTE.

In one example of the present disclosure, the above voice call network switching device further includes a connection release module 75 for releasing the connection in the NR network.

In an example of the present disclosure, the above voice call network switching device also includes an IMS registration module 76 for the terminal to establish an IMS session on the WiFi network and complete IMS registration, where the terminal supports the VoWiFi service.

In one example of the present disclosure, the above-mentioned voice call network switching device also includes an SA network registration module 77, which is used to determine whether to end the call; if so, re-register in the 5G SA network.

In an example of the present disclosure, the above-mentioned reason value receiving module 73 is also configured to: if the reason value returned by the network side device is received, prohibit switching from VoWiFi to VoNR within a preset period and maintain the voice call on VoWiFi.

In an example of the present disclosure, the preset period in the above-mentioned reason value receiving module 73 includes any one of the following: a period before the current call ends; a period prohibited by the terminal timer; and a period of the same PLMN.

It should be noted here that the above-mentioned VoWiFi voice call initiation module 71, VoNR switching module 72, cause value receiving module 73 and VoLTE switching module 74 correspond to S202 to S208 in the method embodiment. The above modules and the corresponding steps implement The examples and application scenarios are the same, but are not limited to the content disclosed in the above method embodiments. It should be noted that the above-mentioned modules, as part of the device, can be executed in a computer system such as a set of computer-executable instructions.

Those skilled in the art will understand that various aspects of the present disclosure may be implemented as systems, methods, or program products. Therefore, various aspects of the present disclosure may be embodied in the following forms, namely: a complete hardware implementation, a complete software implementation (including firmware, microcode, etc.), or an implementation combining hardware and software aspects, which may be collectively referred to herein as "Circuit", "Module" or "System".

An electronic device 800 according to this embodiment of the present disclosure is described below with reference to FIG. 8 . The electronic device 800 shown in FIG. 8 is only an example and should not bring any limitations to the functions and usage scope of the embodiments of the present disclosure.

As shown in Figure 8, electronic device 800 is embodied in the form of a general computing device. The components of the electronic device 800 may include, but are not limited to: the above-mentioned at least one processing unit 810, the above-mentioned at least one storage unit 820, and a bus 830 connecting different system components (including the storage unit 820 and the processing unit 810).

Wherein, the storage unit stores program code, and the program code can be executed by the processing unit 810, so that the processing unit 810 performs various exemplary methods according to the present disclosure described in the "Example Method" section of this specification. Implementation steps.

For example, the processing unit 810 can perform the following steps of the above method embodiment:

Initiate a VoWiFi voice call;

When the quality of the VoWiFi voice call is lower than the preset threshold, if the VoWiFi voice call meets the conditions for switching to VoNR, switch from VoWiFi to VoNR;

If the reason value returned by the network side device is received, the voice call on VoWiFi is maintained. The reason value indicates that the network does not support switching from VoWiFi to VoNR;

If the VoWiFi voice call meets the conditions for switching to VoLTE, switch from VoWiFi to VoLTE.

For example, the processing unit 810 can perform the following steps of the above method embodiment:

Search the LTE network and determine the LTE network that meets the conditions;

Attach to an LTE network that meets the conditions;

Switch from VoWiFi to VoLTE.

For example, the processing unit 810 can perform the following steps of the above method embodiment:

Release the connection on the NR network.

For example, the processing unit 810 can perform the following steps of the above method embodiment:

The terminal establishes an IMS session on the WiFi network and completes IMS registration. The terminal supports the VoWiFi service.

For example, the processing unit 810 can perform the following steps of the above method embodiment:

Determine whether to end the call;

If so, re-register on the 5G SA network.

For example, the processing unit 810 can perform the following steps of the above method embodiment:

If the reason value returned by the network side device is received, switching from VoWiFi to VoNR is prohibited within the preset period, and the voice call on VoWiFi is maintained.

For example, the processing unit 810 may perform the steps of the above method embodiment, and the preset period includes any of the following:

During the period before this call ends;

The period prohibited by the terminal timer;

Same PLMN period.

The storage unit 820 may include a readable medium in the form of a volatile storage unit, such as a random access storage unit (RAM) 8201 and/or a cache storage unit 8202 , and may further include a read-only storage unit (ROM) 8203 .

Storage unit 820 may also include a program/utility 8204 having a set of (at least one) program modules 8205 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, Each of these examples, or some combination, may include the implementation of a network environment.

Bus 830 may be a local area representing one or more of several types of bus structures, including a memory unit bus or memory unit controller, a peripheral bus, a graphics acceleration port, a processing unit, or using any of a variety of bus structures. bus.

Electronic device 800 may also communicate with one or more external devices 840 (e.g., keyboard, pointing device, Bluetooth device, etc.), may also communicate with one or more devices that enable a user to interact with electronic device 800, and/or with Any device (eg, router, modem, etc.) that enables the electronic device 800 to communicate with one or more other computing devices. This communication may occur through input/output (I/O) interface 850. Furthermore, the electronic device 800 may also communicate with one or more networks (eg, a local area network (LAN), a wide area network (WAN), and/or a public network, such as the Internet) through a network adapter 860. As shown, network adapter 860 communicates with other modules of electronic device 800 via bus 830. It should be understood that, although not shown in the figures, other hardware and/or software modules may be used in conjunction with electronic device 800, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives And data backup storage system, etc.

Through the above description of the embodiments, those skilled in the art can easily understand that the example embodiments described here can be implemented by software, or can be implemented by software combined with necessary hardware. Therefore, the technical solution according to the embodiment of the present disclosure can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, U disk, mobile hard disk, etc.) or on the network , including several instructions to cause a computing device (which may be a personal computer, a server, a terminal device, a network device, etc.) to execute a method according to an embodiment of the present disclosure.

In particular, according to embodiments of the present disclosure, the process described above with reference to the flowchart can be implemented as a computer program product. The computer program product includes: a computer program that, when executed by a processor, implements the above-mentioned voice call network. Switch method.

In an exemplary embodiment of the present disclosure, a computer-readable storage medium is also provided, and the computer-readable storage medium may be a readable signal medium or a readable storage medium. Figure 9 shows a schematic diagram of a computer-readable storage medium in an embodiment of the disclosure. As shown in Figure 9, the computer-readable storage medium 900 stores a program product capable of implementing the above method of the disclosure. In some possible implementations, various aspects of the present disclosure can also be implemented in the form of a program product, which includes program code. When the program product is run on a terminal device, the program code is used to cause the The terminal device performs the steps according to various exemplary embodiments of the present disclosure described in the above "Example Method" section of this specification.

For example, when the program product in the embodiment of the present disclosure is executed by a processor, the following steps are implemented:

Initiate a VoWiFi voice call;

When the quality of the VoWiFi voice call is lower than the preset threshold, if the VoWiFi voice call meets the conditions for switching to VoNR, switch from VoWiFi to VoNR;

If the reason value returned by the network side device is received, the voice call on VoWiFi is maintained. The reason value indicates that the network does not support switching from VoWiFi to VoNR;

If the VoWiFi voice call meets the conditions for switching to VoLTE, switch from VoWiFi to VoLTE.

For example, when the program product in the embodiment of the present disclosure is executed by a processor, the following steps are implemented:

Search the LTE network and determine the LTE network that meets the conditions;

Attach to an LTE network that meets the conditions;

Switch from VoWiFi to VoLTE.

For example, when the program product in the embodiment of the present disclosure is executed by a processor, the following steps are implemented:

Release the connection on the NR network.

For example, when the program product in the embodiment of the present disclosure is executed by a processor, the following steps are implemented:

The terminal establishes an IMS session on the WiFi network and completes IMS registration. The terminal supports the VoWiFi service.

For example, when the program product in the embodiment of the present disclosure is executed by a processor, the following steps are implemented:

Determine whether to end the call;

If so, re-register on the 5G SA network.

For example, when the program product in the embodiment of the present disclosure is executed by a processor, the following steps are implemented:

If the reason value returned by the network side device is received, switching from VoWiFi to VoNR is prohibited within the preset period, and the voice call on VoWiFi is maintained.

For example, when the program product in the embodiment of the present disclosure is executed by a processor, the following steps are implemented:

During the period before this call ends;

The period prohibited by the terminal timer;

Same PLMN period.

More specific examples of computer readable storage media in this disclosure may include, but are not limited to: electrical connections having one or more wires, portable computer disks, hard drives, random access memory (RAM), read only memory (ROM), Erasable programmable read-only memory (EPROM or flash memory), fiber optics, portable compact disk read-only memory (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination of the above.

In this disclosure, a computer-readable storage medium may include a data signal propagated in baseband or as part of a carrier wave carrying readable program code therein. Such propagated data signals may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above. A readable signal medium may also be any readable medium other than a readable storage medium that can send, propagate, or transport the program for use by or in connection with an instruction execution system, apparatus, or device.

Alternatively, program code embodied on a computer-readable storage medium may be transmitted using any suitable medium, including but not limited to wireless, wired, optical cable, RF, etc., or any suitable combination of the above.

When implemented, program code for performing operations of the present disclosure may be written in any combination of one or more programming languages, including object-oriented programming languages such as Java, C++, etc., and Includes conventional procedural programming languages—such as "C" or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server execute on. In situations involving remote computing devices, the remote computing device may be connected to the user computing device through any kind of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computing device, such as provided by an Internet service. business to connect via the Internet).

It should be noted that although several modules or units of equipment for action execution are mentioned in the above detailed description, this division is not mandatory. In fact, according to embodiments of the present disclosure, the features and functions of two or more modules or units described above may be embodied in one module or unit. Conversely, the features and functions of one module or unit described above may be further divided into being embodied by multiple modules or units.

Furthermore, although various steps of the methods of the present disclosure are depicted in the drawings in a specific order, this does not require or imply that the steps must be performed in that specific order, or that all of the illustrated steps must be performed to achieve the desired results. result. Additionally or alternatively, certain steps may be omitted, multiple steps may be combined into one step for execution, and/or one step may be decomposed into multiple steps for execution, etc.

Through the description of the above embodiments, those skilled in the art can easily understand that the example embodiments described here can be implemented by software, or can be implemented by software combined with necessary hardware. Therefore, the technical solution according to the embodiment of the present disclosure can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, U disk, mobile hard disk, etc.) or on the network , including several instructions to cause a computing device (which may be a personal computer, a server, a mobile terminal, a network device, etc.) to execute a method according to an embodiment of the present disclosure.

Other embodiments of the disclosure will be readily apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. The present disclosure is intended to cover any variations, uses, or adaptations of the disclosure that follow the general principles of the disclosure and include common common sense or customary technical means in the technical field that are not disclosed in the disclosure. . 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.

Claims (7)

1. A voice call network switching method, characterized in that it is applied to a terminal and includes: The terminal establishes an IMS session on the WiFi network and completes IMS registration, where the terminal supports the VoWiFi service; Initiate a VoWiFi voice call; When the quality of the VoWiFi voice call is lower than the preset threshold, if the VoWiFi voice call meets the conditions for switching to VoNR, switch from VoWiFi to VoNR; If the reason value returned by the network side device is received, the voice call on VoWiFi is maintained, where the reason value indicates that the network does not support switching from VoWiFi to VoNR; If the VoWiFi voice call meets the conditions for switching to VoLTE, switch from VoWiFi to VoLTE; Among them, if the reason value returned by the network side device is received, maintaining the voice call on VoWiFi includes: if the reason value returned by the network side device is that the payload has not been forwarded, prohibiting the voice call from VoWiFi within a preset period. Switch to VoNR and maintain the voice call on VoWiFi; the preset period includes any of the following: the period before the current call ends; the period prohibited by the terminal timer; the period of the same PLMN. 2. The voice call network switching method according to claim 1, characterized in that if the VoWiFi voice call meets the conditions for switching to VoLTE, switching from VoWiFi to VoLTE includes: Search the LTE network and determine the LTE network that meets the conditions; Attach to the LTE network that meets the conditions; Switch from VoWiFi to VoLTE. 3. The voice call network switching method according to claim 1, characterized in that, after receiving the cause value returned by the network side device and maintaining the voice call on VoWiFi, the method further includes: Release the connection on the NR network. 4. The voice call network switching method according to claim 1, characterized in that, after switching from VoWiFi to VoLTE if the VoWiFi voice call meets the conditions for switching to VoLTE, the method further includes: Determine whether to end the call; If so, re-register on the 5G independent SA network. 5. A voice call network switching device, characterized in that it includes: The IMS registration module is used for the terminal to establish an IMS session on the WiFi network and complete the IMS registration, where the terminal supports the VoWiFi service; VoWiFi voice call initiation module, used to initiate VoWiFi voice calls; The VoNR switching module is used to switch from VoWiFi to VoNR when the quality of the VoWiFi voice call is lower than the preset threshold and if the VoWiFi voice call meets the conditions for switching to VoNR; The reason value receiving module is used to maintain the voice call on VoWiFi if a reason value returned by the network side device is received, where the reason value indicates that the network does not support switching from VoWiFi to VoNR; VoLTE switching module, used to switch from VoWiFi to VoLTE if the VoWiFi voice call meets the conditions for switching to VoLTE; Among them, if the reason value returned by the network side device is received, maintaining the voice call on VoWiFi includes: if the reason value returned by the network side device is that the payload has not been forwarded, prohibiting the voice call from VoWiFi within a preset period. Switch to VoNR and maintain the voice call on VoWiFi; the preset period includes any of the following: the period before the current call ends; the period prohibited by the terminal timer; the period of the same PLMN. 6. An electronic device, characterized by including: processor; and memory for storing executable instructions for the processor; Wherein, the processor is configured to execute the voice call network switching method according to any one of claims 1 to 4 by executing the executable instructions. 7. A computer-readable storage medium with a computer program stored thereon, characterized in that when the computer program is executed by a processor, the voice call network switching method according to any one of claims 1 to 4 is implemented.