CN112566205B - Communication service processing method and device - Google Patents
Communication service processing method and device Download PDFInfo
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- CN112566205B CN112566205B CN202011452322.1A CN202011452322A CN112566205B CN 112566205 B CN112566205 B CN 112566205B CN 202011452322 A CN202011452322 A CN 202011452322A CN 112566205 B CN112566205 B CN 112566205B
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- 238000004891 communication Methods 0.000 title claims abstract description 126
- 238000003672 processing method Methods 0.000 title abstract description 8
- 238000000034 method Methods 0.000 claims abstract description 75
- 238000005516 engineering process Methods 0.000 claims abstract description 16
- 230000004044 response Effects 0.000 claims description 23
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 101100490659 Arabidopsis thaliana AGP17 gene Proteins 0.000 description 12
- 101100049938 Neurospora crassa (strain ATCC 24698 / 74-OR23-1A / CBS 708.71 / DSM 1257 / FGSC 987) exr-1 gene Proteins 0.000 description 12
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
Abstract
The application discloses a processing method and device of communication service, and belongs to the technical field of communication. Wherein the method comprises the following steps: in the process that the electronic equipment performs switching from a first Radio Access Technology (RAT) to a second RAT, and under the condition that communication service to be processed is determined before switching is successful, the electronic equipment switches a network for processing the communication service to a circuit-switched (CS) network; the electronic device processes communication traffic through the CS network. By the method and the device, the problem that the terminal cannot normally call before IMS service switching is successful in the prior art is solved.
Description
Technical Field
The application belongs to the technical field of communication, and particularly relates to a method and a device for processing communication service.
Background
Most operators now support internet protocol multimedia subsystem (IP Multimedia Subsystem, IPM) networks, which may cause the terminal to fail to normally call for a long time during handover of IMS services, i.e. handover between radio access technologies (Radio Access Technology, RAT). For example, when the terminal re-registers RAT1, according to the protocol convention, the terminal starts a 128 second Timer (Timer F) for waiting for the response message, if the network does not respond to the re-registration message during the period, and if RAT1 handover RAT2 occurs during the period, the terminal cannot call out before the handover is successful, and the user experience is poor.
Disclosure of Invention
The embodiment of the application aims to provide a processing method and a processing device for communication service, which can solve the problem that a terminal cannot normally call before IMS service switching is successful in the prior art.
In a first aspect, an embodiment of the present application provides a method for processing a communication service, including: in the case where the electronic device determines that there is traffic handling during a handover from the first radio access technology, RAT, to the second RAT, and before the handover is successful, the electronic device switches the network currently handling traffic to a circuit switched (Circuit Switching, CS) network; the electronic device processes communication traffic through the CS network.
In a second aspect, an embodiment of the present application provides a processing apparatus for a communication service, including: a switching module, configured to switch a network currently processing communication service to a circuit switched CS network in a case where a communication service to be processed is determined before a handover success in a process of performing a handover from a first radio access technology RAT to a second RAT; and the first processing module is used for processing communication service through the CS network.
In the embodiment of the application, in the process of executing the switching from the first radio access technology RAT to the second RAT, that is, before the switching is successful, if the communication service to be transmitted is determined, the electronic device can switch the network currently processing the communication service to the CS network to process the communication service, so that the problem that the terminal cannot normally call before the IMS service is successfully switched in the prior art is avoided, the transmission of the communication service is ensured not to be interrupted, and the user experience is improved.
Drawings
Fig. 1 is a flowchart of a method for processing a communication service according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a processing device for communication service according to an embodiment of the present application;
FIG. 3 is a schematic diagram of an electronic device according to an embodiment of the present application;
fig. 4 is a schematic diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The terms first, second and the like in the description and in the claims, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
The following describes in detail a processing method of a communication service provided by the embodiment of the present application through a specific embodiment and an application scenario thereof with reference to the accompanying drawings.
The embodiment of the application provides a method for processing communication service, as shown in fig. 1, the method comprises the following steps:
step S102, in the process that the electronic equipment executes the switching from the first radio access technology RAT to the second RAT, and in the case that the communication service to be processed is determined before the switching is successful, the electronic equipment switches the network which is currently processing the communication service to the circuit switching network;
step S104, the communication service is processed through the CS network.
Through step S102 and step S104 in the embodiments of the present application, in the process of performing the handover from the first radio access technology RAT to the second RAT, that is, before the handover is successful, if it is determined that the communication service to be processed is to be processed, the electronic device may switch the network currently processing the communication service to the CS network to process the communication service, so that the problem in the prior art that the terminal cannot normally call before the IMS service is successfully switched is avoided, it is ensured that the transmission of the communication service is not interrupted, and the user experience is improved.
It should be noted that, the electronic device in the embodiment of the present application may be an intelligent terminal, an Ipad that may be used for a call, an intelligent watch, and so on. In addition, the communication service may be a telephone service, a short message service, a voice service, etc. in a specific application scenario.
In an optional implementation manner of the embodiment of the present application, the method steps of the embodiment of the present application may further include: step S106, after switching to the second RAT, the electronic equipment processes the communication service through the IMS network corresponding to the second RAT.
It can be seen that, in the present application, before switching to the second RAT, if the electronic device has a communication service to be processed, the electronic device may switch the network that currently processes the communication service to the CS network to process the communication service, and if switching to the second RAT is successful, the communication service may be processed through the IMS network corresponding to the second RAT, that is, the normal communication service transmission process is restored, so as to implement uninterrupted communication service transmission.
In an optional implementation manner in the embodiment of the present application, the manner of switching the electronic device to the circuit switched CS network in step S104 of the present application may include:
step S104-11, under the condition that communication service to be processed in the call is determined, the electronic equipment destroys the re-registration transaction of the first RAT;
step S104-12, the electronic equipment initiates a deregistration message of the first RAT and updates the IMS state of the first RAT into the deregistration state;
in step S104-13, the electronic device switches the network currently handling the communication traffic to a circuit switched CS network.
Through the steps S104-11 to S104-13, in the process of performing the handover from the first radio access technology RAT to the second RAT, if it is determined that there is a communication service pending for the call, the electronic device needs to destroy the re-registration transaction of the first RAT, initiate a de-registration message of the first RAT, and update the IMS state of the first RAT to the de-registration state, and in the case that the IMS services are all definitely unavailable, the electronic device may switch to the CS network through a circuit switched fallback (Circuit Switched Fallback, CSFB) scheme to process the communication service, such as an outgoing call.
It should be noted that, after the electronic device related to step S104-11 destroys the re-registration transaction of the first RAT, the method in the embodiment of the present application may further include: the electronic device terminates the second timer and stops executing the operation of waiting to receive the response message of the network side device in response to the re-registration, wherein the second timer is started when the first RAT is re-registered. During the running period of the timer, the electronic equipment can continuously wait for the response message of the network side responding to the re-registration, and after the timer is stopped, the electronic equipment can not wait for the response message of the network side responding to the re-registration so as to enter the flow of the communication service transmitted by the CS network after the subsequent switching.
For the manner in steps S104-11 to S104-13, taking the electronic device as an intelligent terminal as an example, the specific application scenario in the embodiment of the present application may include the following method steps:
in step S11, the terminal initiates an IMS re-registration message on RAT1, and according to the protocol convention, the terminal starts a 128 second Timer F (second Timer) for waiting for a response message from the network.
Wherein, it is assumed that the terminal fails to receive the response message of the network for a long time due to network abnormality and the like.
In step S12, during waiting for the network response message, the terminal triggers a RAT handover from RAT1 to RAT2. Since the previous response message is still in a waiting state, the terminal cannot immediately initiate the registration message of RAT2.
Step S13, if a call is made, the terminal firstly destroys the re-registration transaction of the RAT1 and stops the Timer F.
In step S14, the terminal re-initiates the de-registration message of RAT1, and updates the IMS state of RAT1 to the de-registration state, where IMS services of each RAT of the terminal are definitely unavailable.
In step S15, the terminal may switch to the CS network through the CSFB scheme, and make the call.
In another optional implementation manner of the embodiment of the present application, for the manner of switching the electronic device involved in step S104 to the circuit-switched CS network and transmitting the communication service through the CS network, the method may further include:
step S104-21, the electronic equipment starts a first timer;
step S104-22, after the first timer is overtime, the electronic equipment destroys the re-registration transaction of the first RAT;
step S104-23, the electronic equipment initiates a deregistration message of a first RAT and carries out IMS registration on a second RAT;
step S104-24, before the registration is successful and under the condition that the conversation is determined to be called out, the electronic equipment switches the network which is currently processing the communication service to the circuit switching CS network.
Through the steps S104-21 to S104-24, a first timer may be started, before the first timer expires, indicating that the electronic device is continuing to wait for the response message of the network, after the first timer expires, the electronic device destroys the re-registration transaction of the first RAT and initiates the de-registration message of the first RAT, and performs IMS registration on the second RAT, after that, the electronic device switches to the circuit switched CS network and transmits the communication service through the CS network when it is determined that the call is waiting to be expired.
It should be noted that, after the electronic device related to step S104-21 destroys the re-registration transaction of the first RAT, the method in the embodiment of the present application may further include: the electronic device stops the second timer and stops executing the operation of waiting to receive the response message of the network side device in response to the re-registration, wherein the second timer is started when the first RAT is re-registered. During the running period of the timer, the electronic equipment can continuously wait for the response message of the network side responding to the re-registration, and after the timer is stopped, the electronic equipment can not wait for the response message of the network side responding to the re-registration so as to enter the flow of the communication service transmitted by the CS network after the subsequent switching. The first timer runs for a shorter period of time than the second timer, i.e., a subsequent RAT handover is initiated in a short period of time. That is, the steps S104-11 to S104-13 are processing of communication traffic through the CS network after determining that there is communication traffic processing, and the steps S104-21 to S104-13 are continuing to perform subsequent RAT handover after the first timer expires, and switching to the CS network for communication traffic processing if there is communication traffic to be transmitted before the handover is successful.
It should be noted that, for the case that the registration is successful and it is determined that there is a call to be outgoing, which is referred to in the above step S104-23, the electronic device switches the network that currently processes the communication service to the circuit-switched CS network, and the manner of processing the communication service through the CS network includes one of the following: under the condition that the communication service to be processed is determined in the second RAT registration process, the electronic equipment calls out through the CS network; or in the case that the communication service to be processed is determined after the registration failure of the second RAT, the electronic device calls out through the CS network.
For the steps S104-21 to S104-23, taking the electronic device as an example of an intelligent terminal, in a specific application scenario, the method of the embodiment of the present application may include:
step S21, the terminal initiates IMS re-registration message on RAT1, according to protocol convention, the terminal starts a Timer F (second Timer) of 128 seconds for waiting the response message of the network;
wherein, it is assumed that the terminal fails to receive the response message of the network for a long time due to network abnormality and the like.
Step S22, during the period of waiting for the network response message, the terminal triggers the RAT switching from the RAT1 to the RAT2;
wherein, since the previous response message is still in a waiting state, the terminal cannot immediately initiate the registration message of RAT2;
step S23, the terminal starts a timer X (first timer) and waits for a period of several seconds;
step S24, if the response message of the network is not received, the terminal firstly destroys the re-registration transaction of the RAT1 and stops the Timer F;
step S25, the terminal re-initiates the de-registration message of the RAT1 and updates the IMS state of the RAT1 to the de-registration state, and at this time, the IMS services of each RAT of the terminal are definitely in an unavailable state;
step S26, the terminal immediately performs initial registration of IMS on RAT2;
step S27, in the IMS initial registration process of the RAT2, the terminal dials a call at the moment, and then the call is switched to a CS network through a CSFB scheme, and the call is called;
step S28, if the IMS initial registration of the terminal on the RAT2 fails, the terminal dials a call at the moment, the terminal is switched to a CS network through a CSFB scheme, and the call is sent out;
in step S29, after the initial registration of the IMS on the RAT2 is successful, the terminal dials a call at this time, and directly sends the call out through the IMS network on the RAT2.
It should be noted that, in the method for processing a communication service provided in the embodiment of the present application, the execution body may be a processing device for a communication service, or a control module for executing the method for processing a communication service in the processing device for a communication service. In the embodiment of the present application, a processing method for executing a communication service by a processing device for a communication service is taken as an example, and the processing device for a communication service provided in the embodiment of the present application is described.
An embodiment of the present application provides a processing device for a communication service, as shown in fig. 2, where the device includes:
a switching module 22, configured to switch a network currently handling communication traffic to a circuit switched CS network in a process of performing a handover from a first radio access technology RAT to a second RAT, and before the handover is successful and in a case where communication traffic to be transmitted is determined;
a first processing module 24 for processing communication traffic through the CS network.
According to the device, in the process of executing the switching from the first radio access technology RAT to the second RAT, namely before the switching is successful, if the to-be-processed communication service is determined, the electronic equipment can be switched to the CS network to process the communication service, so that the problem that the electronic equipment cannot normally call before the IMS service is successfully switched in the prior art is avoided, the uninterrupted processing of the communication service is ensured, and the user experience is improved.
Optionally, the switching module 22 in the embodiment of the present application may further include: the first destroying unit is used for destroying the re-registration transaction of the first RAT under the condition that communication service to be processed in the call is determined; a deregistration unit, configured to initiate a deregistration message of the first RAT, and update an IMS state of the first RAT to a deregistration state; and the first switching unit is used for switching the network which is currently processing the communication service to the circuit switched CS network.
Optionally, the switching module 22 in the embodiment of the present application may further include: the starting unit is used for starting the first timer; the second destroying unit is used for destroying the re-registration transaction of the first RAT after the first timer is overtime; a registration unit, configured to initiate a deregistration message of a first RAT and perform IMS registration on a second RAT; and the second switching unit is used for switching the network which is currently processing the communication service to the circuit switching CS network before the registration is successful and under the condition that the call is determined to be called out.
Optionally, the apparatus in the embodiment of the present application may further include: and the second processing module is used for stopping the second timer after destroying the re-registration transaction of the first RAT and stopping executing the operation of waiting for receiving the response message of the network side equipment responding to the re-registration, wherein the second timer is started when the first RAT is re-registered.
Optionally, the second switching unit in the embodiment of the present application includes one of the following: a first switching subunit, configured to switch, when determining that a communication service is to be processed in the second RAT registration process, a network that currently processes the communication service to a CS network; or the second switching subunit is configured to switch the network currently processing the communication service to the CS network if the communication service to be processed is determined after the registration failure of the second RAT.
Optionally, the apparatus in the embodiment of the present application may further include: and the third processing module is used for processing the communication service through the IMS network corresponding to the second RAT after switching to the second RAT.
The processing device of the communication service in the embodiment of the application may be a device, or may be a component, an integrated circuit, or a chip in a terminal. The device may be a mobile electronic device or a non-mobile electronic device. By way of example, the mobile electronic device may be a cell phone, tablet computer, notebook computer, palm computer, vehicle-mounted electronic device, wearable device, ultra-mobile personal computer (ultra-mobile personal computer, UMPC), netbook or personal digital assistant (personal digital assistant, PDA), etc., and the non-mobile electronic device may be a server, network attached storage (Network Attached Storage, NAS), personal computer (personal computer, PC), television (TV), teller machine or self-service machine, etc., and the embodiments of the present application are not limited in particular.
The processing device for communication service in the embodiment of the present application may be a device having an operating system. The operating system may be an Android operating system, an ios operating system, or other possible operating systems, which are not specifically limited in the embodiments of the present application.
The processing device for communication service provided in this embodiment of the present application can implement each process implemented by the method embodiment of fig. 1, and in order to avoid repetition, a description is omitted here.
Optionally, as shown in fig. 3, the embodiment of the present application further provides an electronic device 300, including a processor 301, a memory 302, and a program or an instruction stored in the memory 302 and capable of running on the processor 301, where the program or the instruction implements each process of the foregoing embodiment of the method for processing a communication service when executed by the processor 301, and the process can achieve the same technical effect, and for avoiding repetition, a detailed description is omitted herein.
The electronic device in the embodiment of the application includes the mobile electronic device and the non-mobile electronic device described above.
Fig. 4 is a schematic hardware structure of an electronic device implementing an embodiment of the present application.
The electronic device 400 includes, but is not limited to: radio frequency unit 401, network module 402, audio output unit 403, input unit 404, sensor 405, display unit 406, user input unit 407, interface unit 408, memory 409, and processor 410.
Those skilled in the art will appreciate that the electronic device 400 may also include a power source (e.g., a battery) for powering the various components, which may be logically connected to the processor 410 by a power management system to perform functions such as managing charge, discharge, and power consumption by the power management system. The electronic device structure shown in fig. 4 does not constitute a limitation of the electronic device, and the electronic device may include more or less components than those in fig. 4, or may combine some components, or may be arranged in different components, which are not described herein.
Wherein the processor 410 is configured to switch a network currently handling communication traffic to a circuit switched CS network in a process of performing a handover from a first radio access technology RAT to a second RAT and in a case where it is determined that the communication traffic to be handled is to be handled before the handover is successful;
a radio frequency unit 401, configured to process communication traffic through the CS network.
According to the method and the device for switching the communication service from the first radio access technology RAT to the second RAT, in the process of executing the switching from the first radio access technology RAT to the second RAT, namely before the switching is successful, if the communication service to be processed is determined, the communication service can be processed by switching to the CS network, the problem that the terminal cannot normally call before the IMS service is successfully switched in the prior art is avoided, the fact that the processing of the communication service is not interrupted is guaranteed, and the user experience is improved.
Optionally, the processor 410 is further configured to destroy a re-registration transaction of the first RAT, initiate a de-registration message of the first RAT, update an IMS state of the first RAT to a de-registration state, and further switch a network currently handling a communication service to a circuit switched CS network, if it is determined that there is a communication service to be handled in the call;
the radio frequency unit 401 is further configured to process communication traffic through the CS network.
Optionally, the processor 410 is further configured to start a first timer; destroying re-registration transactions of the first RAT after the first timer expires; initiating a deregistration message of the first RAT and performing IMS registration on the second RAT; before successful registration and under the condition that the call is determined to be called, switching the network for processing the communication service to a circuit switching CS network;
the radio frequency unit 401 is further configured to process communication traffic through the CS network.
Optionally, the processor 410 is further configured to terminate a second timer after destroying the re-registration transaction of the first RAT, and stop executing the operation of waiting for the receiving network side device to respond to the re-registration response message, where the second timer is started when the first RAT is re-registered.
Optionally, the radio frequency unit 401 is further configured to process, after switching to the second RAT, a communication service through an IMS network corresponding to the second RAT.
It should be appreciated that in embodiments of the present application, the input unit 404 may include a graphics processor (Graphics Processing Unit, GPU) 4041 and a microphone 4042, with the graphics processor 4041 processing image data of still pictures or video obtained by an image capture device (e.g., a camera) in a video capture mode or an image capture mode. The display unit 406 may include a display panel 4061, and the display panel 4061 may be configured in the form of a liquid crystal display, an organic light emitting diode, or the like. The user input unit 407 includes a touch panel 4071 and other input devices 4072. The touch panel 4071 is also referred to as a touch screen. The touch panel 4071 may include two parts, a touch detection device and a touch controller. Other input devices 4072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and so forth, which are not described in detail herein. Memory 409 may be used to store software programs as well as various data including, but not limited to, application programs and an operating system. The processor 410 may integrate an application processor that primarily handles operating systems, user interfaces, applications, etc., with a modem processor that primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 410.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the processing method embodiment of the communication service, and the same technical effects can be achieved, so that repetition is avoided, and no further description is provided herein.
Wherein the processor is a processor in the electronic device described in the above embodiment. The readable storage medium includes a computer readable storage medium such as a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), a magnetic disk or an optical disk, and the like.
The embodiment of the application further provides a chip, the chip includes a processor and a communication interface, the communication interface is coupled with the processor, and the processor is configured to run a program or an instruction, implement each process of the processing method embodiment of the communication service, and achieve the same technical effect, so that repetition is avoided, and no redundant description is provided herein.
It should be understood that the chips referred to in the embodiments of the present application may also be referred to as system-on-chip chips, chip systems, or system-on-chip chips, etc.
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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk), including several instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method described in the embodiments of the present application.
The embodiments of the present application have been described above with reference to the accompanying drawings, but the present application is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.
Claims (10)
1. A method for processing a communication service, comprising:
in the process that the electronic equipment performs switching from a first Radio Access Technology (RAT) to a second RAT, and under the condition that communication service to be processed is determined before the IMS service is successfully switched, the electronic equipment switches a network for processing the communication service to a Circuit Switching (CS) network;
the electronic equipment processes communication service through the CS network;
the method further comprises the steps of:
and after the electronic equipment is successfully switched to the second RAT, the electronic equipment processes communication service through an IMS network corresponding to the second RAT.
2. The method of claim 1, wherein the electronic device switches to a circuit switched, CS, network, comprising:
under the condition that communication service to be processed in the conversation is determined, the electronic equipment destroys a re-registration transaction of the first RAT;
the electronic equipment initiates a deregistration message of the first RAT and updates the IMS state of the first RAT to a deregistration state;
the electronic device switches the network currently handling the communication traffic to a circuit switched, CS, network.
3. The method of claim 1, wherein the electronic device switching the network currently handling communication traffic to a circuit switched, CS, network comprises:
starting a first timer;
destroying re-registration transactions of the first RAT after the first timer expires;
initiating a deregistration message of the first RAT and performing IMS registration on the second RAT;
before the registration is successful and under the condition that the conversation is determined to be outgoing, the electronic equipment switches the network which is currently processing the communication service to a circuit switched CS network.
4. A method according to claim 2 or 3, characterized in that after destroying the re-registration transaction of the first RAT, the method further comprises:
and stopping the second timer and stopping executing the operation of waiting for receiving the response message of the network side equipment responding to the re-registration, wherein the second timer is started when the first RAT is re-registered.
5. A method according to claim 3, wherein, before registration is successful and in the event that a call is determined to be outgoing, the electronic device switching the network currently handling communication traffic to a circuit switched, CS, network comprises one of:
under the condition that the communication service to be processed is determined in the second RAT registration process, the electronic equipment switches the network for processing the communication service currently to a CS network; or,
and under the condition that the communication service to be processed is determined after the registration failure of the second RAT, the electronic equipment switches the network which is currently processing the communication service to a CS network.
6. A communication service processing apparatus, comprising:
a switching module, configured to switch a network currently handling a communication service to a circuit switched CS network in a case where a communication service to be handled is determined before an IMS service is successfully switched in a process of performing a handover from a first radio access technology RAT to a second RAT;
a first processing module for processing communication service through the CS network;
the apparatus further comprises:
and the third processing module is used for processing the communication service through the IMS network corresponding to the second RAT after the second RAT is successfully switched to.
7. The apparatus of claim 6, wherein the switching module comprises:
the first destroying unit is used for destroying the re-registration transaction of the first RAT under the condition that communication service to be processed in the call is determined;
a deregistration unit, configured to initiate a deregistration message of the first RAT, and update an IMS state of the first RAT to a deregistration state;
and the first switching unit is used for switching the network which is currently processing the communication service to the circuit switched CS network.
8. The apparatus of claim 6, wherein the switching module comprises:
the starting unit is used for starting the first timer;
the second destroying unit is used for destroying the re-registration transaction of the first RAT after the first timer is overtime;
a registration unit, configured to initiate a deregistration message of the first RAT and perform IMS registration on the second RAT;
and the second switching unit is used for switching the network which is currently processing the communication service to the circuit switching CS network before the registration is successful and under the condition that the call is determined to be called out.
9. The apparatus according to claim 7 or 8, characterized in that the apparatus further comprises:
and the second processing module is used for terminating a second timer after destroying the re-registration transaction of the first RAT and stopping executing the operation of waiting for receiving the response message of the network side equipment responding to the re-registration, wherein the second timer is started when the first RAT is re-registered.
10. The apparatus of claim 8, wherein the second switching unit comprises one of:
a first switching subunit, configured to switch, when determining that a communication service is to be processed in the second RAT registration process, a network that currently processes the communication service to a CS network; or,
and the second switching subunit is used for switching the network currently processing the communication service to the CS network under the condition that the communication service to be processed is determined after the registration failure of the second RAT.
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