CN105722158B - Voice call method, voice calling device and terminal - Google Patents
Voice call method, voice calling device and terminal Download PDFInfo
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- CN105722158B CN105722158B CN201610064463.3A CN201610064463A CN105722158B CN 105722158 B CN105722158 B CN 105722158B CN 201610064463 A CN201610064463 A CN 201610064463A CN 105722158 B CN105722158 B CN 105722158B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1096—Supplementary features, e.g. call forwarding or call holding
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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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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Business, Economics & Management (AREA)
- General Business, Economics & Management (AREA)
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Abstract
The invention proposes a kind of voice call method, a kind of voice calling device and a kind of terminals, wherein, voice call method includes: after initiating multimedia subsystem, IMS voice call request, it is determined whether receives the instruction of voice business continuity scheme SRVCC call forwarding；When determining that receiving voice business continuity scheme SRVCC call forwarding instructs, fall after rise to 3G network or 2G network；According to voice business continuity scheme SRVCC call forwarding instruct, judge current area configuration information whether support circuit-switched domain CS business；When the judgment result is yes, CS audio call is directly executed, otherwise, in current area launch position register flow path LAU.According to the technical solution of the present invention, avoid the problem of carrying out the failure of CS audio call in the case where only supporting PS business after 4G network carries out SRVCC call forwarding falling 3G or 2G network, call successful rate is increased, the user experience in voice call procedure is improved.
Description
Technical field
The present invention relates to field of terminal technology, in particular to a kind of voice call method, a kind of voice calling device
With a kind of terminal.
Background technique
Currently, VoLTE technology, that is, Voice over LTE, is the voice service based on IMS (IP multimedia subsystem, IMS), it is complete
Portion's service bearer in 4G network, it can be achieved that the unification of data and voice service under consolidated network, currently, with mobile communication skill
The application of the development of art, VoLTE technology is also more and more extensive, by using VoLTE technology, can make the talkthrough waiting time
Shorter, speech quality is higher.
When existing VoLTE terminal initiates IMS voice service, network side network coverage quality according to locating for present terminal
Whether assessment network needs to switch the call to circuit commutative field CS, is switched to circuit commutative field CS if necessary, then can trigger
SRVCC (voice business continuity scheme) process conversates transfer, in this way, audio call is just from 4G network transitions to 3G network
Or 2G network.
But the case where current network only supports PS business can be met in the above scheme, calling is often resulted at this time loses
It loses.
Therefore a kind of new technical solution is needed, the success rate of IMS audio call is able to ascend.
Summary of the invention
The present invention is based on the above problems, proposes a kind of new technical solution, be able to ascend IMS audio call at
Power.
In view of this, an aspect of of the present present invention proposes a kind of voice call method, comprising: initiating IP multimedia subsystem, IMS
After IMS voice call request, it is determined whether receive the instruction of voice business continuity scheme SRVCC call forwarding；When determination receives
When the voice business continuity scheme SRVCC call forwarding instructs, fall after rise to 3G network or 2G network；In the 3G network or
It in the 2G network, is instructed according to the voice business continuity scheme SRVCC call forwarding, judge current area matches confidence
Breath whether support circuit-switched domain CS business；When the judgment result is yes, CS audio call is directly executed, when the judging result
When being no, in the current area launch position register flow path LAU, for executing CS audio call.
In the technical scheme, after initiating IMS voice call request, network side network coverage according to locating for present terminal
Whether quality evaluation network needs to carry out SRVCC calling switching, if it is desired, then issues SRVCC call forwarding to present terminal
Instruction, with indicate present terminal to current area carry out configuration information detection, and judge its configuration information whether support circuits
Switching domain CS business, if supported, explanation can effectively carry out CS audio call, if not support circuit-switched domain CS business,
It only supports PS business, then can directly re-initiate location registration process LAU, wherein location registration process LAU is terminal selection
A kind of location registration process for location area updating initiated after cell, so as to realize and support electricity after succeeding in registration
Road switching domain CS business is convenient for further progress CS audio call.By the technical solution, avoids and carried out in 4G network
SRVCC call forwarding only supports the problem of failure of CS audio call is carried out in the case where PS business after falling 3G or 2G network after rise, increases
The call successful rate for having added terminal improves the user experience in voice call procedure.
Wherein, judge current area configuration information whether support circuit-switched domain CS business, it is small can specifically to calculate this
The wireless percent of call completed of the CS in area, the RAB that the wireless percent of call completed of CS is equal to circuit commutative field are created as power and circuit commutative field
RRC (wireless heterogeneous networks) connection is created as the product of power, specifically, if terminal will carry out circuit commutative field CS industry
Business, it is necessary to complete to establish RAB (radio access bearer) after RRC connection being just able to achieve basic call after RAB is built up
It establishes, therefore, when the wireless percent of call completed of CS reaches predetermined threshold, i.e., it is believed that circuit commutative field CS business can be by cell branch
It holds.
In the above-mentioned technical solutions, it is preferable that determine whether to receive voice business continuity scheme SRVCC calling described
Before transfer instruction, further includes: it is instructed according to the IMS audio call that receives, by call management layer CM backup call information,
And the multimedia subsystem, IMS voice call request is initiated to 4G network.
In the technical scheme, user initiates the instruction of IMS audio call, FrameWork (application by the dial of terminal
The message management layer of state) it can be instructed according to the IMS audio call received, it is (hard between upper layer application and bottom by RIL
Part level of abstraction) IMS voice call request is issued to call management layer CM, so as to call management layer CM backup call information and initiate
IMS call flow.
In any of the above-described technical solution, it is preferable that initiate the multimedia subsystem, IMS voice to 4G network described
After call request, further includes: detect whether to receive the SRVCC response message from the 4G network, wherein when determination connects
When receiving the SRVCC response message, the voice business continuity scheme SRVCC is obtained from the SRVCC response message
Call forwarding instruction.
In the technical scheme, it after FrameWork issues IMS voice call request to call management layer CM, needs in real time
It verifies whether to receive the SRVCC response message that network returns, only receives the SRVCC response message of network passback, just explanation
Need to fall after rise further detect to 3G or 2G network the current area of access configuration information whether support circuit-switched
Domain CS business.By the technical solution, the validity and accuracy of network connection are improved.
In any of the above-described technical solution, it is preferable that the current area is UTRAN cell or GERAN cell.
In the technical scheme, UTRAN cell, that is, 3G cell, GERAN cell, that is, 2G cell pass through the technical solution, inspection
Survey access current area configuration information whether support circuit-switched domain CS business, can be used in different types of cell,
Convenient for the success rate of the voice call service of the different types of cell of promotion.
In any of the above-described technical solution, it is preferable that the configuration information for judging current area whether support circuits
After switching domain CS business, when the judging result is no, comprising: whether detection present call state is dialing state；Work as inspection
Surveying result is when being, in the current area launch position register flow path LAU, for executing CS after re-starting LAU registration
Audio call；When the testing result is no, call exception information is reported by call management layer CM.
In the technical scheme, if judging current area not support circuit-switched according to the configuration information of current area
Domain CS business only supports PS business, then can further detect present call state, if present call state is dialing state,
Illustrate just in voice call procedure, in order to ensure going on smoothly for audio call, needs to re-start LAU registration at once, with
Just CS audio call can be carried out with support circuit-switched domain CS business after re-starting LAU registration.And if active calls shape
State is not dialing state, then directly call exception information can be reported by call management layer CM, so that CS language cannot be realized successfully
The problem of sound calls is found in time.
Another aspect of the present invention proposes a kind of voice calling device, comprising: determination unit is initiating multimedia subsystem
After IMS voice call request of uniting, it is determined whether receive the instruction of voice business continuity scheme SRVCC call forwarding；Network change
Unit is fallen after rise when determining that receiving the voice business continuity scheme SRVCC call forwarding instructs to 3G network or 2G net
Network；Judging unit turns in the 3G network or the 2G network according to voice business continuity scheme SRVCC calling
Move instruction, judge current area configuration information whether support circuit-switched domain CS business；Execution unit, when judging result is yes
When, direct execution CS audio call, when the judging result is no, in the current area launch position register flow path LAU,
For executing CS audio call.
In the technical scheme, after initiating IMS voice call request, network side network coverage according to locating for present terminal
Whether quality evaluation network needs to carry out SRVCC calling switching, if it is desired, then issues SRVCC call forwarding to present terminal
Instruction, with indicate present terminal to current area carry out configuration information detection, and judge its configuration information whether support circuits
Switching domain CS business, if supported, explanation can effectively carry out CS audio call, if not support circuit-switched domain CS business,
It only supports PS business, then can directly re-initiate location registration process LAU, wherein location registration process LAU is terminal selection
A kind of location registration process for location area updating initiated after cell, so as to realize and support electricity after succeeding in registration
Road switching domain CS business is convenient for further progress CS audio call.By the technical solution, avoids and carried out in 4G network
SRVCC call forwarding only supports the problem of failure of CS audio call is carried out in the case where PS business after falling 3G or 2G network after rise, increases
The call successful rate for having added terminal improves the user experience in voice call procedure.
Wherein, judge current area configuration information whether support circuit-switched domain CS business, it is small can specifically to calculate this
The wireless percent of call completed of the CS in area, the RAB that the wireless percent of call completed of CS is equal to circuit commutative field are created as power and circuit commutative field
RRC (wireless heterogeneous networks) connection is created as the product of power, specifically, if terminal will carry out circuit commutative field CS industry
Business, it is necessary to complete to establish RAB (radio access bearer) after RRC connection being just able to achieve basic call after RAB is built up
It establishes, therefore, when the wireless percent of call completed of CS reaches predetermined threshold, i.e., it is believed that circuit commutative field CS business can be by cell branch
It holds.
In any of the above-described technical solution, it is preferable that further include: unit is initiated in call request, determines whether to receive described
To before the instruction of voice business continuity scheme SRVCC call forwarding, instructed according to the IMS audio call received, by exhaling
It is management level CM backup call information, and initiates the multimedia subsystem, IMS voice call request to 4G network.
In the technical scheme, user initiates the instruction of IMS audio call, FrameWork (application by the dial of terminal
The message management layer of state) it can be instructed according to the IMS audio call received, it is (hard between upper layer application and bottom by RIL
Part level of abstraction) IMS voice call request is issued to call management layer CM, so as to call management layer CM backup call information and initiate
IMS call flow.
In any of the above-described technical solution, it is preferable that further include: response message acknowledgement unit is sent out described to 4G network
After playing the multimedia subsystem, IMS voice call request, detect whether to receive the SRVCC response from the 4G network
Information, wherein when determination receives the SRVCC response message, the voice industry is obtained from the SRVCC response message
Continuous scheme SRVCC call forwarding of being engaged in instruction.
In the technical scheme, it after FrameWork issues IMS voice call request to call management layer CM, needs in real time
It verifies whether to receive the SRVCC response message that network returns, only receives the SRVCC response message of network passback, just explanation
Need to fall after rise further detect to 3G or 2G network the current area of access configuration information whether support circuit-switched
Domain CS business.By the technical solution, the validity and accuracy of network connection are improved.
In any of the above-described technical solution, it is preferable that the current area includes UTRAN cell or GERAN cell.
In the technical scheme, UTRAN cell, that is, 3G cell, GERAN cell, that is, 2G cell pass through the technical solution, inspection
Survey access current area configuration information whether support circuit-switched domain CS business, can be used in different types of cell,
Convenient for the success rate of the voice call service of the different types of cell of promotion.
In any of the above-described technical solution, it is preferable that the execution unit includes: call state detection unit, described
Judging unit judge the configuration information of the current area not support circuit-switched domain CS business when, detection present call state is
No is dialing state；LAU re-register unit, when the call state detection unit detects the present call state for dialing state
When, in the current area launch position register flow path LAU, for executing CS audio call after re-starting LAU registration；It is different
Normal information reporting unit passes through when it is dialing state that the call state detection unit, which detects the present call state not,
Call management layer CM reports call exception information.
In the technical scheme, if judging current area not support circuit-switched according to the configuration information of current area
Domain CS business only supports PS business, then can further detect present call state, if present call state is dialing state,
Illustrate just in voice call procedure, in order to ensure going on smoothly for audio call, needs to re-start LAU registration at once, with
Just CS audio call can be carried out with support circuit-switched domain CS business after re-starting LAU registration.And if active calls shape
State is not dialing state, then directly call exception information can be reported by call management layer CM, so that CS language cannot be realized successfully
The problem of sound calls is found in time.
Another aspect of the invention proposes a kind of terminal, including audio call described in any one of above-mentioned technical proposal
Device, therefore, the terminal have technical effect identical with the voice calling device described in any one of above-mentioned technical proposal, In
This is repeated no more.
By above technical scheme, avoids and only prop up after SRVCC call forwarding falls 3G or 2G network after rise in 4G network
The problem of failure of CS audio call is carried out in the case where holding PS business, increases the call successful rate of terminal, improves voice and exhale
It is user experience in the process.
Detailed description of the invention
Fig. 1 shows the flow chart of voice call method according to an embodiment of the invention；
Fig. 2 shows the block diagrams of voice calling device according to an embodiment of the invention；
Fig. 3 shows the block diagram of terminal according to an embodiment of the invention；
Fig. 4 shows the flow chart of voice call method according to another embodiment of the invention.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 shows the flow chart of voice call method according to an embodiment of the invention.
As shown in Figure 1, voice call method according to an embodiment of the invention, comprising:
Step 102, after initiating multimedia subsystem, IMS voice call request, it is determined whether it is continuous to receive voice service
Property scheme SRVCC call forwarding instruction；
Step 104, it when determining that receiving the voice business continuity scheme SRVCC call forwarding instructs, falls after rise to 3G
Network or 2G network；
Step 106, it in the 3G network or the 2G network, is exhaled according to the voice business continuity scheme SRVCC
Be transfer instruction, judge current area configuration information whether support circuit-switched domain CS business；
Step 108, when the judgment result is yes, CS audio call is directly executed, when the judging result is no, in institute
Current area launch position register flow path LAU is stated, for executing CS audio call.
In the technical scheme, after initiating IMS voice call request, network side network coverage according to locating for present terminal
Whether quality evaluation network needs to carry out SRVCC calling switching, if it is desired, then issues SRVCC call forwarding to present terminal
Instruction, with indicate present terminal to current area carry out configuration information detection, and judge its configuration information whether support circuits
Switching domain CS business, if supported, explanation can effectively carry out CS audio call, if not support circuit-switched domain CS business,
It only supports PS business, then can directly re-initiate location registration process LAU, wherein location registration process LAU is terminal selection
A kind of location registration process for location area updating initiated after cell, so as to realize and support electricity after succeeding in registration
Road switching domain CS business is convenient for further progress CS audio call.By the technical solution, avoids and carried out in 4G network
SRVCC call forwarding only supports the problem of failure of CS audio call is carried out in the case where PS business after falling 3G or 2G network after rise, increases
The call successful rate for having added terminal improves the user experience in voice call procedure.
Wherein, judge current area configuration information whether support circuit-switched domain CS business, it is small can specifically to calculate this
The wireless percent of call completed of the CS in area, the RAB that the wireless percent of call completed of CS is equal to circuit commutative field are created as power and circuit commutative field
RRC (wireless heterogeneous networks) connection is created as the product of power, specifically, if terminal will carry out circuit commutative field CS industry
Business, it is necessary to complete to establish RAB (radio access bearer) after RRC connection being just able to achieve basic call after RAB is built up
It establishes, therefore, when the wireless percent of call completed of CS reaches predetermined threshold, i.e., it is believed that circuit commutative field CS business can be by cell branch
It holds.
In the above-mentioned technical solutions, it is preferable that before step 102, further includes: according to the IMS audio call received
Instruction by call management layer CM backup call information, and is initiated the multimedia subsystem, IMS audio call to 4G network and is asked
It asks.
In the technical scheme, user initiates the instruction of IMS audio call, FrameWork (application by the dial of terminal
The message management layer of state) it can be instructed according to the IMS audio call received, it is (hard between upper layer application and bottom by RIL
Part level of abstraction) IMS voice call request is issued to call management layer CM, so as to call management layer CM backup call information and initiate
IMS call flow.
In any of the above-described technical solution, it is preferable that initiate the multimedia subsystem, IMS voice to 4G network described
After call request, further includes: detect whether to receive the SRVCC response message from the 4G network, wherein when determination connects
When receiving the SRVCC response message, the voice business continuity scheme SRVCC is obtained from the SRVCC response message
Call forwarding instruction.
In the technical scheme, it after FrameWork issues IMS voice call request to call management layer CM, needs in real time
It verifies whether to receive the SRVCC response message that network returns, only receives the SRVCC response message of network passback, just explanation
Need to fall after rise further detect to 3G or 2G network the current area of access configuration information whether support circuit-switched
Domain CS business.By the technical solution, the validity and accuracy of network connection are improved.
In any of the above-described technical solution, it is preferable that the current area is UTRAN cell or GERAN cell.
In the technical scheme, UTRAN cell, that is, 3G cell, GERAN cell, that is, 2G cell pass through the technical solution, inspection
Survey access current area configuration information whether support circuit-switched domain CS business, can be used in different types of cell,
Convenient for the success rate of the voice call service of the different types of cell of promotion.
In any of the above-described technical solution, it is preferable that the configuration information for judging current area whether support circuits
After switching domain CS business, in step 108, when the judging result is no, comprising: whether detection present call state is to dial
Number state；When the test results is yes, in the current area launch position register flow path LAU, for re-starting LAU registration
CS audio call is executed afterwards；When the testing result is no, call exception information is reported by call management layer CM.
In the technical scheme, if judging current area not support circuit-switched according to the configuration information of current area
Domain CS business only supports PS business, then can further detect present call state, if present call state is dialing state,
Illustrate just in voice call procedure, in order to ensure going on smoothly for audio call, needs to re-start LAU registration at once, with
Just CS audio call can be carried out with support circuit-switched domain CS business after re-starting LAU registration.And if active calls shape
State is not dialing state, then directly call exception information can be reported by call management layer CM, so that CS language cannot be realized successfully
The problem of sound calls is found in time.
Fig. 2 shows the block diagrams of voice calling device according to an embodiment of the invention.
As shown in Fig. 2, voice calling device 200 according to an embodiment of the invention, comprising: determination unit 202, net
Network changing unit 204, judging unit 206 and execution unit 208.
Wherein it is determined that unit 202 is used for after initiating multimedia subsystem, IMS voice call request, it is determined whether receive
The instruction of voice business continuity scheme SRVCC call forwarding；Network changing unit 204 is used to receive institute's voice traffic when determination
When continuous scheme SRVCC call forwarding instructs, fall after rise to 3G network or 2G network；Judging unit 206 is used in the 3G net
In network or the 2G network, is instructed according to the voice business continuity scheme SRVCC call forwarding, judge matching for current area
Confidence breath whether support circuit-switched domain CS business；Execution unit 208 is for when the judgment result is yes, directly executing CS voice
Calling, in the current area launch position register flow path LAU, is exhaled when the judging result is no for executing CS voice
It cries.
In the technical scheme, after initiating IMS voice call request, network side network coverage according to locating for present terminal
Whether quality evaluation network needs to carry out SRVCC calling switching, if it is desired, then issues SRVCC call forwarding to present terminal
Instruction, with indicate present terminal to current area carry out configuration information detection, and judge its configuration information whether support circuits
Switching domain CS business, if supported, explanation can effectively carry out CS audio call, if not support circuit-switched domain CS business,
It only supports PS business, then can directly re-initiate location registration process LAU, wherein location registration process LAU is terminal selection
A kind of location registration process for location area updating initiated after cell, so as to realize and support electricity after succeeding in registration
Road switching domain CS business is convenient for further progress CS audio call.By the technical solution, avoids and carried out in 4G network
SRVCC call forwarding only supports the problem of failure of CS audio call is carried out in the case where PS business after falling 3G or 2G network after rise, increases
The call successful rate for having added terminal improves the user experience in voice call procedure.
Wherein, judge current area configuration information whether support circuit-switched domain CS business, it is small can specifically to calculate this
The wireless percent of call completed of the CS in area, the RAB that the wireless percent of call completed of CS is equal to circuit commutative field are created as power and circuit commutative field
RRC (wireless heterogeneous networks) connection is created as the product of power, specifically, if terminal will carry out circuit commutative field CS industry
Business, it is necessary to complete to establish RAB (radio access bearer) after RRC connection being just able to achieve basic call after RAB is built up
It establishes, therefore, when the wireless percent of call completed of CS reaches predetermined threshold, i.e., it is believed that circuit commutative field CS business can be by cell branch
It holds.
In any of the above-described technical solution, it is preferable that further include: unit 210 is initiated in call request, is determined whether described
Before receiving the instruction of voice business continuity scheme SRVCC call forwarding, is instructed, passed through according to the IMS audio call received
Call management layer CM backup call information, and the multimedia subsystem, IMS voice call request is initiated to 4G network.
In the technical scheme, user initiates the instruction of IMS audio call, FrameWork (application by the dial of terminal
The message management layer of state) it can be instructed according to the IMS audio call received, it is (hard between upper layer application and bottom by RIL
Part level of abstraction) IMS voice call request is issued to call management layer CM, so as to call management layer CM backup call information and initiate
IMS call flow.
In any of the above-described technical solution, it is preferable that further include: response message acknowledgement unit 212, described to 4G network
After initiating the multimedia subsystem, IMS voice call request, detects whether to receive and be answered from the SRVCC of the 4G network
Answer information, wherein when determination receives the SRVCC response message, obtain the voice from the SRVCC response message
The instruction of business contingency plan SRVCC call forwarding.
In the technical scheme, it after FrameWork issues IMS voice call request to call management layer CM, needs in real time
It verifies whether to receive the SRVCC response message that network returns, only receives the SRVCC response message of network passback, just explanation
Need to fall after rise further detect to 3G or 2G network the current area of access configuration information whether support circuit-switched
Domain CS business.By the technical solution, the validity and accuracy of network connection are improved.
In any of the above-described technical solution, it is preferable that the current area includes UTRAN cell or GERAN cell.
In the technical scheme, UTRAN cell, that is, 3G cell, GERAN cell, that is, 2G cell pass through the technical solution, inspection
Survey access current area configuration information whether support circuit-switched domain CS business, can be used in different types of cell,
Convenient for the success rate of the voice call service of the different types of cell of promotion.
In any of the above-described technical solution, it is preferable that execution unit 208 includes: call state detection unit 2082, in institute
State judging unit judge the configuration information of the current area not support circuit-switched domain CS business when, detect present call state
It whether is dialing state；LAU re-register unit 2084, when the call state detection unit detects that the present call state is
When the state that dials, in the current area launch position register flow path LAU, for executing CS voice after re-starting LAU registration
Calling；Exception information reporting unit 2086 is to dial when the call state detection unit detects the present call state not
When number state, call exception information is reported by call management layer CM.
In the technical scheme, if judging current area not support circuit-switched according to the configuration information of current area
Domain CS business only supports PS business, then can further detect present call state, if present call state is dialing state,
Illustrate just in voice call procedure, in order to ensure going on smoothly for audio call, needs to re-start LAU registration at once, with
Just CS audio call can be carried out with support circuit-switched domain CS business after re-starting LAU registration.And if active calls shape
State is not dialing state, then directly call exception information can be reported by call management layer CM, so that CS language cannot be realized successfully
The problem of sound calls is found in time.
Fig. 3 shows the block diagram of terminal according to an embodiment of the invention.
As shown in figure 3, terminal 300 according to an embodiment of the invention, including Fig. 2 shows voice calling device
200, therefore, the terminal 300 have and Fig. 2 shows the identical technical effect of voice calling device 200, details are not described herein.
Fig. 4 shows the flow chart of voice call method according to another embodiment of the invention.
As shown in figure 4, voice call method according to another embodiment of the invention, comprising:
Step 402, endpoint to register LTE network, and registered ims service.
Step 404, the instruction of IMS audio call is received in terminal.
Step 406, call management layer CM backup call information, and IMS voice service request is initiated, wait network answer.
Step 408, judge whether to receive SRVCC call transfer request, when the judgment result is no, enter step 410, when
Judging result is when being, to enter step 412.
Step 410, it continues through IMS business and completes call flow.
Step 412, terminal falls back to 3G network or 2G network.
Step 414, judge whether the configuration of current UTRAN cell or GERAN cell only supports PS business, work as judging result
When to be, 416 are entered step, when the judgment result is no, entering step 418.
Step 416, whether detection present call state is that dialing state enters step 440 when the judgment result is yes, when
When judging result is no, 422 are entered step.
Step 418, the CS audio call process before cell continuation.
Step 420, in current area launch position register flow path LAU.
Step 422, call management layer CM reports call exception, terminates this calling.
Step 424, LAU succeeds in registration, and call management layer CM initiates new circuit commutative field CS call flow in the cell.
In the above-mentioned technical solutions, user can initiate VoLTE audio call by the dial of terminal, form IMS voice
Call instruction.FrameWork issues IMS call instruction to calls management level CM, call management layer by hardware abstraction layer
CM backup call information, and IMS call flow is initiated, it enables terminal send IMS voice call request and reaches network side, if dialling
Under state, network-triggered SRVCC process instruction, terminal then falls back to UTRAN cell or GERAM cell, continues circuit commutative field
CS calling.
At this point, terminal can detect network configuration, if it find that the UTRAN cell or GERAN cell of network configuration are only supported
PS business, then call management layer CM suspends active calls, and in UTRAN cell or GERAN cell launch position register flow path
LAU, after re-registering successfully, then the CS audio call process before current network continuation, with improve the calling of terminal at
Power improves user experience.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, according to the technical solution of the present invention, avoids
The SRVCC call forwarding that 4G network carries out only is supported to carry out the failure of CS audio call in the case where PS business after falling 3G or 2G network after rise
The problem of, the call successful rate of terminal is increased, the user experience in voice call procedure is improved.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of voice call method characterized by comprising
After initiating multimedia subsystem, IMS voice call request, it is determined whether receive voice business continuity scheme SRVCC and exhale
It is transfer instruction；
When determining that receiving the voice business continuity scheme SRVCC call forwarding instructs, fall after rise to 3G network or 2G network；
In the 3G network or the 2G network, is instructed, sentenced according to the voice business continuity scheme SRVCC call forwarding
The configuration information of disconnected current area whether support circuit-switched domain CS business；
When the judgment result is yes, CS audio call is directly executed, when the judging result is no, is sent out in the current area
Location registration process LAU is played, for executing CS audio call；
The location registration process LAU is that terminal selects a kind of location registration stream for location area updating initiated after cell
Journey；
Judge current area configuration information whether support circuit-switched domain CS business, can specifically calculate the nothing of the CS of the cell
Line percent of call completed, the RAB that the wireless percent of call completed of the CS is equal to circuit commutative field are created as the RRC (nothing of power and circuit commutative field
Line resources control) connect the product for being created as power.
2. voice call method according to claim 1, which is characterized in that determine whether that receiving voice service connects described
Before continuous property scheme SRVCC call forwarding instruction, further includes:
According to the IMS audio call instruction received, institute is initiated by call management layer CM backup call information, and to 4G network
State multimedia subsystem, IMS voice call request.
3. voice call method according to claim 2, which is characterized in that initiate the multimedia to 4G network described
After subsystem, IMS voice call request, further includes:
It detects whether to receive the SRVCC response message from the 4G network, wherein answer when determination receives the SRVCC
When answering information, the voice business continuity scheme SRVCC call forwarding instruction is obtained from the SRVCC response message.
4. voice call method according to any one of claim 1 to 3, which is characterized in that the current area is
UTRAN cell or GERAN cell.
5. voice call method according to claim 1, which is characterized in that the configuration information in the judgement current area
Whether after the CS business of support circuit-switched domain, when the judging result is no, comprising:
Whether detection present call state is dialing state；
When the test results is yes, in the current area launch position register flow path LAU, for re-starting LAU registration
CS audio call is executed afterwards；
When the testing result is no, call exception information is reported by call management layer CM.
6. a kind of voice calling device characterized by comprising
Determination unit, after initiating multimedia subsystem, IMS voice call request, it is determined whether receive voice business continuity side
The instruction of case SRVCC call forwarding；
Network changing unit is fallen after rise when determining that receiving the voice business continuity scheme SRVCC call forwarding instructs to 3G
Network or 2G network；
Judging unit turns in the 3G network or the 2G network according to voice business continuity scheme SRVCC calling
Move instruction, judge current area configuration information whether support circuit-switched domain CS business；
Execution unit directly executes CS audio call when the judgment result is yes, when the judging result is no, described
Current area launch position register flow path LAU, for executing CS audio call；
The location registration process LAU is that terminal selects a kind of location registration stream for location area updating initiated after cell
Journey；
Judge current area configuration information whether support circuit-switched domain CS business, can specifically calculate the nothing of the CS of the cell
Line percent of call completed, the RAB that the wireless percent of call completed of the CS is equal to circuit commutative field are created as the RRC (nothing of power and circuit commutative field
Line resources control) connect the product for being created as power.
7. voice calling device according to claim 6, which is characterized in that further include:
Unit is initiated in call request, determines whether that receiving voice business continuity scheme SRVCC call forwarding instructs it described
Before, it is instructed according to the IMS audio call received, initiates institute by call management layer CM backup call information, and to 4G network
State multimedia subsystem, IMS voice call request.
8. voice calling device according to claim 7, which is characterized in that further include:
Response message acknowledgement unit, after the multimedia subsystem, IMS voice call request to the initiation of 4G network, inspection
It surveys and whether receives the SRVCC response message from the 4G network, wherein when determination receives the SRVCC response message
When, the voice business continuity scheme SRVCC call forwarding instruction is obtained from the SRVCC response message.
9. the voice calling device according to any one of claim 6 to 8, which is characterized in that the current area includes
UTRAN cell or GERAN cell.
10. voice calling device according to claim 6, which is characterized in that the execution unit includes:
Call state detection unit judges the configuration information of the current area not support circuit-switched domain in the judging unit
When CS business, whether detection present call state is dialing state；
LAU re-register unit, when the call state detection unit detects that the present call state is dialing state, in institute
Current area launch position register flow path LAU is stated, for executing CS audio call after re-starting LAU registration；
Exception information reporting unit is dialing state when the call state detection unit detects the present call state not
When, call exception information is reported by call management layer CM.
11. a kind of terminal, which is characterized in that including the voice calling device as described in any one of claim 6 to 10.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610064463.3A CN105722158B (en) | 2016-01-29 | 2016-01-29 | Voice call method, voice calling device and terminal |
| PCT/CN2016/074900 WO2017128488A1 (en) | 2016-01-29 | 2016-02-29 | Voice call method, voice call device and terminal |
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| CN201610064463.3A CN105722158B (en) | 2016-01-29 | 2016-01-29 | Voice call method, voice calling device and terminal |
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| CN105722158B true CN105722158B (en) | 2019-11-12 |
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| WO (1) | WO2017128488A1 (en) |
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| CN105722158B (en) * | 2016-01-29 | 2019-11-12 | 宇龙计算机通信科技(深圳)有限公司 | Voice call method, voice calling device and terminal |
| CN107454633B (en) * | 2016-05-31 | 2020-05-08 | 华为终端有限公司 | Method and device for determining voice communication network |
| CN106488521B (en) * | 2016-09-23 | 2019-11-19 | 华为技术有限公司 | A kind of method, apparatus of call treatment, equipment and system |
| US20180070238A1 (en) * | 2016-11-10 | 2018-03-08 | Mediatek Singapore Pte. Ltd. | Method And Apparatus For Avoiding Denial Of Services In Mobile Communications |
| CN108207015A (en) * | 2016-12-19 | 2018-06-26 | 展讯通信（上海）有限公司 | Implementation method, device and the network side equipment of injection frequency continuous voice call SRVCC |
| CN108696871B (en) * | 2017-02-28 | 2021-09-24 | 中国移动通信集团设计院有限公司 | Voice calling method and device |
| CN107172067B (en) * | 2017-06-14 | 2020-06-23 | 北京小米移动软件有限公司 | Call method, device and equipment |
| CN107864487B (en) * | 2017-10-20 | 2021-04-23 | Oppo广东移动通信有限公司 | Method for detecting terminal call and related product |
| CN107613488B (en) * | 2017-11-07 | 2021-10-22 | 奇酷互联网络科技（深圳）有限公司 | Call abnormity processing method and device and mobile terminal |
| CN107959974B (en) * | 2017-12-13 | 2021-05-18 | 北京小米移动软件有限公司 | Communication processing method, terminal and storage medium |
| CN109951878B (en) * | 2017-12-20 | 2021-07-09 | 中国移动通信集团山东有限公司 | Voice service switching method, terminal equipment, network side equipment and system |
| US20190313327A1 (en) * | 2018-04-09 | 2019-10-10 | Mediatek Inc. | Method and apparatus for voice domain selection |
| CN108668305A (en) * | 2018-08-28 | 2018-10-16 | 广东小天才科技有限公司 | A kind of mobile terminal calling method and mobile terminal |
| CN111064696B (en) * | 2018-10-17 | 2022-06-24 | 展讯通信（上海）有限公司 | Information transmission method and device |
| CN111278164A (en) * | 2018-12-04 | 2020-06-12 | 中国移动通信集团安徽有限公司 | Voice service migration method, device, equipment and medium |
| CN114501683A (en) * | 2020-10-23 | 2022-05-13 | 华为技术有限公司 | Call processing method, device and storage medium |
| CN114501559A (en) * | 2020-11-13 | 2022-05-13 | 北京小米移动软件有限公司 | Calling method and device |
| CN114520804A (en) * | 2020-11-20 | 2022-05-20 | 华为技术有限公司 | IMS registration method, terminal device and storage medium |
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| WO2017128488A1 (en) | 2017-08-03 |
| CN105722158A (en) | 2016-06-29 |
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