CN104717716B - A kind of voice service access method and equipment - Google Patents
A kind of voice service access method and equipment Download PDFInfo
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- CN104717716B CN104717716B CN201310694105.7A CN201310694105A CN104717716B CN 104717716 B CN104717716 B CN 104717716B CN 201310694105 A CN201310694105 A CN 201310694105A CN 104717716 B CN104717716 B CN 104717716B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Telephonic Communication Services (AREA)
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Abstract
The present invention discloses a kind of voice service access method and equipment, realizes one kind when external operator does not support VoLTE business, the unbroken access way of voice service.The voice service access method includes: to receive the voice service access request for carrying out user terminal, and the voice service type which supports includes at least return circuit and exchanges CSFB business；The information of home location of the user terminal according to the pre-stored data judges the ownership place of the user terminal, and it is that foreign countries diffuse in user or domestic user that the information of home location, which is at least used to characterize the user terminal,；When the user terminal is that foreign countries diffuse in user, the access of CSFB business realizing institute voice traffic is exchanged by return circuit.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of voice service access method and equipment.
Background technique
The network architecture no longer discrimination circuit domain and the grouping of long term evolution (Long Term Evolution, abbreviation LTE)
Domain, using unified packet domain framework, therefore it no longer supports traditional circuit domain voice service.Currently, in order to guarantee LTE net
Voice service in network, the multimode that has been born double standby, return circuit exchange (Circuit Switched Fallback, abbreviation
CSFB) business and the voice service (Voice over LTE, abbreviation VoLTE) based on long term evolution.
CSFB voice service, the thought of technology be in the case where carrying out LTE covering user terminal (User Equipment,
Abbreviation UE) when handling voice service, terminal first return back to circuit domain (CS) network and reaches in CS network processes voice service
The reuse existing domain CS equipment provides the purpose of traditional voice service for the UE in LTE network.
VoLTE voice service is the voice service based on LTE network, i.e., whole service bearers are not necessarily in LTE network
2G/3G net is, it can be achieved that the unification of data and voice service under consolidated network.It is the more matchmakers of IMS(IP that its core business, which controls network,
Body subsystem) network, cooperate LTE and the network implementations end evolved packet core (Evolved Packet Core, abbreviation EPC) to arrive
Voice based on packet domain, the video communication service at end.By the control of IMS system, VoLTE solution can provide and electricity
The comparable voice service of road domain performance and its supplementary service, comprising: number shows, call forwarding, Call Waiting, conference telephone
Deng.
Compare CSFB business, and VoLTE voice service has the advantage that
The first, VoLTE can bring better use feeling and more preferably user experience, high definition voice and video encoding and decoding
Introducing by voice call quality promoted 2 times, the call duration of VoLTE substantially shortens, and VoLTE can be by high definition voice service
With IMS(IP IP multimedia subsystem, IMS) other multimedia services (such as converged message, meeting, video are shared) for having of network and
Internet service organically blends, to provide more than the fused business experience abundant of narrowband speech business.
The second, VoLTE is based on LTE and carries voice, can make full use of LTE wireless technology high spectrum utilization, anti-fading
The advantages of property, high bandwidth, large capacity.
Third, VoLTE network performance are higher than existing net, and connecting time can be improved 50% or more compared to 2G/3G network ".
4th, VoLTE really realizes end-to-end ip voice business, meets direction of network evolution, and scheme is simple."
The access way of prior art voice user is, according to the voice service type that UE is supported, and combines the current use
The deployment scenario of the voice service technology of the operator of family position selects VoLTE or CSFB to carry out voice service.；Such as
According to User support defined in Voice domain preference for E-UTRAN field or preferentially support voice service
Type, and combine the deployment scenario of the voice service technology of the operator of the current user position, select VoLTE or
CSFB carries out voice service.
When User support or it is preferential support VoLTE business, and current network supports VoLTE business, select VoLTE business into
The access of row voice service.
Voice service scheme in current LTE network has the following problems:
1, when foreign countries, which diffuse in user, initiates voice service, when external operator does not support VoLTE business, and there is fortune in the country
When seeking quotient's support VoLTE business, and when user terminal support CSFB and VoLTE business, which may carry out voice with VoLTE
Business, this will cause the dropped calls of the user, influences user experience.The foreign countries diffuse in user be ownership place be it is external and
This country carries out the user of voice service.2, for the domestic region for deploying VoLTE and CSFB simultaneously, if UE is defined as preferentially selecting
CSFB business is selected, then user will not carry out voice service using VoLTE technology, this prevents the superiority of VoLTE from abundant
It embodies.3, the scheme that operator can not communicate according to the actual conditions customized voice of oneself, is unfavorable for migration of the user to LTE.
Summary of the invention
The embodiment of the present invention provides a kind of voice service access method and equipment, realizes a kind of when external operator does not prop up
When holding VoLTE business, the unbroken access way of voice service.
The voice service access method includes:
The voice service access request for carrying out user terminal is received, the voice service type which supports at least is wrapped
Include return circuit exchange CSFB business；
The information of home location of the user terminal according to the pre-stored data judges the ownership place of the user terminal, the ownership
It is that foreign countries diffuse in user or domestic user that ground information, which is at least used to characterize the user terminal,；
When the user terminal is that foreign countries diffuse in user, voice industry described in CSFB business realizing is exchanged by return circuit
The access of business.
The embodiment of the present invention also provides a kind of voice service access device, comprising:
Receiving unit, for receiving the voice service access request for carrying out user terminal, the voice which supports
Type of service includes at least return circuit and exchanges CSFB business；
First judging unit, the information of home location for the user terminal according to the pre-stored data judge the user terminal
Ownership place, the information of home location be at least used to characterize the user terminal be foreign countries diffuse in user or domestic user；
Access unit, for passing through when first judging unit judges that the user terminal diffuses in user for foreign countries
The access of return circuit exchange CSFB business realizing institute voice traffic.
The embodiment of the present invention provides a kind of voice service access method and equipment, by receiving come the language of user terminal
When sound business access request, the information of home location of the user terminal according to the pre-stored data judges the ownership of the user terminal
Ground, it is that foreign countries diffuse in user or domestic user that the information of home location, which is at least used to characterize the user terminal,；As the user
When terminal is that foreign countries diffuse in user, the access of CSFB business realizing institute voice traffic is exchanged by return circuit.It solves and works as
External operator does not support VoLTE business, when the country has operator to support VoLTE business, and user terminal support CSFB and
When VoLTE business, which may carry out voice service with VoLTE, this will cause the dropped calls of the user, influence user's body
The problem of testing.Improve the voice service experience effect of user.
Detailed description of the invention
Fig. 1 is voice service access method overall flow schematic diagram provided in an embodiment of the present invention；
Fig. 2 is voice service access method idiographic flow schematic diagram provided in an embodiment of the present invention；
Fig. 3 provides a kind of one of voice service access device structural schematic diagram for the embodiment of the present invention；
Fig. 4 provides a kind of voice service access device second structural representation for the embodiment of the present invention.
Specific embodiment
The embodiment of the present invention provides a kind of voice service access method and equipment, realizes a kind of LTE user and is carrying out state
Border voice service access when, reduce voice service interruption rate access way, and at home user access voice service when, control
System supports the terminal of VoLTE business preferably to access the network for being deployed with VoLTE business, improves the experience effect of user, realizes and uses
Family is directly to the migration of LTE network.
Voice service access of the present invention, which refers to, at least supports the accessing user terminal to network of CSFB business to realize voice
The process of business.
Institute's voice traffic access device can be realized by mobility management entity MME, or independently of MME's
Equipment is realized.
It will illustrate voice service access side provided in an embodiment of the present invention so that voice service access device is MME as an example below
Method and equipment.
Referring to Fig. 1, voice service access method provided in an embodiment of the present invention is mainly comprised the steps that
S11, MME receive the voice service access request for carrying out user terminal, the voice service class which supports
Type includes at least return circuit and exchanges CSFB business；
The information of home location of S12, MME user terminal according to the pre-stored data judges the ownership place of the user terminal,
It is that foreign countries diffuse in user or domestic user that the information of home location, which is at least used to characterize the user terminal,；
S13, when the user terminal be foreign countries diffuse in user when, MME by return circuit exchange CSFB business realizing institute
The access of voice traffic.
It is that ownership place is foreign countries and home carries out the user of voice service that the foreign countries, which diffuse in user,.
Preferably, the information of home location is carried when the user terminal sends attach request to MME, and the MME connects
After receiving the attach request, the information of home location is saved.
Preferably, the information of home location can be public land mobile network information (the Public Land of user terminal
Mobile Network, abbreviation PLMN).
MME exchanges the access of CSFB business realizing institute voice traffic and the access way of the prior art by return circuit
Similar, which is not described herein again.
Further, when the user terminal is domestic user, MME is whole according to current network deployment types and user
The ability at end determines and selects the voice service of which seed type by accessing user terminal to network.
Referring to fig. 2, it will be explained in detail voice service access method provided in an embodiment of the present invention below.
S101, MME receive the attach request for carrying out user terminal, carry returning for the user terminal in the attach request
Possession information；And the voice service type information supported for characterizing the user terminal is carried, store the ownership place
The voice service type information that information and user terminal are supported.
For example, the ownership place is that foreign countries diffuse in user or domestic user.Institute's voice traffic type includes: user terminal
Only CSFB business, user terminal is supported only to support VoLTE business, user terminal while supporting CSFB business and VoLTE business.
Further, when user terminal supports CSFB business and VoLTE business simultaneously, it can also identify and enable a certain industry
The priority of business.
Specifically, MME receives the attach request for carrying out user terminal, carries the user terminal in the attach request
Information of home location PLMN and voice domain preferentially select Voice domain preference for E-UTRAN field information；It is fixed
When adopted field is 00, indicates the voice service in user terminal support circuits domain, i.e., only support CSFB business；Defining field is 01
When, it indicates that user terminal only supports the voice service of packet domain, i.e., only supports VoLTE business；It is preferential to select when definition field is 10
It selects circuit domain and voice service is provided, packet domain is alternative；It is preferential that packet domain is selected to carry out voice service when definition field is 11,
Circuit domain is alternately.
The voice service access request of S102, MME reception user terminal；
S103, MME judge returning for the user terminal according to the information of home location of the pre-stored user terminal
Possession, it is that foreign countries diffuse in user or domestic user that the information of home location, which is at least used to characterize the user terminal,；
When the user terminal is that foreign countries diffuse in user, step S107 is executed, otherwise (as domestic user) executes step
Rapid S104;
S104, MME judge whether current network supports the voice VoLTE business based on long term evolution, if current network
The voice VoLTE business based on long term evolution is not supported, executes step S107;It is no to then follow the steps S105；The current network
For the network where the MME.
S105, judge the voice service type that the user terminal is supported;If the user terminal only support circuits domain
Voice service, then follow the steps S107, if user terminal support packet domain voice service, whether is it support circuits
The voice service in domain, thens follow the steps S106;
The voice service type for judging that the user terminal is supported can be by judging that voice domain preferentially selects Voice
Domain preference for E-UTRAN field information is realized.For example, working as the Voice domain preference
When for E-UTRAN field information is 00, S107 is thened follow the steps；As the Voice domain preference for E-
When UTRAN field information is 01,10 or 11, S106 is thened follow the steps.It realizes preferably according to user ascription area, and operation
The deployment scenario of quotient's network determines voice communication scheme in conjunction with the setting of mobile terminal.It is more perfect for VoLTE deployment scale
Region preferentially carries out voice service using VoLTE technology.Avoid the region that operator deploys VoLTE, and user terminal branch
When holding VoLTE function, realize that the access of voice service leads to the waste of resource still through CSFB, and lead to voice experience effect
Poor problem.
S106, pass through the access of the voice VoLTE business realizing institute voice traffic based on long term evolution.
Since VoLTE voice scheme is the ultimate solution of operator.The core business control network of VoLTE is IMS
(IP multimedia subsystem) network cooperates LTE and EPC the network implementations voice based on packet domain, video communication industry end to end
Business.By the control of IMS system, VoLTE solution can be provided and the comparable voice service of circuit domain performance and its supplement
Business, comprising: number shows, call forwarding, Call Waiting, conference telephone etc..The present invention is more perfect in VoLTE deployment scale
Region preferentially carries out voice service using VoLTE technology, takes full advantage of the superiority of VoLTE.
S107, the access that CSFB business realizing institute voice traffic is exchanged by return circuit.
The access of CSFB business realizing institute voice traffic is exchanged by return circuit, and passes through VoLTE business realizing
The access of institute's voice traffic is similar with the prior art access mode of voice service, and which is not described herein again.
Referring to Fig. 3, the embodiment of the present invention provides a kind of voice service access device being used for for LTE, specifically includes that
Receiving unit 11, for receiving the voice service access request for carrying out user terminal, the language which supports
Sound business type includes at least return circuit and exchanges CSFB business；
First judging unit 12, the information of home location for the user terminal according to the pre-stored data judge that the user is whole
The ownership place at end, it is that foreign countries diffuse in user or domestic user that the information of home location, which is at least used to characterize the user terminal,；
Access unit 13, for leading to when first judging unit judges that the user terminal diffuses in user for foreign countries
Cross the access of return circuit exchange CSFB business realizing institute voice traffic.
Referring to fig. 4, further includes: the second judgement single 14, for judging the user terminal for state when the first judging unit 12
When interior user, judge whether current network supports the voice VoLTE business based on long term evolution；
Access unit 13 is also used to judge that current network does not support the voice based on long term evolution when second judgment unit 14
VoLTE business then exchanges the access of CSFB business realizing institute voice traffic by return circuit.
Preferably, further includes: third judging unit 15, for judging that current network support is based on when second judgment unit 14
When the voice VoLTE business of long term evolution, the voice service type that the user terminal is supported is judged；
Further, access unit 13 is also used to, when third judging unit 15 judges the user terminal only support circuits
The voice service in domain then exchanges the access of CSFB business realizing institute voice traffic by return circuit.
Further, access unit 13 is also used to, when third judging unit 15 judges that the user terminal supports packet domain
Voice service, then pass through the access of the voice VoLTE business realizing institute voice traffic based on long term evolution.
Further, receiving unit 11 is also used to before the voice service access request that reception carrys out user terminal, is received
Carry out the attach request of user terminal, the information of home location of the user terminal is carried in the attach request；And it carries
The voice service type information supported for characterizing the user terminal.
Preferably, institute's voice traffic access device is mobility management entity MME.
In conclusion the embodiment of the present invention provides a kind of voice service access method and equipment, by using by oneself receiving
When the voice service access request of family terminal, the information of home location of the user terminal according to the pre-stored data judges that the user is whole
The ownership place at end, it is that foreign countries diffuse in user or domestic user that the information of home location, which is at least used to characterize the user terminal,；When
When the user terminal is that foreign countries diffuse in user, the access of CSFB business realizing institute voice traffic is exchanged by return circuit.
It solves when external operator does not support VoLTE business, when the country has operator to support VoLTE business, and user terminal is supported
When CSFB and VoLTE business, which may carry out voice service with VoLTE, this will cause the dropped calls of the user, influence
The problem of user experience.Improve the voice service experience effect of user.
In addition, VoLTE voice scheme is the ultimate solution of operator.The core business control network of VoLTE is IMS
(IP multimedia subsystem) network cooperates LTE and EPC the network implementations voice based on packet domain, video communication industry end to end
Business.By the control of IMS system, VoLTE solution can be provided and the comparable voice service of circuit domain performance and its supplement
Business, comprising: number shows, call forwarding, Call Waiting, conference telephone etc..The present invention is more perfect in VoLTE deployment scale
Region preferentially carries out voice service using VoLTE technology, takes full advantage of the superiority of VoLTE.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The shape for the computer program product implemented in usable storage medium (including but not limited to magnetic disk storage and optical memory etc.)
Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (12)
1. a kind of voice service access method, which comprises the following steps:
The voice service access request for carrying out user terminal is received, the voice service type which supports is included at least and moved back
Return circuit switching CSFB business；
The information of home location of the user terminal according to the pre-stored data judges the ownership place of the user terminal, the ownership place letter
Breath is at least that foreign countries diffuse in user or domestic user for characterizing the user terminal；
When the user terminal is that foreign countries diffuse in user, CSFB business realizing institute voice traffic is exchanged by return circuit
Access；Wherein, the foreign countries diffuse in the corresponding external network of user and do not support the voice VoLTE business based on long term evolution.
2. the method according to claim 1, wherein judgement is current when the user terminal is domestic user
Whether network supports the voice VoLTE business based on long term evolution, if current network does not support the voice based on long term evolution
VoLTE business then exchanges the access of CSFB business realizing institute voice traffic by return circuit.
3. according to the method described in claim 2, it is characterized in that, if current network supports the voice based on long term evolution
VoLTE business then judges the voice service type that the user terminal is supported, if the user terminal only support circuits domain
Voice service then exchanges the access of CSFB business realizing institute voice traffic by return circuit.
4. according to the method described in claim 3, it is characterized in that, if the user terminal supports the voice industry of packet domain
Business, then pass through the access of the voice VoLTE business realizing institute voice traffic based on long term evolution.
5. according to the method described in claim 4, it is characterized in that, receiving the voice service access request for carrying out user terminal
Before, further includes:
The attach request for carrying out user terminal is received, the information of home location of the user terminal is carried in the attach request；With
And carry the voice service type information supported for characterizing the user terminal.
6. according to method described in any claim of claim 2-5, which is characterized in that judged by mobility management entity MME
Whether current network supports the voice VoLTE business based on long term evolution.
7. a kind of voice service access device characterized by comprising
Receiving unit, for receiving the voice service access request for carrying out user terminal, the voice service which supports
Type includes at least return circuit and exchanges CSFB business；
First judging unit, the information of home location for the user terminal according to the pre-stored data judge returning for the user terminal
Possession, it is that foreign countries diffuse in user or domestic user that the information of home location, which is at least used to characterize the user terminal,；
Access unit, for when first judging unit judges that the user terminal diffuses in user for foreign countries, by retracting
The access of circuit switching (CS) FB business realizing institute voice traffic；Wherein, the foreign countries diffuse in the corresponding external network of user not
The voice VoLTE business based on long term evolution of support.
8. voice service access device according to claim 7, which is characterized in that further include: second judgment unit is used for
When first judging unit judges the user terminal for domestic user, judge whether current network is supported to be based on drilling for a long time
Into voice VoLTE business；
If the access unit, which is also used to the second judgment unit, judges that current network does not support the language based on long term evolution
Sound VoLTE business then exchanges the access of CSFB business realizing institute voice traffic by return circuit.
9. voice service access device according to claim 8, which is characterized in that further include: third judging unit is used for
When the second judgment unit judges that current network supports the voice VoLTE business based on long term evolution, the user is judged
The voice service type that terminal is supported；
The access unit is also used to, when the third judging unit judges the voice industry in the user terminal only support circuits domain
Business then exchanges the access of CSFB business realizing institute voice traffic by return circuit.
10. voice service access device according to claim 9, which is characterized in that the access unit is also used to, and works as institute
It states third judging unit and judges that the user terminal supports the voice service of packet domain, then pass through the voice based on long term evolution
The access of VoLTE business realizing institute voice traffic.
11. voice service access device according to claim 9, which is characterized in that the receiving unit is also used to connecing
It receives before carrying out the voice service access request of user terminal, the attach request for carrying out user terminal is received, in the attach request
Carry the information of home location of the user terminal；And carry the voice service class supported for characterizing the user terminal
Type information.
12. according to any voice service access device of claim 7-10, which is characterized in that the access of institute's voice traffic
Equipment is mobility management entity MME.
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| CN201310694105.7A CN104717716B (en) | 2013-12-17 | 2013-12-17 | A kind of voice service access method and equipment |
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| CN201310694105.7A CN104717716B (en) | 2013-12-17 | 2013-12-17 | A kind of voice service access method and equipment |
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| CN104717716A CN104717716A (en) | 2015-06-17 |
| CN104717716B true CN104717716B (en) | 2019-01-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3442273B1 (en) | 2016-06-29 | 2020-07-08 | Huawei Technologies Co., Ltd. | Method and apparatus for service processing |
| CN106899950A (en) * | 2017-02-27 | 2017-06-27 | 中国联合网络通信集团有限公司 | The collocation method and device of call transfer service |
| CN111200809B (en) * | 2018-11-20 | 2022-04-26 | 中国电信股份有限公司 | Method, gateway and system for realizing VOLTE terminal international roaming service |
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| CN102404815A (en) * | 2010-09-15 | 2012-04-04 | 中国移动通信集团公司 | Method for determining network interoperable mode and terminal equipment |
| WO2013113414A1 (en) * | 2012-01-31 | 2013-08-08 | Telefonaktiebolaget L M Ericsson (Publ) | Cs/ps coordination for csfb/srvcc |
| CN103402232A (en) * | 2013-06-29 | 2013-11-20 | 华为终端有限公司 | Method and equipment for returning back to home network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102404815A (en) * | 2010-09-15 | 2012-04-04 | 中国移动通信集团公司 | Method for determining network interoperable mode and terminal equipment |
| WO2013113414A1 (en) * | 2012-01-31 | 2013-08-08 | Telefonaktiebolaget L M Ericsson (Publ) | Cs/ps coordination for csfb/srvcc |
| CN103402232A (en) * | 2013-06-29 | 2013-11-20 | 华为终端有限公司 | Method and equipment for returning back to home network |
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