CN108990124A - Voice communication and data service switching method and device - Google Patents
Voice communication and data service switching method and device Download PDFInfo
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- CN108990124A CN108990124A CN201811122854.1A CN201811122854A CN108990124A CN 108990124 A CN108990124 A CN 108990124A CN 201811122854 A CN201811122854 A CN 201811122854A CN 108990124 A CN108990124 A CN 108990124A
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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
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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
- 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
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/26—Reselection being triggered by specific parameters by agreed or negotiated communication parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The invention belongs to fields of communication technology, and in particular to voice communication and data service switching method and corresponding device.In the switching method: when there is incoming call requests, the speech path network of mobile terminal and second mode establishes call request, saves the data network attachment information of first mode；Mobile terminal establishes call conversation by the speech path network of second mode；The mobile management entity notice network of relation member of mobile terminal ownership keeps mobile terminal connection state information, and saves the data packet for being sent to mobile terminal；After end of conversation, the mobile management entity notice network of relation member of mobile terminal ownership starts timer relevant to mobile terminal identification；Mobile terminal returns to the data network of first mode, and directly accesses internet business using the data network of the first mode saved attachment information, and the data packet of preservation is sent to mobile terminal.It is not required to repeat to adhere to data network, to improve system performance during realizing that voice and data switch.
Description
Technical field
The invention belongs to fields of communication technology, and in particular to a kind of voice communication and data service switching method and voice are logical
Words and data service switching device.
Background technique
Multimode single deck tape-recorder mobile terminal refers to only one card slot of mobile terminal, for installing the usim card of an operator,
Various network communications mode service is provided, 2G (GSM), 3G (CDMA/WCDMA/TD-SCDMA), 4G (TD-LTE/ are generally comprised
FDD-LTE) etc..Due to each mobile communications network covering and imperfect, especially newly-built 4G mobile communications network is still expanding
In big covering, ubiquitous access can not be supported.And, it is even more important that 4G mobile communications network is mainly used at present
In providing network service in data, voice calling service is not provided.Therefore, it needs to lead between the mobile communications network of different mode
Interaction is crossed to provide continuous service for mobile subscriber.
For example, multimode single deck tape-recorder mobile terminal is for voice and internet business switch method at present are as follows: multimode single deck tape-recorder moves
When dynamic terminal is attached to access internet business on LTE data network, when there is incoming call requests, mobile terminal will be from LTE network
It is switched to 3G network, connection of the mobile terminal on LTE data network will be released, and data company is re-established on 3G network
It connects；After end of conversation, mobile terminal is switched to LTE network again, re-initiates the process of attachment LTE data network.It is above-mentioned to cut
It changes and is automatically performed, user will not remove operation internet business, therefore mobile terminal substantially in communication process under normal conditions
Switching between LTE network and 3G network causes waste Internet resources, also results in the interruption of internet business.
As it can be seen that a kind of multimode single deck tape-recorder mobile terminal voice and internet business switch method are designed, it can be with less net
Network resource realizes convenient and fast network switching to keep internet business continuance, becomes a technical problem to be solved urgently.
Summary of the invention
The technical problem to be solved by the present invention is to for above-mentioned deficiency in the prior art, provide a kind of voice communication and number
According to business switch method and voice communication and data service switching device, during realizing that voice and data switch, no
Attachment data network need to be repeated, to improve system performance.
Solving technical solution used by present invention problem is the voice communication and data service switching method, application
In the mobile terminal of multimode single deck tape-recorder, the mobile terminal adheres to information by the data network including mobile terminal identification, by
The step of incoming call is handled during the communication network access internet business of first mode are as follows:
When there is incoming call requests, the speech path network of the mobile terminal and second mode establishes call request, and saves the
The data network of one mode adheres to information；
The mobile terminal establishes call conversation by the speech path network of second mode；
The mobile management entity notice network of relation member of the mobile terminal ownership keeps the mobile terminal connection status
Information, and save the data packet for being sent to the mobile terminal；
After end of conversation, the mobile management entity of the mobile terminal ownership notifies the network of relation member to start
Timer relevant to the mobile terminal identification；
The mobile terminal returns to the data network of first mode, and attached using the data network of the first mode saved
Information directly access internet business, and the data packet of preservation is sent to the mobile terminal；
The network of relation member includes evolved base station, gateway, grouped data network gateway.
Preferably, the mobile management entity notice network of relation member of the mobile terminal ownership keeps the mobile terminal
Connection state information, and in the step of saving the data packet for being sent to the mobile terminal and being saved, comprising:
The evolved base station, the gateway, the grouped data network gateway respectively will be with the mobile terminals
It identifies relevant timer to close, the grouped data network gateway receives data packet and the progress for being sent to the mobile terminal
It saves；
Correspondingly, returning to the data network of first mode in the mobile terminal, and use the first mode saved
Data network attachment information directly accesses internet business, and the data packet of preservation is sent to the step of the mobile terminal
In rapid, the data packet of preservation is sent to the mobile terminal by the grouped data network gateway.
Preferably, the mobile terminal and the speech path network of second mode establish call request, and save first mode
Data network adhere to information the step of, comprising:
The Mobile Switching Center Server of the mobile terminal identification attachment receives incoming call requests, to the mobile terminal
The mobile management entity of ownership issues paging request；
The mobile management entity issues paging request to the mobile terminal by evolved base station；
The mobile terminal sends service request to the mobile management entity, and the mobile management entity is to the movement
Switching centre's server sends service request；
The mobile management entity sends the instruction for falling back to the speech path network of second mode to the mobile terminal, described
The data network that mobile terminal saves first mode adheres to information.
Preferably, the step of mobile terminal establishes call conversation by the speech path network of second mode, further includes:
Whether the cell that the mobile terminal detects current cell information and storage is identical:
If identical, message related to calls is established in the mobile terminal transmission；
If it is different, then being updated to the Mobile Switching Center Server launch position；And after updating location information,
Message related to calls is established in the mobile terminal transmission.
Preferably, the mobile management entity notice network of relation member of the mobile terminal ownership keeps the mobile terminal
Before the step of connection state information, further includes:
The Mobile Switching Center Server has sent calling after call conversation foundation, to the mobile management entity
Establish message；
The mobile management entity receives after calling has built up message, and the network of relation member of giving notice keeps moving
The message of terminal connection status is moved, includes the mobile terminal identification in message.
Preferably, after end of conversation, the mobile management entity of the mobile terminal ownership notifies the correlation
Network element started before the step of timer relevant to the mobile terminal identification, further includes:
The Mobile Switching Center Server notifies mobile management entity end of conversation.
Preferably, the data network of the first mode be 4G communication network, 4G communication network include TD-LTE or
FDD-LTE；
The speech path network of the second mode is 2G communication network or 3G communication network.
Preferably, the mobile terminal identification includes that EPS or mobile terminal user identify IMSI；
The network of relation member keeps mobile terminal connection status, includes at least: with distributing to the IP of the mobile terminal
Location, the identity GUTI for distributing to user.
A kind of voice communication and data service switching device, the mobile terminal applied to multimode single deck tape-recorder comprising call is cut
Block is changed the mold, for adhering to information by the data network including mobile terminal identification in the mobile terminal, by first mode
Communication network access internet business during handle incoming call, the call switching module include detecting unit, foundation
Unit, holding unit are cut and turn unit, multiply-connected unit, in which:
The detecting unit, is configured to when there is incoming call requests, so that the call net of the mobile terminal and second mode
Network establishes call request, and saves the data network attachment information of first mode；
It is described to establish unit, it is configured so that the mobile terminal is established calling by the speech path network of second mode and led to
Words；
The holding unit is configured so that the mobile management entity notice network of relation member of the mobile terminal ownership is protected
The mobile terminal connection state information is held, and saves the data packet for being sent to the mobile terminal；
Described cut turns unit, is configured to after end of conversation, so that the mobile management of mobile terminal ownership is real
Body notifies the network of relation member to start timer relevant to the mobile terminal identification；
The multiply-connected unit is configured so that the mobile terminal returns to the data network of first mode, and uses guarantor
The data network attachment information for the first mode deposited directly accesses internet business, and the data packet of preservation is sent to institute
State mobile terminal；
The network of relation member includes evolved base station, gateway, grouped data network gateway.
Preferably, in the holding unit, it is configured so that the evolved base station, the gateway, described point
Group data network gateway respectively closes timer relevant to the mobile terminal identification, and the grouped data network gateway connects
Transmitting-receiving is given the data packet of the mobile terminal and is saved；
In the multiply-connected unit, it is configured so that the mobile terminal returns to the data network of first mode, and use
The data network attachment information of the first mode of preservation directly accesses internet business, and the grouped data network gateway will be protected
The data packet deposited is sent to the mobile terminal.
The beneficial effects of the present invention are:
The voice communication and data service switching method and corresponding voice communication and data service switching device, provide
A kind of multimode single deck tape-recorder mobile terminal realizes voice and internet business in LTE and 3G network by retaining connection state information
In handoff procedure, do not need to repeat to adhere to data network, to improve system performance.
Detailed description of the invention
Fig. 1 is the flow chart of voice communication and data service switching method in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of voice communication and data service switching device in the embodiment of the present invention；
Fig. 3 is the voice communication and data service handover configurations system schematic of multimode single deck tape-recorder mobile terminal；
In attached drawing mark:
1- mobile terminal；2- mobile management entity；3- evolved base station；4- gateway；5- grouped data network gateway；
6- Mobile Switching Center Server；7- radio network controller；8- home location register；9- home signature user server；
10- firewall；
11- call switching module；12- detecting unit；13- establishes unit；14- holding unit；15-, which is cut, turns unit；16- is multiple
Even unit.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, with reference to the accompanying drawing and specific embodiment party
Formula makees voice communication of the present invention with data service switching method and voice communication further detailed with data service switching device
Description.
The present invention provides a kind of voice communication and cuts with data service switching method and corresponding voice communication with data service
Changing device, to realize that multimode single deck tape-recorder mobile terminal keeps LTE data network attachment letter in call triggering network switching process
Breath realizes convenient and fast network switching with less Internet resources to keep internet business continuance.
In the voice communication and data service switching method, multimode single deck tape-recorder mobile terminal user passes through LTE data network
Internet business is accessed, when there are incoming call requests, mobile terminal is switched to 3G network, and mobile terminal saves LTE data network
Adhere to information, mobile management entity (Mobility Management Entity, abbreviation MME) notifies evolved base station
(evolved Node B, abbreviation eNB), gateway (Serving GateWay, abbreviation SGW), grouped data network gateway
(Packet Data Network Gateway, abbreviation PDN GW) holding mobile terminal connection status (including distribute to mobile whole
The information such as the IP address at end, the unique interim subscriber identity GUTI in the whole world for distributing to user), evolved base station, is divided gateway
Group data network gateway closes timer relevant to the mobile terminal identification, and grouped data network gateway reception is sent to shifting
The data packet of dynamic terminal is simultaneously stored in grouped data network gateway；After end of conversation, Mobile Switching Center Server
(Mobile Switching Center Server, abbreviation MSCS) notifies mobile management entity end of conversation, mobile management real
Body notifies evolved base station, gateway, grouped data network gateway starting to identify with the mobile terminal user
(International Mobile Subscriber Identity, abbreviation IMSI) relevant timer, mobile terminal return
When to LTE network, internet business, Packet Data Network's network diagram are directly accessed using the LTE data network attachment information of preservation
It closing and the data packet of preservation is sent to mobile terminal, mobile terminal does not need to carry out the switching of data network between LTE and 3G,
Internet resources are saved, while ensureing the continuity of internet business.
Wherein, data network attachment information initiates attachment flow, EPS (Evolved Packet with EPS/IMSI
System, the grouping system of evolution) be EPS=UE (User Equipment, user equipment)+LTE (4G access mesh portions)+
The combination abbreviation of EPC (Evolved Packet Core, the packet-based core networks of evolution).In follow-up process, using global unique
The information such as interim subscriber identity GUTI, it is possible to reduce the privately owned parameter of the users such as IMSI is exposed in network transmission.
As shown in Figure 1, the voice communication and data service switching method are applied to the mobile terminal of multimode single deck tape-recorder, packet
It includes:
Step S0): mobile terminal is by including that the data network of mobile terminal identification adheres to information, by first mode
Incoming call is handled during communication network access internet business.
Wherein, mobile terminal identification includes that EPS or mobile terminal user identify IMSI.
Step S1): when there is incoming call requests, the speech path network of mobile terminal and second mode establishes call request, and protects
Deposit the data network attachment information of first mode.
In this step, mobile terminal and the speech path network of second mode establish call request, and save first mode
Data network adheres to the step of information, comprising:
The Mobile Switching Center Server of mobile terminal identification attachment receives incoming call requests, the shifting belonged to mobile terminal
Dynamic management entity issues paging request；
Mobile management entity issues paging request to mobile terminal by evolved base station；
Mobile terminal sends service request to mobile management entity, and mobile management entity is sent out to Mobile Switching Center Server
Send service request；
Mobile management entity sends the instruction for falling back to the speech path network of second mode to mobile terminal, and mobile terminal saves
The data network of first mode adheres to information.
Step S2): mobile terminal establishes call conversation by the speech path network of second mode.
Wherein, the data network of first mode is 4G communication network, the speech path network of second mode be 2G communication network or
3G communication network.4G communication network includes TD-LTE or FDD-LTE.
In this step, the step of mobile terminal establishes call conversation by the speech path network of second mode, further includes:
Whether the cell that mobile terminal detects current cell information and storage is identical:
If identical, message related to calls is established in mobile terminal transmission；
If it is different, then being updated to Mobile Switching Center Server launch position；It is mobile and after updating location information
Message related to calls is established in terminal transmission.
Step S3): the mobile management entity notice network of relation member of mobile terminal ownership keeps mobile terminal connection status
Information, and save the data packet for being sent to mobile terminal and saved.
Wherein, network of relation member includes evolved base station, gateway, grouped data network gateway.Network of relation member is protected
Mobile terminal connection status is held, is included at least: the identity GUTI for distributing to the IP address of mobile terminal, distributing to user.
In this step, the mobile management entity notice network of relation member of mobile terminal ownership keeps mobile terminal to connect shape
State information, and in the step of saving the data packet for being sent to mobile terminal and being saved, comprising:
Evolved base station, gateway, grouped data network gateway respectively will timers relevant to mobile terminal identification
It closes, grouped data network gateway receives the data packet for being sent to mobile terminal and saved.
Preferably, the mobile management entity notice network of relation member of mobile terminal ownership keeps mobile terminal connection status
Before the step of information, further includes:
Mobile Switching Center Server has built up to mobile management entity transmission calling and disappears after call conversation foundation
Breath；
Mobile management entity receives after calling has built up message, and network of relation member of giving notice keeps mobile terminal to connect
The message of state is connect, includes mobile terminal identification in message.
Step S4): after end of conversation, the mobile management entity notice network of relation member starting and shifting of mobile terminal ownership
The dynamic relevant timer of terminal iidentification.
In this step, after end of conversation, the mobile management entity notice network of relation member starting of mobile terminal ownership
Before the step of timer relevant to mobile terminal identification, further includes:
Mobile Switching Center Server notifies mobile management entity end of conversation.
Step S5): mobile terminal returns to the data network of first mode, and uses the data network of the first mode saved
Network attachment information directly accesses internet business, and the data packet of preservation is sent to mobile terminal.
In this step, the data network of first mode is returned in mobile terminal, and uses the first mode saved
Data network attachment information directly accesses internet business, and the step of data packet of preservation is sent to mobile terminal
In, the data packet of preservation is sent to mobile terminal by grouped data network gateway.
Correspondingly, the present embodiment also provides a kind of voice communication and data service switching device, applied to multimode single deck tape-recorder
Mobile terminal, as shown in Fig. 2, call switching module 11 includes detecting unit 12, establishes unit 13, holding unit 14, cuts a turn list
First 15, multiply-connected unit 16, in which:
Detecting unit 12, is configured to when there is incoming call requests, so that mobile terminal and the speech path network of second mode are established
Call request, and save the data network attachment information of first mode；
Unit 13 is established, is configured so that mobile terminal establishes call conversation by the speech path network of second mode；
Holding unit 14 is configured so that the mobile management entity 2 of mobile terminal ownership notifies network of relation member to keep moving
Dynamic terminal connection state information, and save the data packet for being sent to mobile terminal；
It cuts and turns unit 15, be configured to after end of conversation, so that the mobile management entity 2 of mobile terminal ownership notifies correlation
Network element starts timer relevant to mobile terminal identification；
Multiply-connected unit 16 is configured so that mobile terminal returns to the data network of first mode, and uses the saved
The data network attachment information of one mode directly accesses internet business, and the data packet of preservation is sent to movement eventually
End.
Preferably, in holding unit 14, it is configured so that evolved base station, gateway, grouped data network gateway
Timer relevant to mobile terminal identification is closed respectively, grouped data network gateway receives the data for being sent to mobile terminal
It wraps and is saved；
In multiply-connected unit 16, it is configured so that mobile terminal returns to the data network of first mode, and use preservation
The data network attachment information of first mode directly accesses internet business, and grouped data network gateway is by the data packet of preservation
It is sent to mobile terminal.
Below with reference to above-mentioned voice communication and data service switching method converses mobile terminal sound and data service
The working principle of switching is described in detail.As shown in figure 3, accessing internet by LTE network in multimode single deck tape-recorder mobile terminal 1
Network business, the specific switching of one kind under the action of switching module 11, when there is incoming call requests between LTE network and WCDMA
Process is as follows:
1., 1 user of mobile terminal of multimode single deck tape-recorder initiate united EPS/IMSI attachment flow, pass through LET data network
Access internet business；
2., mobile terminal 1 have an incoming call requests, the Mobile Switching Center Server 6 of IMSI attachment receives incoming call requests, to
The mobile management entity 2 that mobile terminal 1 belongs to issues paging request；
3., mobile management entity 2 by evolved base station 3 to mobile terminal 1 issue paging request；
4., mobile terminal 1 to mobile management entity 2 send service request, mobile management entity 2 to mobile switching centre take
Business device 6 sends service request；
5., mobile management entity 2 sent to mobile terminal 1 and fall back to the instruction of 3G network, mobile terminal 1 saves LTE number
According to network attachment information.After mobile terminal 1 falls back to 3G network, mobile terminal 1 detects current cell information and storage
Cell difference (passing through home location register 8 and home signature user server 9), will send out to Mobile Switching Center Server 6
Play location updating；
6., after updating location information, message related to calls is established in the transmission of mobile terminal 1；
7., Mobile Switching Center Server 6 after call is established, send calling to mobile management entity 2 and have built up and disappear
Breath；
8., mobile management entity 2 receive after calling has built up message, mobile management entity 2 notifies evolved base station
3, gateway 4, grouped data network gateway 5 keep 1 connection status of mobile terminal, include mobile terminal identification in message；
9., evolved base station 3, gateway 4, grouped data network gateway 5 will timing relevant to mobile terminal identification
Device is closed, and connection state information is retained；
10., grouped data network gateway 5 receives the data packet for being sent to mobile terminal 1 and is stored in packet data network
In gateway 5；
After end of conversation, Mobile Switching Center Server 6 notifies 2 end of conversation of mobile management entity；
Mobile management entity 2 notifies evolved base station 3, gateway 4, the starting of grouped data network gateway 5 and the shifting
The dynamic relevant timer of terminal iidentification；
When 1 end of conversation of mobile terminal returns to LTE network, such as guarantor can be used by radio network controller 7
The LTE data network attachment information deposited directly accesses internet business (being protected by firewall 10)；
After grouped data network gateway 5 receives the data packet of the transmission of mobile terminal 1, it is transmitted to external network, is touched simultaneously
The data packet that hair saves is sent to mobile terminal 1；
If mobile terminal 1 is after timer expiry without access internet business, evolved base station 3, moving tube
Manage the connection that entity 2, gateway 4, grouped data network gateway 5 discharge mobile terminal 1.
The voice communication and data service switching method and corresponding voice communication and data service switching device, provide
A kind of multimode single deck tape-recorder mobile terminal realizes voice and internet business in LTE and 3G network by retaining connection state information
In handoff procedure, does not need to repeat to adhere to data network, improve system performance.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, essence of the invention is not being departed from
In the case where mind and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a kind of voice communication and data service switching method, the mobile terminal applied to multimode single deck tape-recorder, which is characterized in that described
Mobile terminal is interconnected by including that the data network of mobile terminal identification adheres to information by the communication network access of first mode
The step of incoming call is handled during network service are as follows:
When there is incoming call requests, the speech path network of the mobile terminal and second mode establishes call request, and saves the first mould
The data network of formula adheres to information；
The mobile terminal establishes call conversation by the speech path network of second mode；
The mobile management entity notice network of relation member of the mobile terminal ownership keeps the mobile terminal connection state information,
And save the data packet for being sent to the mobile terminal；
After end of conversation, the mobile management entity of the mobile terminal ownership notifies the network of relation member starting and institute
State the relevant timer of mobile terminal identification；
The mobile terminal returns to the data network of first mode, and adheres to letter using the data network of the first mode saved
Breath directly accesses internet business, and the data packet of preservation is sent to the mobile terminal；
The network of relation member includes evolved base station, gateway, grouped data network gateway.
2. voice communication according to claim 1 and data service switching method, which is characterized in that the mobile terminal is returned
The mobile management entity notice network of relation member of category keeps the mobile terminal connection state information, and saves and be sent to the shifting
In the step of moving the data packet of terminal and being saved, comprising:
The evolved base station, the gateway, the grouped data network gateway respectively will be with the mobile terminal identifications
Relevant timer is closed, and the grouped data network gateway receives the data packet for being sent to the mobile terminal and protected
It deposits；
Correspondingly, returning to the data network of first mode in the mobile terminal, and use the data of the first mode saved
Network attachment information directly accesses internet business, and the step of data packet of preservation is sent to the mobile terminal
In, the data packet of preservation is sent to the mobile terminal by the grouped data network gateway.
3. voice communication according to claim 1 and data service switching method, which is characterized in that the mobile terminal with
The speech path network of second mode establishes call request, and the step of saving the data network attachment information of first mode, comprising:
The Mobile Switching Center Server of the mobile terminal identification attachment receives incoming call requests, belongs to the mobile terminal
The mobile management entity issue paging request；
The mobile management entity issues paging request to the mobile terminal by evolved base station；
The mobile terminal sends service request to the mobile management entity, and the mobile management entity is to the mobile switch
Central server sends service request；
The mobile management entity sends the instruction for falling back to the speech path network of second mode, the movement to the mobile terminal
The data network that terminal saves first mode adheres to information.
4. voice communication according to claim 1 and data service switching method, which is characterized in that the mobile terminal is logical
Cross the step of speech path network of second mode establishes call conversation, further includes:
Whether the cell that the mobile terminal detects current cell information and storage is identical:
If identical, message related to calls is established in the mobile terminal transmission；
If it is different, then being updated to the Mobile Switching Center Server launch position；It is described and after updating location information
Message related to calls is established in mobile terminal transmission.
5. voice communication according to claim 1 and data service switching method, which is characterized in that the mobile terminal is returned
Before the step of mobile management entity notice network of relation member of category keeps the mobile terminal connection state information, further includes:
The Mobile Switching Center Server sends calling to the mobile management entity and has built up after call conversation foundation
Message；
The mobile management entity receives after calling has built up message, the network of relation member of giving notice keep it is mobile eventually
The message of connection status is held, includes the mobile terminal identification in message.
6. voice communication according to claim 1 and data service switching method, which is characterized in that after end of conversation,
The mobile management entity of the mobile terminal ownership notifies the network of relation member starting and the mobile terminal identification phase
Before the step of timer of pass, further includes:
The Mobile Switching Center Server notifies mobile management entity end of conversation.
7. voice communication according to claim 1-6 and data service switching method, which is characterized in that
The data network of the first mode is 4G communication network, and the 4G communication network includes TD-LTE or FDD-LTE；
The speech path network of the second mode is 2G communication network or 3G communication network.
8. voice communication according to claim 1-6 and data service switching method, which is characterized in that the shifting
Dynamic terminal iidentification includes that EPS or mobile terminal user identify IMSI；
The network of relation member keeps mobile terminal connection status, includes at least: distributing to the IP address of the mobile terminal, divides
The identity GUTI of provisioned user.
9. a kind of voice communication and data service switching device, the mobile terminal applied to multimode single deck tape-recorder, which is characterized in that including
Converse switching module, in the mobile terminal by including that the data network of mobile terminal identification adheres to information, by the
Incoming call is handled during the communication network access internet business of one mode, the call switching module includes that detecting is single
Member establishes unit, holding unit, cuts and turn unit, multiply-connected unit, in which:
The detecting unit, is configured to when there is incoming call requests, so that the mobile terminal and the speech path network of second mode are built
Vertical call request, and save the data network attachment information of first mode；
It is described to establish unit, it is configured so that the mobile terminal establishes call conversation by the speech path network of second mode；
The holding unit is configured so that the mobile management entity notice network of relation member of the mobile terminal ownership keeps institute
Mobile terminal connection state information is stated, and saves the data packet for being sent to the mobile terminal；
Described cut turns unit, is configured to after end of conversation, so that the mobile management entity of mobile terminal ownership is logical
Know that the network of relation member starts timer relevant to the mobile terminal identification；
The multiply-connected unit is configured so that the mobile terminal returns to the data network of first mode, and uses preservation
The data network attachment information of first mode directly accesses internet business, and the data packet of preservation is sent to the shifting
Dynamic terminal；
The network of relation member includes evolved base station, gateway, grouped data network gateway.
10. voice communication according to claim 9 and data service switching device, which is characterized in that
In the holding unit, it is configured so that the evolved base station, the gateway, the grouped data network gateway
Timer relevant to the mobile terminal identification is closed respectively, the grouped data network gateway reception is sent to the shifting
The data packet of dynamic terminal is simultaneously saved；
In the multiply-connected unit, it is configured so that the mobile terminal returns to the data network of first mode, and use preservation
The data network attachment information of first mode directly access internet business, the grouped data network gateway is by preservation
Data packet is sent to the mobile terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811122854.1A CN108990124B (en) | 2018-09-26 | 2018-09-26 | Voice call and data service switching method and device |
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| CN111031531A (en) * | 2019-12-10 | 2020-04-17 | Tcl移动通信科技（宁波）有限公司 | Data transmission method, device, storage medium and terminal |
| WO2022028146A1 (en) * | 2020-08-05 | 2022-02-10 | 华为技术有限公司 | Communication method, device and system |
| CN114071620A (en) * | 2020-08-05 | 2022-02-18 | 华为技术有限公司 | Communication method, device and system |
| CN114449605A (en) * | 2022-01-25 | 2022-05-06 | Tcl通讯科技（成都）有限公司 | Call method, device, terminal equipment and storage medium |
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| CN111031531A (en) * | 2019-12-10 | 2020-04-17 | Tcl移动通信科技（宁波）有限公司 | Data transmission method, device, storage medium and terminal |
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| CN114071620A (en) * | 2020-08-05 | 2022-02-18 | 华为技术有限公司 | Communication method, device and system |
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| CN114449605A (en) * | 2022-01-25 | 2022-05-06 | Tcl通讯科技（成都）有限公司 | Call method, device, terminal equipment and storage medium |
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| CN108990124B (en) | 2021-06-29 |
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