CN103987099A - Voice communication method and system for multi-card and multi-standby terminal - Google Patents
Voice communication method and system for multi-card and multi-standby terminal Download PDFInfo
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Abstract
The invention belongs to the technical field of communication, and provides a voice communication method for a multi-card and multi-standby terminal. The multi-card and multi-standby terminal comprises a main card and at least one auxiliary card, the main card is registered in a 4G network, and the auxiliary cards are registered in a 2G network and/or a 3G network. The voice communication method includes the steps that incoming calls to the main card are received in the covering range of the 4G network; whether the main card resides in the 4G network or not is detected; if the main card resides in the 4G network, the incoming calls of the main card are transferred to one of the auxiliary cards. Correspondingly, the invention further provides a voice communication system for the multi-card and multi-standby terminal. In this way, when the main card of the multi-card and multi-standby terminal resides in the 4G network and receives the incoming calls, the incoming calls are transferred to one auxiliary card to reduce the network switching processes of the main card, meanwhile, it can be avoided that 4G service of the main card is affected by voice service, and therefore terminal performance and user experience are improved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of audio communication method and system of Multi-card multi-standby terminal.
Background technology
Along with LTE (Long Term Evolution, Long Term Evolution)/SAE (System Architecture Evolution, system architecture evolution) etc. 4G (Fourth Generation, the 4th third-generation mobile communication technology) network technology increasingly mature, the network architecture of mobile communication system will be progressively to EPS (Evolved Packet System, evolved packet system) evolution, it is also the inevitable development trend of speech business that the IP (Internet Protocol, Internet Protocol) of speech business changes.But really realizing VoLTE (Voice over LTE, based on the speech business of LTE) will be a very long process.Therefore, CS (Circuit Switching, circuit domain) speech business will be within a very long time and PS (Packet Switching, packet domain) business depositing, voice solution based on CSFB (Circuit Switched Fallback, circuit domain dropping) will play a significant role in network evolution transition stage.At present, because 4G network is only supported packet domain, the voice transition scheme of many, whole world common carrier using circuit domain dropping technology as 4G network, all need first gravity treatment 2G (Second Generation but per call is set up in circuit domain dropping technology, Generation Mobile Telecommunication System technology)/3G (Third Generation, 3G (Third Generation) Moblie technology) network, if calling establishment time delay is long, user experiences poor.For example, the TD-LTE of China Mobile (Time Division Long Term Evolution, timesharing Long Term Evolution) also adopt circuit domain dropping technology, it is in 4G network coverage, if mobile terminal is in the time of processed voice business, mobile terminal need to first return back to the circuit domain of 2G/3G network and process, under the 4G network condition based on LTE, data service is provided by 4G network, and speech business is still provided by 2G/3G network.Circuit domain dropping technology can switch to 2G/3G network by 4G network, after speech business completes, once more switches back 4G network.Visible, the speech business of existing 4G network need to be switched through twice network, has the long problem of call set-up time, and it directly affects user and experiences.
To this, prior art is mostly paid close attention to the time that how to shorten circuit domain dropping processing, to reduce as far as possible the time delay of network switching process, but in fact can not really effectively avoid the problem of handover delay, for example:
Chinese patent application CN201110058113.3 discloses a kind of changing method and device of voice fallback, it is before terminal to report B1 measurement report, first report based on covering EUTRAN (Evolved Universal Terrestrial Radio Access Network, the general continental rise wireless access network of evolution) measurement report, avoid this circuit domain dropping to process unsuccessfully, cause extending audio call turn-on time even failed situation.
Chinese patent application CN200810146672.8 discloses a kind of speech business changing method, system and device, it is by sharing eMSC (enhanced Mobile Switch Center, enhancement mode mobile switching centre) node, save at eMSC and VCC (Voice Call Continuity, continuous voice call) the extra cost of disposing VCC node in the network that coexists, and the voice interruption that the speech business that can ensure to be carried on 4G network switches to the handoff procedure of the circuit domain of 2G/3G network is no more than 300ms, to improve the service quality of voice communication service.
In summary, obviously there is inconvenience and defect in prior art in actual use, so be necessary to be improved.
Summary of the invention
For above-mentioned defect, the object of the present invention is to provide a kind of audio communication method and system of Multi-card multi-standby terminal, when the main card of Multi-card multi-standby terminal resides in 4G network and receives incoming call, by future electrotransfer to the mode of vice card, reduce main card and cut net flow process, and can avoid speech business to affect main card and carry out 4G business.
To achieve these goals, the invention provides a kind of audio communication method of Multi-card multi-standby terminal, described Multi-card multi-standby terminal comprises a main card and at least one vice card, described main card is registered on 4G network, described vice card is registered on 2G network and/or 3G network, and described audio communication method comprises that step has:
Incoming call receiving step receives the incoming call to described main card in the coverage of described 4G network;
Whether detecting step, detect described main card and reside on described 4G network;
Incoming call transfer step, if described main card resides on described 4G network, transfers to a described vice card by the described incoming call of described main card.
According to audio communication method of the present invention, described detecting step further comprises:
Whether detect described main card resides on described 4G network;
If described main card resides on described 4G network, further judge that whether described main card is in being not suitable for carrying out the state of voice call;
Described incoming call transfer step further comprises:
If described main card resides on described 4G network and described main card in the time being not suitable for carrying out the state of voice call, the described incoming call of described main card is transferred to described vice card.
According to audio communication method of the present invention, described in be not suitable for carrying out voice call state comprise:
Described main card is carrying out 4G data service; Or
Described main card is not supported ip voice business; Or
Described main card is supported circuit domain dropping, but the time delay of circuit domain dropping processing exceedes scheduled time threshold value.
According to audio communication method of the present invention, described audio communication method also comprises that step has:
Fall treatment step after rise, if described main card does not reside on described 4G network, described main card is carried out to circuit domain dropping processing, described 4G network is switched to described 2G network or 3G network, complete by described 2G network or the registered circuit domain resource of 3G network the speech business that described incoming call is corresponding, after described speech business completes, once more switch back described 4G network.
According to audio communication method of the present invention, described 4G network comprises long-term evolving network or system architecture evolution network;
Described incoming call transfer step comprises:
Described main card continues to reside on described 4G network.
The present invention also provides a kind of audio communication system of Multi-card multi-standby terminal, described Multi-card multi-standby terminal comprises a main card and at least one vice card, described main card is registered on 4G network, and described vice card is registered on 2G network and/or 3G network, and described audio communication system includes:
Incoming call receiver module, for receiving the incoming call to described main card in the coverage of described 4G network;
Whether detection module, reside on described 4G network for detection of described main card;
Incoming call shift module, if reside in described 4G network for described main card, transfers to a described vice card by the described incoming call of described main card.
According to audio communication system of the present invention, described detection module further comprises:
Whether the first detection sub-module, reside on described 4G network for detection of described main card;
The second detection sub-module, if reside in described 4G network for described main card, further judges that whether described main card is in being not suitable for carrying out the state of voice call;
If described incoming call shift module for described main card reside on described 4G network and described main card in the time being not suitable for carrying out the state of voice call, the described incoming call of described main card is transferred to described vice card.
According to audio communication system of the present invention, described in be not suitable for carrying out voice call state comprise:
Described main card is carrying out 4G data service; Or
Described main card is not supported ip voice business; Or
Described main card is supported circuit domain dropping, but the time delay of circuit domain dropping processing exceedes scheduled time threshold value.
According to audio communication system of the present invention, described audio communication system also comprises that module has:
Fall processing module after rise, if do not reside in described 4G network for described main card, described main card is carried out to circuit domain dropping processing, described 4G network is switched to described 2G network or 3G network, complete by registered circuit domain resource in described 2G network or 3G network the speech business that described incoming call is corresponding, after described speech business completes, once more switch back described 4G network.
According to audio communication system of the present invention, described 4G network comprises long-term evolving network or system architecture evolution network;
Described incoming call shift module, for the described incoming call of described main card is transferred to after a described vice card, continues described main card to reside on described 4G network.
Multi-card multi-standby terminal of the present invention comprises a main card and at least one vice card, described main card is registered on 4G network, described vice card is registered on 2G network and/or 3G network, Multi-card multi-standby terminal is in the time that the coverage of 4G network receives the incoming call to main card, whether reside in the situation on 4G network according to main card, determine whether doing circuit domain dropping processing; If main card resides on 4G network, the incoming call of main card is transferred to a vice card, utilize the chartered 2G/3G circuit domain of vice card resource to carry out speech business, main card continues to remain on 4G network to carry out corresponding 4G business; If main card does not reside on 4G network, main card is carried out to normal circuit domain dropping processing, be switched to 2G/3G network by 4G network, after speech business completes, once more switch and register back 4G network.Whereby, the main card of Multi-card multi-standby terminal of the present invention resides in 4G network and receives when incoming call, by future electrotransfer to the mode of vice card, reduce main card and cut net flow process, can avoid speech business to affect main card and carry out 4G business, thereby promoted terminal capabilities and user's experience simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of the audio communication system of Multi-card multi-standby terminal of the present invention;
Fig. 2 is the structural representation of the audio communication system of the preferred Multi-card multi-standby terminal of the present invention;
Fig. 3 is the flow chart of the audio communication method of Multi-card multi-standby terminal of the present invention;
Fig. 4 is the flow chart of the audio communication method of the preferred Multi-card multi-standby terminal of the present invention.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Fig. 1 is the structural representation of the audio communication system of Multi-card multi-standby terminal of the present invention, described multi-mode multi-standby terminal 100 can be mobile phone, PDA (the Personal Digital Assistant that supports that dual-mode dual-standby, tri-mode tri-standby, bimodulus three are treated etc., personal digital assistant), panel computer etc., described Multi-card multi-standby terminal comprises a main card and at least one vice card, described main card is registered on 4G network, and described vice card is registered on 2G network and/or 3G network.Described 4G network comprises LTE network or SAE network etc.; Described 2G network comprises GSM (Global System of Mobile communication, global system for mobile communications) network, CDMA (Code Division Multiple Access, code division multiple access) network etc.3G network comprises WCDMA (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA)) network, CDMA2000 (Wideband Code Division Multiple Access, code division multiple access) network and TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, TD SDMA) network etc.Audio communication system 100 of the present invention at least includes incoming call receiver module 10, detection module 20 and incoming call shift module 30, wherein:
Described incoming call receiver module 10, for receiving the incoming call to main card in the coverage of 4G network.Here refer to, when Multi-card multi-standby terminal enters after the coverage of 4G network, receive the audio call of other communication terminals to main card.
Whether described detection module 20, reside on 4G network for detection of main card.It is 4G network that described main card resides in the current network that 4G network refers to Multi-card multi-standby terminal, and now main card can carry out by 4G network the various 4G business such as 4G data service.Be more preferably, described detection module 20 is after detecting that main card resides on 4G network, further judge that main card, whether in being not suitable for carrying out the state of voice call, comprising: main card is carrying out 4G data service, connecting incoming call can affect 4G data service normally to carry out; Or main card is not supported ip voice business; Or main card is supported circuit domain dropping, but the time delay of circuit domain dropping processing exceedes scheduled time threshold value etc.
Described incoming call shift module 30, if reside in 4G network for main card, transfers to the incoming call of main card a vice card.The incoming call of main card is transferred to after a vice card, and main card continues to reside on 4G network, to carry out corresponding 4G business.Preferably, if main card resides on 4G network and main card in the time of the described state that is not suitable for carrying out voice call, incoming call shift module 30 just the incoming call of main card can be transferred to vice card.The present invention, for the Multi-card multi-standby terminal that comprises two or more vice cards, transfers to predetermined vice card according to predetermined set by the incoming call of main card.The predetermined vice card that described reception carrys out electrotransfer can be arranged or User Defined arranges by system default.The sequence that carrys out electrotransfer of multiple vice cards can also be set, when the vice card of the first tagmeme carry out electrotransfer failure, also in the future electrotransfer to the vice card of the second tagmeme.
Preferably, whether incoming call shift module 30 resides in 4G network according to main card, decides send a telegram here transfer processing or circuit domain dropping processing.If main card does not reside on 4G network, Multi-card multi-standby terminal carries out normal circuit domain dropping processing to main card, is switched to 2G/3G network by 4G network, after speech business completes, once more switches and registers back 4G network.
When the main card of Multi-card multi-standby terminal of the present invention resides in 4G network and receives incoming call, by future electrotransfer to the mode of vice card, do not need to carry out circuit domain dropping processing, whole process main card does not carry out network switching, cut network process thereby reduce main card, improve user and experience.And main card continues to reside in 4G network, can normally carry out 4G data service and not affected by speech business.Meanwhile, so also can not affect the voice call function situation of vice card, if because now there is call vice card, for vice card, be exactly No. second phone incoming call, can call-reminding etc. mode normally answer for user.
Fig. 2 is the structural representation of the audio communication system of the preferred Multi-card multi-standby terminal of the present invention, described Multi-card multi-standby terminal comprises a main card and at least one vice card, described main card is registered on 4G network, described vice card is registered on 2G network and/or 3G network, described audio communication system 100 includes incoming call receiver module 10, detection module 20, incoming call shift module 30 and falls processing module 40 after rise, wherein:
Described incoming call receiver module 10, for receiving the incoming call to main card in the coverage of 4G network.
Described detection module 20 further comprises:
Whether the first detection sub-module 21, reside on 4G network for detection of main card.It is 4G network that described main card resides in the current network that 4G network refers to Multi-card multi-standby terminal, and main card can carry out by 4G network the various 4G business such as 4G data service.
The second detection sub-module 22, if reside in 4G network for main card, further judges that whether main card is in being not suitable for carrying out the state of voice call.The described state that is not suitable for carrying out voice call comprises: main card is carrying out 4G data service; Main card is not supported ip voice business (for example VOLTE business); Or main card is supported circuit domain dropping, but the time delay of circuit domain dropping processing exceedes scheduled time threshold value.The described state that is not suitable for carrying out voice call can be arranged by system default, also can be arranged by User Defined.
If described incoming call shift module 30 resides on 4G network for main card and main card in the time being not suitable for carrying out the state of voice call, the incoming call of main card is transferred to vice card, and main card is continued to reside on 4G network.For the processing that carrys out electrotransfer, no matter main card and gynaecology are same operator or different operators, all may relate to operator and serve distolateral improvement.The present invention preferably transfers to vice card by the mode of call forwarding by the incoming call of main card, and call forwarding adopts and seamlessly transit mode, and calling subscriber can not feel and carrys out the situation of electrotransfer.
Described falling processing module 40, if if do not reside in 4G network or main card resides on 4G network and main card but not in the time being not suitable for carrying out the state of voice call for main card, main card is carried out to circuit domain dropping processing, 4G network is switched to 2G network or 3G network, complete by registered circuit domain resource in 2G network or 3G network the speech business that incoming call is corresponding, after speech business completes, once more switch back 4G network, now main card is registered resident to 4G network again.
Fig. 3 is the flow chart of the audio communication method of Multi-card multi-standby terminal of the present invention, described Multi-card multi-standby terminal comprises a main card and at least one vice card, main card is registered on 4G network, vice card is registered on 2G network and/or 3G network, described audio communication method can be realized by audio communication system 100 as shown in Figure 1 or 2, and described method comprises that step has:
Step S301, incoming call receiving step receives the incoming call to main card in the coverage of 4G network.
Here refer to, when Multi-card multi-standby terminal enters after the coverage of 4G network, receive the audio call of other communication terminals to main card.
Step S302, whether detecting step, detect main card and reside on 4G network.
It is 4G network that described main card resides in the current network that 4G network refers to Multi-card multi-standby terminal, and main card can carry out by 4G network the various 4G business such as 4G data service.This step is more preferably, and after detecting that main card resides on 4G network, further judges that whether main card is in being not suitable for carrying out the state of voice call, comprises that main card is carrying out 4G data service, and connecting incoming call can affect 4G data service normally to carry out; Or main card is not supported ip voice business; Or main card is supported circuit domain dropping, but the time delay of circuit domain dropping processing exceedes scheduled time threshold value etc.
Step S303, incoming call transfer step, if main card resides on 4G network, transfers to the incoming call of main card a vice card.Now, main card continues to reside on 4G network.
This step is transferred to the incoming call of main card after a vice card, main card is continued to reside on 4G network, to carry out corresponding 4G business.Preferably, if main card resides on 4G network and main card in the time of the described state that is not suitable for carrying out voice call, this step just can be transferred to vice card by the incoming call of main card.The present invention, for the Multi-card multi-standby terminal that comprises two or more vice cards, transfers to predetermined vice card according to predetermined set by the incoming call of main card.The predetermined vice card that described reception carrys out electrotransfer can be arranged or User Defined arranges by system default.The sequence that carrys out electrotransfer of multiple vice cards can also be set, when the vice card of the first tagmeme shifts unsuccessfully, also in the future electrotransfer to the vice card of the second tagmeme.Preferably, whether reside in 4G network according to main card, decide send a telegram here transfer processing or circuit domain dropping processing.If main card does not reside on 4G network, Multi-card multi-standby terminal carries out normal circuit domain dropping processing to main card, is switched to 2G/3G network by 4G network, after speech business completes, once more switches and registers back 4G network.
Fig. 4 is the flow chart of the audio communication method of the preferred Multi-card multi-standby terminal of the present invention, described Multi-card multi-standby terminal comprises a main card and at least one vice card, described audio communication method can be realized by audio communication system 100 as shown in Figure 2, and described method comprises that step has:
Step S401, is registered in main card on 4G network, and vice card is registered on 2G network and/or 3G network.Described 4G network comprises LTE (long-term evolving network) network or SAE (system architecture evolution) network.
Step S402 receives the incoming call to main card in the coverage of 4G network.
Whether step S403, detect main card and reside on 4G network, if perform step S404, otherwise execution step S406.
It is 4G network that described main card resides in the current network that 4G network refers to Multi-card multi-standby terminal, and main card can carry out by 4G network the various 4G business such as 4G data service.
Step S404, if main card resides on 4G network, further judges that whether main card is in being not suitable for carrying out the state of voice call, if perform step S405, otherwise execution step S406.
The described state that is not suitable for carrying out voice call comprises: main card is carrying out 4G data service; Main card is not supported ip voice business (for example VOLTE business); Or main card is supported circuit domain dropping, but the time delay of circuit domain dropping processing exceedes scheduled time threshold value.The described state that is not suitable for carrying out voice call can be arranged by system default, also can be arranged by User Defined.
Step S405, if main card resides on 4G network and main card in the time being not suitable for carrying out the state of voice call, the incoming call of main card is transferred to vice card.Now, main card continues to reside on 4G network.
This step, for the processing that carrys out electrotransfer, no matter main card and gynaecology are same operator or different operators, all may relate to operator and serve distolateral improvement.The present invention preferably transfers to vice card by the mode of call forwarding by the incoming call of main card, and call forwarding adopts and seamlessly transit mode, and calling subscriber can not feel and carrys out the situation of electrotransfer.
Step S406, if main card does not reside on 4G network, main card is carried out to circuit domain dropping processing, 4G network is switched to 2G network or 3G network, complete by 2G network or the registered circuit domain resource of 3G network the speech business that incoming call is corresponding, after speech business completes, once more switch back 4G network, now main card is registered resident to 4G network again.
A concrete application scenarios is described below:
The main card of user's LTE double card double standby mobile phone is registered in LTE network (4G network), vice card is registered in GSM network (2G network), when LTE double card double standby mobile phone enters into the coverage of LTE network, and receive the incoming call of other communication terminals to main card, process in two kinds of situation here:
The first situation, if now user does not carry out LTE data service operation, LTE double card double standby mobile phone carries out the processing of normal circuit domain dropping, is switched to GSM network and carries out voice call, handles after voice call, then re-registers LTE network.
The second situation, if now user is carrying out LTE data service operation, vice card transferred to by the incoming call of main card by LTE double card double standby mobile phone, main card continues to remain on LTE network to carry out LTE business datum, and the GSM network that utilizes vice card completes voice call process, it not only reduces main card and cuts net flow process, and can avoid the speech business of main card to affect the normal running of data service.
In sum, Multi-card multi-standby terminal of the present invention comprises a main card and at least one vice card, described main card is registered on 4G network, described vice card is registered on 2G network and/or 3G network, Multi-card multi-standby terminal is in the time that the coverage of 4G network receives the incoming call to main card, whether reside in the situation on 4G network according to main card, determine whether doing circuit domain dropping processing; If main card resides on 4G network, the incoming call of main card is transferred to a vice card, utilize the chartered 2G/3G circuit domain of vice card resource to carry out speech business, main card continues to remain on 4G network to carry out corresponding 4G business; If main card does not reside on 4G network, main card is carried out to normal circuit domain dropping processing, be switched to 2G/3G network by 4G network, after speech business completes, once more switch and register back 4G network.Whereby, the main card of Multi-card multi-standby terminal of the present invention resides in 4G network and receives when incoming call, by future electrotransfer to the mode of vice card, reduce main card and cut net flow process, can avoid speech business to affect main card and carry out 4G business, thereby promoted terminal capabilities and user's experience simultaneously.
Certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. the audio communication method of a Multi-card multi-standby terminal, described Multi-card multi-standby terminal comprises a main card and at least one vice card, and described main card is registered on 4G network, and described vice card is registered on 2G network and/or 3G network, it is characterized in that, described audio communication method comprises that step has:
Incoming call receiving step receives the incoming call to described main card in the coverage of described 4G network;
Whether detecting step, detect described main card and reside on described 4G network;
Incoming call transfer step, if described main card resides on described 4G network, transfers to a described vice card by the described incoming call of described main card.
2. audio communication method according to claim 1, is characterized in that, described detecting step further comprises:
Whether detect described main card resides on described 4G network;
If described main card resides on described 4G network, further judge that whether described main card is in being not suitable for carrying out the state of voice call;
Described incoming call transfer step further comprises:
If described main card resides on described 4G network and described main card in the time being not suitable for carrying out the state of voice call, the described incoming call of described main card is transferred to described vice card.
3. audio communication method according to claim 2, is characterized in that, described in be not suitable for carrying out voice call state comprise:
Described main card is carrying out 4G data service; Or
Described main card is not supported ip voice business; Or
Described main card is supported circuit domain dropping, but the time delay of circuit domain dropping processing exceedes scheduled time threshold value.
4. audio communication method according to claim 1, is characterized in that, described audio communication method also comprises that step has:
Fall treatment step after rise, if described main card does not reside on described 4G network, described main card is carried out to circuit domain dropping processing, described 4G network is switched to described 2G network or 3G network, complete by described 2G network or the registered circuit domain resource of 3G network the speech business that described incoming call is corresponding, after described speech business completes, once more switch back described 4G network.
5. according to the audio communication method described in claim 1～4 any one, it is characterized in that, described 4G network comprises long-term evolving network or system architecture evolution network;
Described incoming call transfer step comprises:
Described main card continues to reside on described 4G network.
6. the audio communication system of a Multi-card multi-standby terminal, described Multi-card multi-standby terminal comprises a main card and at least one vice card, and described main card is registered on 4G network, and described vice card is registered on 2G network and/or 3G network, it is characterized in that, described audio communication system includes:
Incoming call receiver module, for receiving the incoming call to described main card in the coverage of described 4G network;
Whether detection module, reside on described 4G network for detection of described main card;
Incoming call shift module, if reside in described 4G network for described main card, transfers to a described vice card by the described incoming call of described main card.
7. audio communication system according to claim 6, is characterized in that, described detection module further comprises:
Whether the first detection sub-module, reside on described 4G network for detection of described main card;
The second detection sub-module, if reside in described 4G network for described main card, further judges that whether described main card is in being not suitable for carrying out the state of voice call;
If described incoming call shift module for described main card reside on described 4G network and described main card in the time being not suitable for carrying out the state of voice call, the described incoming call of described main card is transferred to described vice card.
8. audio communication system according to claim 7, is characterized in that, described in be not suitable for carrying out voice call state comprise:
Described main card is carrying out 4G data service; Or
Described main card is not supported ip voice business; Or
Described main card is supported circuit domain dropping, but the time delay of circuit domain dropping processing exceedes scheduled time threshold value.
9. audio communication system according to claim 6, is characterized in that, described audio communication system also comprises that module has:
Fall processing module after rise, if do not reside in described 4G network for described main card, described main card is carried out to circuit domain dropping processing, described 4G network is switched to described 2G network or 3G network, complete by registered circuit domain resource in described 2G network or 3G network the speech business that described incoming call is corresponding, after described speech business completes, once more switch back described 4G network.
10. according to the audio communication system described in claim 6～9 any one, it is characterized in that, described 4G network comprises long-term evolving network or system architecture evolution network;
Described incoming call shift module, for the described incoming call of described main card is transferred to after a described vice card, continues described main card to reside on described 4G network.
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| CN104581992A (en) * | 2014-12-04 | 2015-04-29 | 中国联合网络通信集团有限公司 | Service access method and mobile management entity |
| CN105072706A (en) * | 2015-07-02 | 2015-11-18 | 中国联合网络通信集团有限公司 | Business processing method and system based on double-card terminal |
| CN105578572A (en) * | 2015-04-30 | 2016-05-11 | 宇龙计算机通信科技(深圳)有限公司 | Power consumption reducing method and terminal |
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| CN107872788A (en) * | 2016-09-27 | 2018-04-03 | 中国移动通信有限公司研究院 | The method and double-terminal that a kind of voice service of double-terminal continues |
| CN107872788B (en) * | 2016-09-27 | 2021-01-15 | 中国移动通信有限公司研究院 | Method for voice service connection of dual-card terminal and dual-card terminal |
| 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 |
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| US11843721B2 (en) | 2017-10-09 | 2023-12-12 | Huawei Technologies Co., Ltd. | Method and terminal for supporting voice service and data service simultaneously |
| US11463588B2 (en) | 2017-10-09 | 2022-10-04 | Huawei Technologies Co., Ltd. | Method and terminal for supporting voice service and data service simultaneously |
| WO2020114093A1 (en) * | 2018-12-04 | 2020-06-11 | 中兴通讯股份有限公司 | Voice service processing method and device, storage medium and electronic device |
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| US11997751B2 (en) | 2019-01-18 | 2024-05-28 | Vivo Mobile Communication Co., Ltd. | Method for supporting UE association and communications device |
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| CN114040344A (en) * | 2021-11-30 | 2022-02-11 | 上海立可芯半导体科技有限公司 | Method for receiving public early warning information by mobile terminal and mobile terminal |
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