CN101431825B - Call transfer implementing method based on multi-module terminal and multi-module terminal thereof - Google Patents
Call transfer implementing method based on multi-module terminal and multi-module terminal thereof Download PDFInfo
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- CN101431825B CN101431825B CN200810179541XA CN200810179541A CN101431825B CN 101431825 B CN101431825 B CN 101431825B CN 200810179541X A CN200810179541X A CN 200810179541XA CN 200810179541 A CN200810179541 A CN 200810179541A CN 101431825 B CN101431825 B CN 101431825B
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Abstract
The present invention discloses a realization method of call transfer based on multimode terminal and a multimode terminal, wherein the multimode terminal supports at least two networks including the first network and the second network. The method comprises the following procedures: acquiring data connection request started by the first network, wherein data connection request used to request establishment of data connection to external devices by the first network; acquiring online network identifier of the second network, and transferring call to the first network to network corresponded by network identifier. The invention is of great convenience for user usage.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of calling transfer implementation method and multimode terminal based on multimode terminal.
Background technology
Present multimode terminal is meant and can covers under the situation about supporting at network side; Compatible various modes is also carried out the terminal of radio communication, and multimode terminal has the various modes network advantages, and the bigger market space of occupation ratio; Therefore, multimode terminal has become one of emphasis of current research and development.
At present; Modal multimode terminal is a dual-mode terminal; For example, support code division multiple access (Code Division Multiple Access abbreviates CDMA as) system and support global system for mobile communications (Global System for Mobile communications; Abbreviate GSM as) GSM/CDMA dual-mode terminal, GSM/ personal handset system (Personal Handyphone System abbreviates PHS as) dual-mode terminal etc.Likewise, such as supporting CDMA and WCDMA access (Wideband Code DivisionMultiple Access abbreviates WCDMA as) and the multimode terminal of PHS also might occur.
Multimode terminal comprises that dual-mode terminal belongs to a terminal and supports the multiple network pattern; The various services of multiple network are supported at a terminal simultaneously; And can be carried out paging by the diverse network of its support; This also can produce the situation of the compatible Coordination Treatment of more complicated needs for traditional single-mode terminal.
In current GSM, call treatment becomes and becomes increasingly complex, and have certain intelligent, thereby can a greater variety of call service be provided for the user, call transfer service is one type a call service wherein.GSM comes its call flows of standard through series of standards, so that adopt unified call treatment step in the system, and interoperability and compatibility in guaranteeing to net.For example; Following four kinds of call transfer service have been defined at present: unconditional call forwarding (Call Forwarding Unconditional; Abbreviate CFU as), user's busy hour call shifts (Call Forwarding Busy; Abbreviate CFB as), calling transfer (Call Forwarding on MobileSuberiber not Reachable abbreviates CFNRc as) when calling transfer (Call Forwarding on no Reply abbreviates CFNRy as) and user can't connect during user's no response.
Realization for above-mentioned call transfer service; At first; Need customer mobile terminal (Mobile Station; Abbreviate MS as) send registration message to attaching position register (Home Location Register abbreviates HLR as), notice HLR calling transfer destination Mobile Station International ISDN Number A and the affiliated specified services group of incoming call that needs to start calling transfer; HLR is sent to visitor location register (Visitor LocationRegister abbreviates VLR as) with this user calling transinformation; Like this; When incoming call (B number) calling party MS (C number); Caller mobile services switching centre (Mobile Switching Center; Abbreviate MSC as) will be to this called subscriber's the HLR query call route that continues; HLR return routing iinformation with call proceeding to user-defined calling transfer destination Mobile Station International ISDN Number A (this mode is used under the CFU situation, realizing) or with call proceeding to the current service MSC of user, by the service MSC together with VLR according to the calling transfer type when the calling transfer trigger condition satisfies with calling transfer to destination Mobile Station International ISDN Number A (this mode is used under CFB, CFNRy, CFNRc situation, realizing).The user need start call transfer service through sending registration or activating message, comes the end call transfer service through cancellation or deexcitation message.
Fig. 1 is the message interaction process figure according to the unconditional call forwarding method of correlation technique, and is as shown in Figure 1, comprises following step S102 to step S116, and concrete operations are following:
Step S102, terminal a (MSa/TEa) is to the request of gateway MSC (GatewayMobile Switching Center the abbreviates GMSC as) MSb that makes a call;
Step S104, GMSC receive the request of calling out MSb, and send position requests to HLRb;
Step S106, the request of HLRb receiving position, and to GMSC home position information, after GMSC receives positional information; Judge that whether MSb needs calling transfer (that is OR1), is under the situation that is in judged result; Proceeding to step S110, is under the situation not in judged result, proceeds to step S108;
Step S108, GMSC are set up to the calling of MSb through MSCb;
Step S110, GMSC proceeds to step S112 then to HLRc inquiry MSc position;
Step S112, HLRc returns the MSc position to GMSC;
Step S114, GMSC is set up to the calling (that is, realize calling transfer) of MSc through MSCc, after this; Judge whether that need send the calling transfer information to the calling party (that is OR2), is under the situation that is in judged result; Proceeding to step S116, is under the situation not in judged result, process ends;
Step S116, GMSC sends calling transfer to MSa/TEa and reminds.
In correlation technique, if portable terminal has been set up the data service connection, if there is this moment audio call to insert, no matter whether the user answers, the data service connection of before having set up all can be disconnected, and treats to connect again after audio call finishes again.At this moment, if the user is carrying out important transfer of data, then maybe bust this.If the user does not hope data service and connects by the incoming call disconnection, then need carry out before the data connection calling transfer being set.But this processing method needs the user to carry out the setting of calling transfer in advance, and this has caused inconvenience to the user.
Summary of the invention
Propose the present invention to needing the user to carry out calling transfer the problem that the user is brought inconvenience being set in advance at present, for this reason, the present invention aims to provide a kind of calling transfer implementation method and multimode terminal based on multimode terminal, to address the above problem.
According to an aspect of the present invention, a kind of calling transfer implementation method based on multimode terminal is provided.
According to the calling transfer implementation method based on multimode terminal of the present invention; Wherein, The multimode terminal support comprises at least two networks of first network and second network; This method comprises: obtain the data connection request that first network is initiated, wherein, the data connection request is used for first network and sets up the data connection to outside device request; Obtaining online second network of network sign, will be to be transferred to the corresponding network of network identity to the call setting of first network.
Preferably, obtain after the first network initiated data connection request, said method also comprises: in response to the data connection request, set up multimode terminal via first network and be connected with the data of external equipment.
Preferably, after the network that calling transfer to network identity is corresponding, said method also comprises: when turn-off data connected, cancellation will be to the setting of the corresponding network of calling transfer to the network identity of first network.
Preferably, before obtaining online second network of network sign, said method also comprises: confirm that there is not the calling transfer setting with calling transfer to the predetermined terminal of first network in multimode terminal.
Preferably, two networks comprise following any two: global system for mobile communications, code division multiple access system, personal handset system.
According to another aspect of the present invention, multimode terminal is provided.
Multimode terminal support according to the present invention comprises at least two networks of first network and second network, and above-mentioned multimode terminal comprises: first acquisition module is used to obtain the data connection request that first network is initiated; Second acquisition module is used to obtain online second network of network sign; Module is set, and being used for according to network identity will be to be transferred to the corresponding network of network identity to the call setting of first network.
Preferably, above-mentioned multimode terminal also comprises: set up module, be used in response to the data connection request, set up multimode terminal via first network and be connected with the data of external equipment.
Preferably, above-mentioned multimode terminal also comprises: break off module, be used for turn-off data and connect; Control module, being used to cancel will be to the setting of the corresponding network of calling transfer to the network identity of first network.
Preferably, above-mentioned multimode terminal also comprises: determination module is used for confirming that there is not the calling transfer setting with calling transfer to the predetermined terminal of first network in multimode terminal.
Through the present invention; Utilize the characteristic of the multi communication network standby simultaneously of multimode terminal support itself that calling transfer is set automatically; Having solved needs the user to carry out the problem that the user is brought inconvenience that is provided with of calling transfer in advance at present, and then is very easy to user's use.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the message interaction process figure according to the unconditional call forwarding method of correlation technique;
Fig. 2 is the flow chart based on the calling transfer implementation method of multimode terminal according to the embodiment of the invention;
Fig. 3 is that the multimode terminal of the embodiment of the invention is initiating to carry out the flow chart that automatic calling transfer is provided with processing method when data service connects;
Fig. 4 is the flow chart of the automatic calling transfer processing method that is provided with before the multimode terminal of the embodiment of the invention stops when data service is broken off;
Fig. 5 is the structured flowchart according to the multimode terminal of the embodiment of the invention;
Fig. 6 is the concrete structure block diagram according to the multimode terminal of the embodiment of the invention.
Embodiment
Functional overview
Considering needs the user to carry out the problem that the user is brought inconvenience that is provided with of calling transfer in advance at present; The embodiment of the invention provides a kind of calling transfer implementation method and multimode terminal based on multimode terminal; Utilize multimode terminal to support the characteristic of multi communication network standby simultaneously, a kind of call transfer method that on multimode terminal, is provided with automatically is provided, promptly; Multimode terminal is provided with calling transfer automatically when setting up the data service connection; And multimode terminal is provided with the ground calling transfer before the cancellation when connecting automatically in that turn-off data is professional, and its concrete mode is to have set up after data service connects at a certain network side of multimode terminal, and the incoming call of this network side is automatically transferred to another network side of same multimode terminal; Like this; Incoming call at the network side of having set up the data service connection still can use same terminal to answer, and needn't use other terminal, is very easy to the user and uses.
The multimode terminal that the embodiment of the invention is described comprises common communication module, loudspeaker (microphone at least; Abbreviate MIC as) communication module under the module, receiver (Phone) module, each network side, and the communication module under every kind of communication pattern comprises the necessary air interface module of conversation, inner speech processing module, internal data processing module, Call Control Block and signaling processing module etc. under this pattern of completion; Wherein, the common communication module can be sent voice signal to each pattern communication module; MIC module (that is, microphone) is used to receive the user's voice signal; Phone module (that is, receiver), the opposite end voice signal that is used for the communication module under every kind of pattern is received is changed, and to this end subscriber various prompt tones is provided.
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the present invention.
Method embodiment
According to embodiments of the invention, a kind of calling transfer implementation method based on multimode terminal is provided, this multimode terminal support comprises at least two networks of first network and second network.Two networks comprise following any two: global system for mobile communications (GSM), code division multiple access system (CDMA), personal handset system (PHS).
Fig. 2 is the flow chart based on the calling transfer implementation method of multimode terminal according to the embodiment of the invention, and is as shown in Figure 2, and this method comprises that following step S202 is to step S204:
Step S202 obtains the data connection request that first network is initiated, and wherein, this data connection request is used for first network and sets up the data connection to outside device request; In response to the data connection request, set up multimode terminal via first network and be connected with the data of external equipment; When turn-off data connected, cancellation will be to the setting of the corresponding network of calling transfer to the network identity of first network.
Step S204 obtains online second network of network sign, will be to be transferred to the corresponding network of network identity to the call setting of first network.Before this, can confirm earlier that there is not the calling transfer setting with calling transfer to the predetermined terminal of first network in multimode terminal.
Through this embodiment, utilize multimode terminal to support the characteristic of multi communication network standby simultaneously,, a network side of multimode terminal automatically its incoming call is transferred to other network side standby when carrying out the data connection, can realize that the data connection can not interrupted by incoming call.
In following embodiment of the present invention; Multimode terminal is example with the dual-mode terminal; Comprise and to select heterogeneous networks (for example respectively; GSM and CDMA) two communication modules, with GSM/CDMA bimodulus dual network call transfer method being set automatically when data connect is example, connects flow process and is connected flow process with the turn-off data business and describes initiating data service respectively below.
Fig. 3 is that the multimode terminal of the embodiment of the invention is initiating to carry out the flow chart that automatic calling transfer is provided with processing method when data service connects; As shown in Figure 3; When initiating the data service connection, this method comprises following step S301 to step S307, and concrete operations are following:
Step S301: whether the multimode terminal system detects the user has data service connection request (that is, above-mentioned step S202), if the data service connection request is arranged, then proceeds to step S302; If do not detected the data service connection request, execution in step S301 still then.
Step S302: detect current multimode terminal and will initiate the side that data service connects and whether be provided with calling transfer,, then proceed to step S307 if be provided with calling transfer; If the current calling transfer that does not have setting in terminal then continues to step S303.
Step S303: detect current multimode terminal and do not initiate the side that data service connects and whether be in line states, continue step S304 if this side is in line states; If this side is not in line states, then go to step S307.
Step S304: detect current multimode terminal and whether launched automatic call forwarding function,, then continue step S305 if launched automatic call forwarding function; If automatic call forwarding function is not launched at current terminal, then go to step S307; In this step, need multimode terminal that a record is set and whether launched the setting option of automatic calling transfer, the content in this setting option should be able to keep behind cycle power, and related content can be recorded in the nonvolatile memory of multimode terminal.
Step S305: need obtain current multimode terminal in being provided with and do not initiate the telephone number that data service connects a side carrying out automatic calling transfer; So that will initiate professional all incoming calls that connect a side transfers to and does not initiate a side that data service connects (promptly; Above-mentioned step S204), proceed to step S306 then.
Need to prove, in the calling transfer of multimode terminal is provided with, need to increase a setting option, that is, whether when data connect, launch automatic calling transfer, when carrying out the data connection, all incoming calls are transferred to another network side of this machine.That is to say the user should be able to control whether launch this function.In addition, do not initiate the number that data connect a side dual mode is arranged for obtaining, a kind of mode is that the individual user number (Mobile Directory Number abbreviates MDN as) in the SIM/UIM card that can from the terminal, insert is obtained automatically; But do not preserve loCal number in the MDN item of at present a lot of SIM/UIM cards; Can't obtain the situation of opposite side number automatically for this terminal; Can adopt another kind of mode, that is, when the user launches automatic call forwarding function, manually import the number of opposite side by the user.
Step S306: multimode terminal initiates that a side that data connect gets access in according to step S305 before initiating data and connecting does not carry out the telephone number that data connect a side and comes to be provided with automatically calling transfer; This call transfer mode is unconditional call forwarding (CFU), and its concrete call transferring method can be with reference to the step of above-mentioned Fig. 1 description; Automatically this step that is set to of calling transfer is promptly accomplished.
Step S307: a side of initiating the data service connection when multimode terminal is being initiated to be provided with calling transfer before data service connects; It is not online that perhaps multimode terminal is not initiated the side that data connect; Perhaps automatic call forwarding function is not launched by the user; Then do not carry out automatic calling transfer setting, that is, do not launch automatic call forwarding function.
Need to prove; If it is not online that current multimode terminal is not initiated a side of data connection; Perhaps the automatic call forwarding function of current multimode terminal is not activated; Perhaps current multimode terminal is initiated a side of data connection initiating to be provided with calling transfer before the data connection, does not then carry out above-mentioned automatic calling transfer setting.
When the arbitrary network side when data service connect to be broken off; Detect this network side and setting up whether carried out automatic calling transfer setting when data service connects; If this network side has carried out automatic calling transfer setting; Then cancel the calling transfer that is provided with automatically, the automatic calling transfer of having set in view of the above can be cancelled when the data service connection termination.Need to prove,, then connect when breaking off and should not cancel this calling transfer in data service if, promptly be not the calling transfer that is provided with automatically by multimode terminal carrying out just being provided with calling transfer before data service connects.
Fig. 4 is the flow chart of the automatic calling transfer processing method that is provided with before the multimode terminal of the embodiment of the invention stops when data service is broken off; As shown in Figure 4; After multimode terminal has carried out automatic calling transfer; After having broken off the data service connection, comprise following step S401 to step S405, concrete operations are following:
Step S401: detect the data connection of having set up and whether be disconnected,, then proceed to step S402 if be disconnected; Otherwise, execution in step S401 still.
Step S402: judge that whether the professional network side that connects of turn-off data is provided with calling transfer, if be provided with calling transfer, then proceeds to step S403; If calling transfer is not set, finish this flow process.
Step S403: judge whether the calling transfer that has been provided with is provided with automatically when the data service connection is set up, if be provided with automatically, then proceed to step S404; If not automatic setting, then proceed to step S405.
Step S404: the calling transfer that is provided with automatically when data service connects, process ends are being set up in cancellation.
Step S405:, then do not cancel calling transfer setting, process ends when data service connects if calling transfer is not provided with automatically.
In sum; Multimode terminal of the present invention is being set up the processing method that calling transfer is set when data service connects automatically; Connect to check whether calling transfer to be set automatically when setting up in data service, connect when breaking off to check whether need cancel calling transfer in data service; Adopt the present invention; Can be implemented in and after multimode terminal is set up the data service connection side that the data service connection is not set up at calling transfer to multimode terminal is set automatically; The data service of so having set up just connects can not interrupted by incoming call; And incoming call is by calling transfer to the opposite side at same terminal, and the user can answer easily and not influence data service and connect.
Device embodiment
According to embodiments of the invention, a kind of multimode terminal is provided, can be used to realize above-mentioned calling transfer implementation method that this multimode terminal support comprises at least two networks of first network and second network based on multimode terminal.Fig. 5 is the structured flowchart according to the multimode terminal of the embodiment of the invention, and is as shown in Figure 5, and this multimode terminal comprises: first acquisition module, 52, the second acquisition modules 54, module 56 is set, and will describe said structure below.
Through this embodiment, provide can be implemented in and set up the multimode terminal that calling transfer is set when data service connects automatically.
Fig. 6 is the concrete structure block diagram according to the multimode terminal of the embodiment of the invention, and is as shown in Figure 6, and this multimode terminal also comprises: set up module 62, break off module 64, control module 66, determination module 68, will describe said structure below.
Set up module 62, be connected to first acquisition module 52, be used for after first acquisition module 52 gets access to the data connection request of first network initiation,, setting up multimode terminal via first network and being connected with the data of external equipment in response to the data connection request.Break off module 64, be connected to and set up module 62, be used for setting up after data connect setting up module 62, turn-off data connects.Control module 66 is connected to and breaks off module 64, is used for after breaking off the connection of module 64 turn-off data, and cancellation will be to the setting of the corresponding network of calling transfer to the network identity of first network.Determination module 68 is connected to second acquisition module 54, is used for before second acquisition module 54 obtains online second network of network sign, confirming that there is not the calling transfer setting with calling transfer to the predetermined terminal of first network in multimode terminal.
To sum up; If after data connect incoming call is arranged for solving on portable terminal, to set up; The problem that data connection meeting is interrupted by incoming call also makes full use of the characteristic of standby simultaneously under a plurality of networks of multimode terminal, the invention provides multimode terminal and setting up the processing method that calling transfer is set when data service connects automatically, and multimode terminal is provided with the processing method of ground calling transfer when connecting automatically in that turn-off data is professional before the cancellation; Compared with prior art; Whether the multimode terminal of the embodiment of the invention detects the state of current each network side and whether is provided with calling transfer when initiating the data service connection setting up the processing method that calling transfer is set when data service connects automatically, and detect automatic call forwarding function and launch; Determine whether being provided with automatically the opposite side network that all incoming calls of the network side of initiating the data connection is transferred to multimode terminal according to above testing result; Incoming call can interrupt the problem that data connect during having solved the data service connection, and does not need the user carrying out before data service connects calling transfer being set manually, in addition; Be provided with to call out the opposite side network of transferring to same multimode terminal because be; The time still can answer at incoming call with same terminal, convenient for users to use, the concurrent function of support voice and data service in multi-mode communication preferably.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize by calculation element.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. calling transfer implementation method based on multimode terminal, said multimode terminal support comprises at least two networks of first network and second network, it is characterized in that, said method comprises:
Obtain the data connection request that said first network is initiated, wherein, said data connection request is used for said first network and sets up the data connection to outside device request;
Obtain online second network of network sign; To be to be transferred to the corresponding network of said network identity to the call setting of said first network; Electrotransfer connects said data and can not interrupted by said incoming call to the said second network standby in the future when said first network carries out the data connection.
2. method according to claim 1 is characterized in that, obtains said first network and initiates after the said data connection request, and said method also comprises:
In response to said data connection request, set up said multimode terminal via said first network and be connected with the data of said external equipment.
3. method according to claim 2 is characterized in that, after with the corresponding network of said calling transfer to said network identity, said method also comprises:
When turn-off data connected, cancellation will be to the setting of the corresponding network of the extremely said network identity of the calling transfer of said first network.
4. method according to claim 1 is characterized in that, before the said network identity that obtains the second online network, said method also comprises:
Confirm that there is not the calling transfer setting with calling transfer to the predetermined terminal of said first network in said multimode terminal.
5. method according to claim 1 is characterized in that, said two networks comprise following any two:
Global system for mobile communications, code division multiple access system, personal handset system.
6. multimode terminal, said multimode terminal support comprises at least two networks of first network and second network, it is characterized in that, said multimode terminal comprises:
First acquisition module is used to obtain the data connection request that said first network is initiated;
Second acquisition module is used to obtain online second network of network sign;
Module is set; Being used for according to said network identity will be to be transferred to the corresponding network of said network identity to the call setting of said first network; Electrotransfer connects said data and can not interrupted by said incoming call to the said second network standby in the future when said first network carries out the data connection.
7. multimode terminal according to claim 6 is characterized in that, also comprises:
Set up module, be used for, set up said multimode terminal via said first network and be connected with the data of external equipment in response to said data connection request.
8. multimode terminal according to claim 7 is characterized in that, also comprises:
Break off module, be used for turn-off data and connect;
Control module, being used to cancel will be to the setting of the corresponding network of the extremely said network identity of the calling transfer of said first network.
9. multimode terminal according to claim 6 is characterized in that, also comprises:
Determination module is used for confirming that there is not the calling transfer setting with calling transfer to the predetermined terminal of said first network in said multimode terminal.
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| CN200810179541XA CN101431825B (en) | 2008-11-29 | 2008-11-29 | Call transfer implementing method based on multi-module terminal and multi-module terminal thereof |
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| CN200810179541XA CN101431825B (en) | 2008-11-29 | 2008-11-29 | Call transfer implementing method based on multi-module terminal and multi-module terminal thereof |
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| CN101715209A (en) * | 2009-11-11 | 2010-05-26 | 中兴通讯股份有限公司 | Method and system for multilink transmission data |
| WO2012017562A1 (en) * | 2010-08-04 | 2012-02-09 | Telefonaktiebolaget L M Ericsson (Publ) | Telephone, control method therefor, provisioning server, and control method therefor |
| EP2768210A1 (en) * | 2011-04-28 | 2014-08-20 | Nokia Corporation | Apparatus and method for multiple subscriber moduls in a communication terminal |
| CN103581854B (en) * | 2012-08-07 | 2016-12-21 | 联芯科技有限公司 | Dual-card dual-standby single-pass mobile phone and phone incoming call method thereof |
| CN104780517A (en) * | 2014-01-15 | 2015-07-15 | 诺基亚公司 | Method and device for communication of mobile phone |
| CN103974216B (en) * | 2014-04-01 | 2017-07-25 | 联想(北京)有限公司 | A kind of information processing method and electronic equipment |
| CN104320860B (en) * | 2014-10-24 | 2018-09-14 | 东莞宇龙通信科技有限公司 | Network connection method, device and terminal |
| CN104602216A (en) * | 2015-02-02 | 2015-05-06 | 西安酷派软件科技有限公司 | Call management method of multi-system terminal and multi-system terminal |
| CN109756633B (en) * | 2017-11-01 | 2021-03-30 | 中国电信股份有限公司 | Call answering method and system |
| WO2024092418A1 (en) * | 2022-10-31 | 2024-05-10 | 海能达通信股份有限公司 | Multi-network communication method and multi-network communication system |
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