CN102869057A - Method and system for switching network types of PS (packet switch) domain - Google Patents
Method and system for switching network types of PS (packet switch) domain Download PDFInfo
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- CN102869057A CN102869057A CN2012103606993A CN201210360699A CN102869057A CN 102869057 A CN102869057 A CN 102869057A CN 2012103606993 A CN2012103606993 A CN 2012103606993A CN 201210360699 A CN201210360699 A CN 201210360699A CN 102869057 A CN102869057 A CN 102869057A
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Abstract
An embodiment of the invention discloses a method and a system for switching network types of a PS (packet switch) domain and relates to the technical field of wireless communication. The method and the system are capable of guaranteeing an assigned IP (internet protocol) address of terminal equipment unchanged during network type switching, so that service continuity is guaranteed, and user experience is improved. The method includes: receiving an attach signaling sent by the terminal equipment, wherein the attach signaling assigns a network type required to be switched by the PS domain of the terminal equipment; acquiring an IP address of an original network type of the terminal equipment; and omitting a step that the PS domain of the terminal equipment is detached from a communication network, and switching the PS domain of the terminal equipment to the network type assigned by the attach signaling without changing the IP address. The method and the system are applicable to switching of the network types.
Description
Technical field
The present invention relates to the wireless communication technique field, relate in particular to the method and system of the handover network standard in a kind of packet switching PS territory
Background technology
In the related mechanics of communication of existing 3GPP consensus standard, CS territory (Circuit Switch, circuit commutative field) mainly is responsible for speech business, circuit type data service etc.; Data service, streaming media service etc. mainly are responsible in PS territory (Packet Switch, packet-switched domain).The communicating terminal of the two standby functions of multimode has appearred having thus.Wherein, multimode refers to that a communicating terminal can support the multiple network standard simultaneously, and every kind of standard adopts a kind of wireless communication protocol; Two waiting is that a communicating terminal can respectively use a telephone number online simultaneously on two kinds of different network formats.For example: the CDMA2000(CodeDivision Multiple Access 2000/CDMA Multi-Carrier on the present North America market, CDMA 2000) standard and LTE (Long Term Evolution, Long Term Evolution) the CS territory of standard and PS territory are two treats, an i.e. number registration and reside in CDMA2000 standard on the CS territory, another number registration also resides in LTE standard on the PS territory.
The gradually construction of ripe and corresponding communications service along with third generation wireless communication technique, the area of the overlapped covering of wireless network of various different systems increases gradually, so that the two terminal equipments for the treatment of of multimode often need to switch between different network formats, especially the switching between the network formats in PS territory, for example:
GSM (Global System for Mobile communications, global system for mobile communications) and LTE be the upper network formats in PS territory, terminal equipment originally resided on the GSM, searched the LTE residential quarter this moment, and prepare to switch to LTE, need first to net side MME(mobile management entity) send detach(and separate) information connects with the PS territory with GSM and break first, sending attach(to net side MME again adheres to) information connects to start the PS territory at LTE, namely nullify at GSM first and register at LTE again, the IP(Internet Interconnection agreement that this moment, net side MME can obtain terminal equipment when GSM register) address withdrawal, and when terminal equipment IP address of sub-distribution again when LTE registers.
The process that can once nullify in the process of terminal equipment handover network standard on packet switching PS territory-register again, the IP address of terminal equipment also can be lost thereupon-be reallocated, namely the IP address of terminal equipment does not possess continuity in the process of handover network standard, because such as conversation, online etc. of business of the overwhelming majority, all need to use the IP address, cause thus terminal equipment in the process of handover network standard, to need to interrupt the business that the user is using, thereby reduced user's experience.
Summary of the invention
Embodiments of the invention provide the method and system of the handover network standard in a kind of packet switching PS territory, can guarantee that the IP address that terminal equipment distributes in the process of handover network standard is constant, thereby guarantee professional continuity, improve the user and experience.
For achieving the above object, embodiments of the invention adopt following technical scheme:
On the one hand, embodiments of the invention provide the method for the handover network standard in a kind of packet switching PS territory, comprising:
Receiving terminal apparatus sends adheres to attach signaling, the network formats that described attach signaling has specified the PS territory of described terminal equipment to switch to;
Obtain described terminal equipment in the IP address of former network formats;
Omission separates the step of detach with the PS territory of described terminal equipment from communication network, in the situation that do not change described IP address the PS territory of described terminal equipment is switched to the specified network formats of described attach signaling.
On the other hand, embodiments of the invention provide another kind of net side server, comprising:
The signaling receiver module, what be used for that receiving terminal apparatus sends adheres to attach signaling, the network formats that described attach signaling has specified the PS territory of described terminal equipment to switch to;
Address acquisition module is used for obtaining described terminal equipment in the IP address of former network formats;
Handover module be used for to omit the step of detach is separated in the PS territory of described terminal equipment from communication network, in the situation that do not change described IP address the PS territory of described terminal equipment is switched to the specified network formats of described attach signaling.
On the one hand, embodiments of the invention provide the method for the handover network standard in another kind of packet switching PS territory, comprising again:
Terminal equipment sends to communication network and adheres to attach signaling, the network formats that described attach signaling has specified the PS territory of described terminal equipment to switch to;
Reception is from the PS territory switching notice of communication network;
In response to described PS territory switching notice, omit detach is separated in the PS territory of described terminal equipment from communication network step, directly the PS territory with described terminal equipment switches to the specified network formats of described attach signaling.
On the one hand, embodiments of the invention provide another kind of terminal equipment, comprising again:
Receiver module is used for adhering to attach signaling, the network formats that described attach signaling has specified the PS territory of described terminal equipment to switch to the communication network transmission;
Sending module is used for receiving the PS territory switching notice from communication network;
Respond module is used in response to described PS territory switching notice, omits detach is separated in the PS territory of described terminal equipment from communication network step, and directly the PS territory with described terminal equipment switches to the specified network formats of described attach signaling.
The method and system of the handover network standard that the embodiment of the invention provides, terminal equipment can be switched to new network formats and be the IP address of new network formats with the IP address configuration of former network formats, namely in the process of handover network standard, the net side does not need to redistribute the IP address for terminal equipment.Compared with prior art, the embodiment of the invention can guarantee that the IP address that terminal equipment distributes in the process of handover network standard is constant, so that do not need interrupting service in the process of handover network standard, experiences thereby improve the user.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the below will do to introduce simply to the accompanying drawing of required use among the embodiment, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The flow chart of the method for the handover network standard in a kind of packet switching PS territory that Fig. 1 a provides for the embodiment of the invention 1;
The flow chart of the method for the handover network standard in the another kind of packet switching PS territory that Fig. 1 b provides for the embodiment of the invention 1;
The flow chart of the method for the handover network standard in another packet switching PS territory that Fig. 2 provides for the embodiment of the invention 1;
The flow chart of the method for the handover network standard in a kind of packet switching PS territory that Fig. 3 provides for the embodiment of the invention 2;
The flow chart of the method for the handover network standard in a kind of packet switching PS territory that Fig. 4 provides for the embodiment of the invention 3;
The structural representation of a kind of net side server that Fig. 5 a provides for the embodiment of the invention 4;
The structural representation of the another kind of net side server that Fig. 5 b provides for the embodiment of the invention 4;
The structural representation of a kind of terminal equipment that Fig. 6 a provides for the embodiment of the invention 5;
The structural representation of the another kind of terminal equipment that Fig. 6 b provides for the embodiment of the invention 5;
The structural representation of the system of the handover network standard in a kind of packet switching PS territory that Fig. 7 provides for the embodiment of the invention 6.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtain under the creative work prerequisite.
For the advantage that makes technical solution of the present invention is clearer, below in conjunction with drawings and Examples the present invention is elaborated.
Embodiment 1
The embodiment of the invention provides the method for the handover network standard in a kind of packet switching PS territory, as shown in Figure 1, comprising:
Wherein, the attach signaling has been specified the network formats that the PS territory of terminal equipment need to switch to.The corresponding a kind of cellular radio Communication agreement of a kind of network formats.
Concrete, in the present embodiment, the net side can receive the attach signaling that terminal equipment (UE) sends, and this attach signaling is existing 3GPP(third generation partner program) signaling of agreement defined.After the net side joint is subjected to the attach signaling, can know the network formats that terminal equipment will switch to by the prior art means.For example: smart mobile phone need to switch to LTE from GSM, then smart mobile phone can be to net side MME(Mobility Management Entity, mobile management entity) sends the attach signaling, and this attach signaling comprises the information of pointing to LTE, so that net side MME can learn that the network formats that the smart mobile phone of this attach signaling of transmission will switch to is LTE.Wherein, net side MME specifically can be the server that is used for supervising the network in the existing wireless telecommunication system.
Need to prove, in embodiments of the present invention, the net side comprises: in the process of the network formats of switching terminal equipment, carry out the server of the network side of information interaction with terminal equipment.For example: the server in the base station.Step 102 is obtained described terminal equipment in the IP address of former network formats.
Concrete, in the present embodiment, the net side can be obtained terminal equipment in the IP address of former network formats by the prior art means, for example: thus the source address of the signaling that net side MME can send by analysing terminal equipment is obtained terminal equipment in the IP address of former network formats, wherein, the embodiment of net side MME analysis signaling can realize by technological means well-known to those skilled in the art.
Wherein, the omission of net side with the PS territory of terminal equipment from the step that communication network separates detach can be: the net side is omitted the detach signaling corresponding with the attach signaling in the attach signaling that receives the terminal equipment transmission.
In the present embodiment, the net side can be when omission separates the step of detach with the PS territory of described terminal equipment from communication network, adopt switching flow well-known to those skilled in the art, for example: the standard switching flow that the net side can be related according to TS-23.401 file in the 3GPP agreement switches to the specified network formats of attach signaling with terminal equipment.
The method of the handover network standard that the present embodiment provides, the net side can switch to terminal equipment new network formats and with the IP address as new network formats, the IP address of former network formats, namely in the process of handover network standard, the net side does not need to redistribute the IP address for terminal equipment.Compared with prior art, the present invention can guarantee that the IP address that terminal equipment distributes in the process of handover network standard is constant, so that do not need interrupting service in the process of handover network standard, experiences thereby improve the user.
Further alternative, shown in Fig. 1 b, in the present embodiment, can also comprise:
In the present embodiment, the net side can be omitted the detach signaling that terminal equipment sends, also can be after the detach signaling that has received the terminal equipment transmission, by technological means refusal detach signaling well-known to those skilled in the art, so that terminal equipment is nullified in the legacy network standard according to the detach signaling in the middle of can be such as prior art in the process of handover network standard, be still to reside on the legacy network standard terminal equipment has sent signaling in the process of handover network standard after, the IP address is constant, thereby has guaranteed that the terminal equipment current business can not interrupt continuously.
Further alternative, as shown in Figure 2, embodiment provides the method for the handover network standard in a kind of packet switching PS territory to comprise:
Wherein, log-on message comprises safe context, session management context, mobile management context.
In the present embodiment, the net side can be obtained from the serving GPRS support node of current network formats the log-on message of terminal equipment on current network formats.For example: net side MME can be according to the regulation of existing protocol, by HSS(Home Subscriber Server, home subscriber server) find be kept at SGSN(ServingGPRS Support Node, serving GPRS support node) on the log-on message such as safe context, session management (SM) context, mobile management (MM) context.
Concrete, in the present embodiment, the net side can be set up the service channel of being correlated with by the prior art means at the specified network formats of attach signaling according to log-on message for terminal equipment, and be terminal equipment configuration attach signaling specified code channel and the frequency of network formats.Thereby finishing terminal equipment registers at the specified network formats of attach signaling.
The method of the handover network standard that the present embodiment provides, the net side can switch to terminal equipment new network formats and be the IP address of new network formats with the IP address configuration of former network formats, namely in the process of handover network standard, the net side does not need to redistribute the IP address for terminal equipment.Compared with prior art, the present invention can guarantee that the IP address that terminal equipment distributes in the process of handover network standard is constant, so that do not need interrupting service in the process of handover network standard, experiences thereby improve the user.
Embodiment 2
The embodiment of the invention provides the method for the handover network standard in a kind of packet switching PS territory, as shown in Figure 3, comprising:
Wherein, the attach signaling has been specified the network formats that the PS territory of terminal equipment need to switch to.
In the present embodiment, terminal equipment can generate the attach signaling the time, do not generate detach information, so that the net side receives the detach signaling corresponding with this attach signaling no longer as the prior art, thereby so that the net side can't be nullified terminal equipment in the legacy network standard according to the detach signaling, so that the net side is no longer lost terminal equipment in the IP address of former network formats.
Step 302 receives the PS territory switching notice from communication network.
In the present embodiment, the PS territory switching notice that terminal equipment can the received communication network sends, need to prove, communication network sends the embodiment of PS territory switching notice and the embodiment of the PS territory switching notice that terminal equipment received communication network sends can realize by technological means well-known to those skilled in the art.
Step 303 in response to described PS territory switching notice, is omitted detach is separated in the PS territory of described terminal equipment from communication network step, and directly the PS territory with described terminal equipment switches to the specified network formats of described attach signaling.
Wherein, the embodiment that the PS territory of terminal equipment is switched to the specified network formats of attach signaling can be: in the PS territory log-on message safe context and the session management context of terminal equipment on former network formats switched to the specified network formats of attach signaling.
The method of the handover network standard that the present embodiment provides, terminal equipment only sends the attach signaling and does not send the detach signaling to the net side, so that the net side is switching to terminal equipment in the process of new network formats, the net side does not need to nullify also again distributing IP address for terminal equipment in the legacy network standard.Compared with prior art, the present invention can guarantee that the IP address that terminal equipment distributes in the process of handover network standard is constant, so that do not need interrupting service in the process of handover network standard, experiences thereby improve the user.
Embodiment 3
The embodiment of the invention provides a kind of method of handover network standard, and as shown in Figure 4, the present embodiment has comprised terminal equipment, base station and net side server.Wherein, data exchange process comprises:
Step 401, described terminal equipment send to the base station and adhere to the attach signaling.
Wherein, the attach signaling has been specified the network formats that the PS territory of terminal equipment need to switch to.
Step 402, described base station are forwarded to described net side server with the attach signaling that terminal equipment sends.
Step 403, described net side server obtain described terminal equipment in the IP address of former network formats, and PS territory switching notice is sent to described base station.
Step 404, described base station are forwarded to described terminal equipment with described PS territory switching notice.
Step 405, under the prerequisite of the PS of described terminal equipment not suspension of territory, described net side server omits the step of the PS territory of described terminal equipment being separated detach from communication network simultaneously with described terminal, and the handover network standard.
Wherein, terminal equipment omits detach is separated in the PS territory of terminal equipment from communication network step, and directly the PS territory of terminal equipment is switched to the specified network formats of attach signaling.Net side server omits the step of detach is separated in the PS territory of terminal equipment from communication network, in the situation that do not change the IP address PS territory of terminal equipment is switched to the specified network formats of attach signaling.
The method of the handover network standard that the embodiment of the invention provides, terminal equipment can be switched to new network formats and be the IP address of new network formats with the IP address configuration of former network formats, namely in the process of handover network standard, the net side does not need to redistribute the IP address for terminal equipment.Compared with prior art, the embodiment of the invention can guarantee that the IP address that terminal equipment distributes in the process of handover network standard is constant, so that do not need interrupting service in the process of handover network standard, experiences thereby improve the user.
Embodiment 4
The embodiment of the invention provides a kind of net side server, shown in Fig. 5 a, comprising:
Wherein, the attach signaling has been specified the network formats that the PS territory of described terminal equipment need to switch to.
Optionally, described signaling receiver module 51 also is used for shielding the detach signaling corresponding with described attach signaling when the PS territory with described terminal equipment switches to the specified network formats of described attach signaling.
Optionally, shown in Fig. 5 b, described handover module 53 comprises:
Optionally, described information acquisition unit 531 also is used for obtaining the log-on message of described terminal equipment on described former network formats from the serving GPRS support node of described former network formats.
Registering unit 532 is used for according to described log-on message the PS territory of described terminal equipment being registered at the specified network formats of described attach signaling.
The net side server that the present embodiment provides, can terminal equipment be switched to new network formats and be the IP address of new network formats with the IP address configuration of former network formats by the address configuration module by handover module, namely in the process of handover network standard, the net side does not need to redistribute the IP address for terminal equipment.Compared with prior art, the present invention can guarantee that the IP address that terminal equipment distributes in the process of handover network standard is constant, so that do not need interrupting service in the process of handover network standard, experiences thereby improve the user.
Embodiment 5
The embodiment of the invention provides a kind of terminal equipment, shown in Fig. 6 a, comprising:
Receiver module 61 is used for adhering to attach signaling, the network formats that described attach signaling has specified the PS territory of described terminal equipment to switch to the communication network transmission.
Sending module 62 is used for receiving the PS territory switching notice from communication network.
Respond module 63 is used in response to described PS territory switching notice, omits detach is separated in the PS territory of described terminal equipment from communication network step, and directly the PS territory with described terminal equipment switches to the specified network formats of described attach signaling.
Optionally, shown in Fig. 6 b, described respond module 63 comprises:
Switch unit 631 is used in described PS territory log-on message safe context and the session management context of described terminal equipment on former network formats being switched to the specified network formats of described attach signaling.
The terminal equipment that the present embodiment provides, can terminal equipment be switched to new network formats and be the IP address of new network formats with the IP address configuration of former network formats by the address configuration module by handover module, namely in the process of handover network standard, the net side does not need to redistribute the IP address for terminal equipment.Compared with prior art, the present invention can guarantee that the IP address that terminal equipment distributes in the process of handover network standard is constant, so that do not need interrupting service in the process of handover network standard, experiences thereby improve the user.
Embodiment 6
The embodiment of the invention provides the system of the handover network standard in a kind of packet switching PS territory, as shown in Figure 7, comprising:
Terminal equipment 71 generates the attach signaling of the network formats that will switch to, and described attach signaling is sent to net side server;
The attach signaling that net side server 72 receiving terminal apparatus send, and obtain described terminal equipment in the IP address of former network formats, afterwards described terminal equipment being switched to the specified network formats of described attach signaling, is that described terminal equipment is in the IP address of the specified network formats of described attach signaling at last with described IP address setting.
Need to prove, in the practical application of the present embodiment, net side server 72 can carry out information interaction by Wireless Telecom Equipment and terminal equipment 71, and the Wireless Telecom Equipment here can be base station 73.
Further, in the system of the described handover network standard of the present embodiment, net side server 72 can also be in the process of whole handover network standard, the detach signaling corresponding with described attach signaling that shield terminal equipment 71 sends.
Further, terminal equipment 71 can only send the attach signalings and no longer send the detach signaling corresponding with described attach signaling to net side server 72.
The system of the handover network standard that the embodiment of the invention provides, terminal equipment can be switched to new network formats and be the IP address of new network formats with the IP address configuration of former network formats, namely in the process of handover network standard, the net side does not need to redistribute the IP address for terminal equipment.Compared with prior art, the present invention can guarantee that the IP address that terminal equipment distributes in the process of handover network standard is constant, so that do not need interrupting service in the process of handover network standard, experiences thereby improve the user.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and identical similar part is mutually referring to getting final product between each embodiment, and each embodiment stresses is difference with other embodiment.Especially, for device and apparatus embodiments, because its basic simlarity is in embodiment of the method, so describe fairly simplely, relevant part gets final product referring to the part explanation of embodiment of the method.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in above-described embodiment method, to come the relevant hardware of instruction to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process such as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
The above; be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (12)
1. the method for the handover network standard in a packet switching PS territory is characterized in that, comprising:
Receiving terminal apparatus sends adheres to attach signaling, the network formats that described attach signaling has specified the PS territory of described terminal equipment to switch to;
Obtain described terminal equipment in the IP address of former network formats;
Omission separates the step of detach with the PS territory of described terminal equipment from communication network, in the situation that do not change described IP address the PS territory of described terminal equipment is switched to the specified network formats of described attach signaling.
2. method according to claim 1 is characterized in that, described PS territory with described terminal equipment switches to the specified network formats of described attach signaling and also comprises:
Obtain the log-on message of described terminal equipment on described former network formats, described log-on message comprises safe context, session management context, mobile management context;
According to described log-on message the PS territory of described terminal equipment is registered at the specified network formats of described attach signaling.
3. method according to claim 2, it is characterized in that, describedly obtain described terminal equipment and comprise at the log-on message on the described former network formats: obtain the log-on message of described terminal equipment on described former network formats from the serving GPRS support node of described former network formats.
4. the described method of any one in 4 according to claim 1, it is characterized in that, when the PS territory with described terminal equipment switched to the specified network formats of described attach signaling, described method also comprised: shield the detach signaling corresponding with described attach signaling.
5. a net side server is characterized in that, comprising:
The signaling receiver module, what be used for that receiving terminal apparatus sends adheres to attach signaling, the network formats that described attach signaling has specified the PS territory of described terminal equipment to switch to;
Address acquisition module is used for obtaining described terminal equipment in the IP address of former network formats;
Handover module be used for to omit the step of detach is separated in the PS territory of described terminal equipment from communication network, in the situation that do not change described IP address the PS territory of described terminal equipment is switched to the specified network formats of described attach signaling.
6. net side server according to claim 5 is characterized in that, described handover module comprises:
Information acquisition unit is used for obtaining the log-on message of described terminal equipment on described former network formats, and described log-on message comprises safe context, session management context, mobile management context;
Registering unit is used for according to described log-on message the PS territory of described terminal equipment being registered at the specified network formats of described attach signaling.
7. net side server according to claim 6 is characterized in that, described information acquisition unit also is used for obtaining the log-on message of described terminal equipment on described former network formats from the serving GPRS support node of described former network formats.
8. the described net side of any one server in 7 according to claim 5, it is characterized in that, described signaling receiver module, also be used for when the PS territory with described terminal equipment switches to the specified network formats of described attach signaling, shielding the detach signaling corresponding with described attach signaling.
9. the method for the handover network standard in a packet switching PS territory is characterized in that, comprising:
Terminal equipment sends to communication network and adheres to attach signaling, the network formats that described attach signaling has specified the PS territory of described terminal equipment to switch to;
Reception is from the PS territory switching notice of communication network;
In response to described PS territory switching notice, omit detach is separated in the PS territory of described terminal equipment from communication network step, directly the PS territory with described terminal equipment switches to the specified network formats of described attach signaling.
10. method according to claim 9, it is characterized in that, described PS territory with described terminal equipment switches to the specified network formats of described attach signaling and comprises: in described PS territory log-on message safe context and the session management context of described terminal equipment on former network formats switched to the specified network formats of described attach signaling.
11. a terminal equipment is characterized in that, comprising:
Receiver module is used for adhering to attach signaling, the network formats that described attach signaling has specified the PS territory of described terminal equipment to switch to the communication network transmission;
Sending module is used for receiving the PS territory switching notice from communication network;
Respond module is used in response to described PS territory switching notice, omits detach is separated in the PS territory of described terminal equipment from communication network step, and directly the PS territory with described terminal equipment switches to the specified network formats of described attach signaling.
12. terminal equipment according to claim 11 is characterized in that, described respond module comprises:
Switch unit is used in described PS territory log-on message safe context and the session management context of described terminal equipment on former network formats being switched to the specified network formats of described attach signaling.
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| CN109257785A (en) * | 2018-11-26 | 2019-01-22 | 努比亚技术有限公司 | Network formats switching method, terminal and computer readable storage medium |
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