CN103813294B - State information searching method and system, Interworking gateway - Google Patents
State information searching method and system, Interworking gateway Download PDFInfo
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- CN103813294B CN103813294B CN201210445935.1A CN201210445935A CN103813294B CN 103813294 B CN103813294 B CN 103813294B CN 201210445935 A CN201210445935 A CN 201210445935A CN 103813294 B CN103813294 B CN 103813294B
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Abstract
The present invention discloses a kind of state information searching method and system, Interworking gateway.Wherein in state information searching method, the inquiry request information sent by receiving server, inquiry request information is sent to the state controlling equipment associated with the identification information of the user terminal belonging network, so that state controlling equipment inquires about the status information of the user terminal, the inquiry response information that reception state control device is sent, wherein inquiry response information includes the status information of the user terminal, and the inquiry response information is sent to the server.Since inquiry request information is sent to corresponding state controlling equipment by the identification information according to user terminal belonging network, consequently facilitating in server lookup heterogeneous networks M2M terminals status information, it is achieved that the unified query of the M2M SOT state of termination, avoid at the same time short message delay, it is higher to network resource requirements the defects of, improve the user experience of M2M business.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of state information searching method and system, Interworking gateway.
Background technology
With M2M（Machine to Machine, machine to machine）The development of business and next generation mobile communication, is based on
The M2M service applications of mobile network's carrying are more extensive.At this stage, Europe and the U.S. using more M2M using include ammeter,
The intelligent meter data recording relevant with domestic applications such as gas meter, flow meter, water meter, safety monitoring, mechanical service and repair business.In China, M2M
In terms of monitoring is concentrated mainly on, including vehicle location monitoring, elevator operation situation monitor, agricultural greenhouse monitors, safety is raw
Monitoring, environmental monitoring etc. are produced, while also has the application of automatic vending etc..
Either meter reading class business, detection class business or automatic vending class business, these business have a common spy
Property, it is exactly that service provider needs actively to be contacted with M2M terminals, it is desirable to which terminal uploads some data or more on new terminal
Some data.Such as the count by time sharing function in intelligent meter data recording business, it is exactly the peak according to user power utilization and low ebb, according to
The different periods uses different prices.For this business feature, grid company may need to search out electricity by network
Meter terminal, according to the period come the pricing information of more new terminal.In addition, the business for monitoring class, user may be specific
In the case of it should be understood that the information of monitored terminal.
M2M service applications based on mobile network's carrying are extremely wide, vehicle location monitoring, elevator for M2M applications
Operation situation monitoring, safety production monitoring etc. need to carry out real-time query and the activation of User Status from network side.It is existing
Implementation realized typically by short message, but on condition that MSISDN（Mobile Station Integrated
Service Digital Network Number, mobile station comprehensive service digital net number）Resource it is more sufficient；It is and right
For some applications（Such as remote meter reading）, message search or activation have the time delay of 30s or so, this popularization to business is unfavorable
's.In addition, LTE（Long Term Evolution, Long Term Evolution）Define the initial framework of M2M inquiries and activation, but CDMA
（Code Division Multiple Access, CDMA）Also without similar scheme.
In conclusion due in existing scheme presence cannot provide multiple networks fusion it is unified M2M inquiry and message search
In the presence of delay, it is higher to network resource requirements the defects of, therefore reduce the user experience of M2M business.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of state information searching method and system, Interworking gateway.Pass through
Interworking gateway is set between server and state controlling equipment, consequently facilitating M2M terminals in server lookup heterogeneous networks
Status information, it is achieved thereby that the unified query of the M2M SOT state of termination, while avoid short message delay, to network resource requirements compared with
The defects of high, improve the user experience of M2M business.
According to an aspect of the present invention, there is provided a kind of state information searching method, including：
The inquiry request information that reception server is sent, wherein identification information of the inquiry request information including user terminal,
And the identification information of user terminal belonging network；
Inquiry request information is sent to the state associated with the identification information of the user terminal belonging network to control
Equipment, so that state controlling equipment inquires about the status information of the user terminal；
The inquiry response information that reception state control device is sent, wherein inquiry response information include the user terminal
Status information；
The inquiry response information is sent to the server.
According to another aspect of the present invention, there is provided a kind of Interworking gateway, including：
Receiving unit, for receiving the inquiry request information of server transmission, it is whole to include user for wherein inquiry request information
The identification information at end and the identification information of user terminal belonging network；
Interworking unit is related to the identification information of the user terminal belonging network for being sent to inquiry request information
The state controlling equipment of connection, so that state controlling equipment inquires about the status information of the user terminal；Reception state control device
The inquiry response information of transmission, wherein inquiry response information include the status information of the user terminal；
Transmitting element, for the inquiry response information to be sent to the server.
According to another aspect of the invention, there is provided a kind of state information searching system, including server, Interworking gateway, extremely
A few state controlling equipment, wherein：
Server, for sending inquiry request information to Interworking gateway, wherein inquiry request information includes user terminal
The identification information of identification information and user terminal belonging network；Receive the inquiry response information that Interworking gateway is sent；
Interworking gateway, for receive server send inquiry request information when, by inquiry request information be sent to
The state controlling equipment that the identification information of the user terminal belonging network is associated；Receive and the user terminal belonging network
The inquiry response information that sends of the state controlling equipment that is associated of identification information, the inquiry response information is sent to described
Server；
The state controlling equipment associated with the identification information of the user terminal belonging network, for inquiring about the user
The status information of terminal, and inquiry response information is sent to Interworking gateway, wherein inquiry response information includes the user terminal
Status information.
The inquiry request information that the present invention is sent by receiving server, wherein inquiry request information include user terminal
The identification information of identification information and user terminal belonging network, inquiry request information is sent to and the user terminal institute
Belong to the state controlling equipment that the identification information of network is associated, so that state controlling equipment inquires about the state letter of the user terminal
Breath, the inquiry response information that reception state control device is sent, wherein inquiry response information include the state of the user terminal
Information, the server is sent to by the inquiry response information.Due to being incited somebody to action according to the identification information of user terminal belonging network
Inquiry request information is sent to corresponding state controlling equipment, consequently facilitating M2M terminals in server lookup heterogeneous networks
Status information, it is achieved that the unified query of the M2M SOT state of termination, while avoid short message delay, to network resource requirements compared with
The defects of high, improve the user experience of M2M business.
Brief description of the drawings
Fig. 1 is the schematic diagram of state information searching method one embodiment of the present invention.
Fig. 2 is the schematic diagram that M2M terminals of the present invention activate one embodiment.
Fig. 3 is the schematic diagram of Interworking gateway one embodiment of the present invention.
Fig. 4 is the schematic diagram of state information searching system one embodiment of the present invention.
Fig. 5 is the network diagram of state information searching system of the present invention.
Fig. 6 is state information searching of the present invention and the schematic diagram of activation.
Embodiment
The present invention is described more fully with reference to the accompanying drawings, wherein illustrating the exemplary embodiment of the present invention.
Fig. 1 is the schematic diagram of state information searching method one embodiment of the present invention.As shown in Figure 1, the shape of the present embodiment
State information query method step is as follows：
Step 101, the inquiry request information that server is sent is received, wherein inquiry request information includes the mark of user terminal
Know the identification information of information and user terminal belonging network.
Step 102, inquiry request information is sent to associated with the identification information of the user terminal belonging network
State controlling equipment, so that state controlling equipment inquires about the status information of the user terminal.
Step 103, the inquiry response information that reception state control device is sent, wherein inquiry response information include the use
The status information of family terminal.
Step 104, the inquiry response information is sent to the server.
The state information searching method provided based on the above embodiment of the present invention, the inquiry sent by receiving server please
Information is sought, wherein inquiry request information includes the identification information of user terminal and the identification information of user terminal belonging network,
Inquiry request information is sent to the state controlling equipment associated with the identification information of the user terminal belonging network, so as to
The status information of the state controlling equipment inquiry user terminal, the inquiry response information that reception state control device is sent, its
Middle inquiry response information includes the status information of the user terminal, and the inquiry response information is sent to the server.
Since inquiry request information is sent to corresponding state controlling equipment by the identification information according to user terminal belonging network, from
And it is easy to the status information of M2M terminals in server lookup heterogeneous networks, it is achieved that the unified query of the M2M SOT state of termination,
Avoid at the same time short message delay, it is higher to network resource requirements the defects of, improve the user experience of M2M business.
Preferably, the identification information of user terminal belonging network includes LTE network identification information or cdma network mark letter
Breath.The state controlling equipment associated with LTE network identification information is MME（Mobility Management Entity, it is mobile
Property management entity）Unit, the state controlling equipment associated with cdma network identification information are PDSN（Packet Data
Serving Node, packet data serving node）Unit.
Thus, server can realize the unified query of LTE network and cdma network.
Fig. 2 is the schematic diagram that M2M terminals of the present invention activate one embodiment.Wherein in the embodiment shown in fig. 1, servicing
After device obtains inquiry response information, activation solicited message can be sent to M2M terminals to activate M2M terminals.In fig. 2, this implementation
The M2M terminal Activiation method steps of example are as follows：
Step 201, the activation solicited message that server is sent is received, wherein activation solicited message includes the mark of user terminal
Know the identification information of information and user terminal belonging network.
Step 202, activation solicited message is sent to associated with the identification information of the user terminal belonging network
State controlling equipment, so that state controlling equipment is sent to the user terminal by control information is activated, so as to activate the use
Family terminal.
Step 203, the activation response message that reception state control device is sent, wherein state controlling equipment is receiving
When being used to represent to activate successful confirmation message of user terminal transmission is stated, sends activation response message.
Step 204, the activation response message is sent to the server.
Fig. 3 is the schematic diagram of Interworking gateway one embodiment of the present invention.As shown in figure 3, Interworking gateway includes receiving unit
301st, interworking unit 302 and transmitting element 303.Wherein：
Receiving unit 301, for receiving the inquiry request information of server transmission, wherein inquiry request information includes user
The identification information of terminal and the identification information of user terminal belonging network.
Interworking unit 302, for inquiry request information to be sent to the identification information with the user terminal belonging network
Associated state controlling equipment, so that state controlling equipment inquires about the status information of the user terminal；Reception state controls
The inquiry response information that equipment is sent, wherein inquiry response information include the status information of the user terminal.
Transmitting element 303, for the inquiry response information to be sent to the server.
The Interworking gateway provided based on the above embodiment of the present invention, the inquiry request information sent by receiving server,
Wherein inquiry request information includes the identification information of user terminal and the identification information of user terminal belonging network, will inquire about
Solicited message is sent to the state controlling equipment associated with the identification information of the user terminal belonging network, so as to state control
Control equipment inquires about the status information of the user terminal, the inquiry response information that reception state control device is sent, wherein inquiring about
Response message includes the status information of the user terminal, and the inquiry response information is sent to the server.Due to root
Inquiry request information is sent to corresponding state controlling equipment according to the identification information of user terminal belonging network, consequently facilitating
The status information of M2M terminals in server lookup heterogeneous networks, it is achieved that the unified query of the M2M SOT state of termination, keeps away at the same time
Exempted from short message delay, it is higher to network resource requirements the defects of, improve the user experience of M2M business.
Preferably, the identification information of user terminal belonging network includes Long Term Evolution LTE network identification information or code division is more
Location cdma network identification information.The state controlling equipment associated with LTE network identification information is mono- for mobility management entity MME
Member, the state controlling equipment associated with cdma network identification information are packet data serving node PDSN units.
Preferably, receiving unit 301 is additionally operable to receive the activation solicited message that server is sent, wherein activating solicited message
The identification information of identification information and user terminal belonging network including user terminal.
Interworking unit 302 is additionally operable to for activation solicited message to be sent to the identification information with the user terminal belonging network
Associated state controlling equipment, so that state controlling equipment is sent to the user terminal by control information is activated, so as to swash
The user terminal living；The activation response message that reception state control device is sent, wherein state controlling equipment is receiving
When being used to represent to activate successful confirmation message of user terminal transmission is stated, sends activation response message.
Transmitting element 303 is additionally operable to the activation response message being sent to the server.
So as to which server can be handled the M2M terminals in heterogeneous networks into line activating.
Fig. 4 is the schematic diagram of state information searching system one embodiment of the present invention.As shown in figure 4, state information searching
System includes server 401, Interworking gateway 402 and at least one state controlling equipment 403.Wherein：
Server 401, for sending inquiry request information to Interworking gateway 402, wherein inquiry request information includes user
The identification information of terminal and the identification information of user terminal belonging network；Receive the inquiry response letter that Interworking gateway 402 is sent
Breath.
Interworking gateway 402, for when receiving the inquiry request information that server 401 is sent, inquiry request information to be sent out
Give the state controlling equipment 403 associated with the identification information of the user terminal belonging network；Receive whole with the user
The inquiry response information that the state controlling equipment 403 that the identification information of end belonging network is associated is sent, by the inquiry response
Information is sent to the server 401.
The state controlling equipment 403 associated with the identification information of the user terminal belonging network, it is described for inquiring about
The status information of user terminal, and inquiry response information is sent to Interworking gateway 402, wherein inquiry response information includes the use
The status information of family terminal.
The state information searching system provided based on the above embodiment of the present invention, is received server by Interworking gateway and sent
Inquiry request information, the wherein identification information of inquiry request information including user terminal and user terminal belonging network
Identification information, is sent to the state associated with the identification information of the user terminal belonging network by inquiry request information and controls
Equipment, so that state controlling equipment inquires about the status information of the user terminal, the inquiry that reception state control device is sent is rung
Information is answered, wherein inquiry response information includes the status information of the user terminal, and the inquiry response information is sent to institute
State server.Since inquiry request information is sent to corresponding state control by the identification information according to user terminal belonging network
Control equipment, consequently facilitating in server lookup heterogeneous networks M2M terminals status information, it is achieved that the M2M SOT state of termination
Unified query, at the same avoid short message delay, it is higher to network resource requirements the defects of, improve the user experience of M2M business.
Preferably, the identification information of user terminal belonging network includes Long Term Evolution LTE network identification information or code division is more
Location cdma network identification information.The state controlling equipment associated with LTE network identification information is mono- for mobility management entity MME
Member, the state controlling equipment associated with cdma network identification information are packet data serving node PDSN units.
Preferably, Interworking gateway 402 is additionally operable to receive the activation solicited message that server 401 is sent, wherein activation request
Information includes the identification information of user terminal and the identification information of user terminal belonging network；Activation solicited message is sent
Give the state controlling equipment 403 that the identification information of the user terminal belonging network is associated；Reception state control device 403
The activation response message of transmission, the server 401 is sent to by activation response message.
The state controlling equipment 403 associated with the identification information of the user terminal belonging network, is additionally operable to activate
Control information is sent to the user terminal, so as to activate the user terminal；Receiving the use of the user terminal transmission
When representing to activate successful confirmation message, activation response message is sent to Interworking gateway 402.
Preferably, Interworking gateway 402 is the Interworking gateway that any embodiment is related in Fig. 3.
Fig. 5 is the network diagram of state information searching system of the present invention.For brevity, two kinds be illustrate only here
The situation of user terminal, i.e. LTE M2M terminals and CDMA M2M terminals, and corresponding PDSN and MME.Here, can also
Interworking gateway is known as MTC-IWF（Machine Type Communication Interworking Function, machine type
Type communication intercommunication）Unit, in the present invention, on the premise of original wireless network, core network interface and flow is not changed, increases newly mutual
Logical gateway, serve as it is all towards M2M terminal inquiries and the processing net element of activation, unified query so as to fulfill the M2M SOT state of termination,
And the unified activation of the M2M SOT state of termination, solve and can not be looked into real time in the case where vehicle location monitoring, electric power remote surpass the scenes such as table
See the online situation of vehicle, short message activates the problems such as time delay is larger and deficiency, effectively improves the user experience of M2M business.
Fig. 6 is state information searching of the present invention and the schematic diagram of activation.For brevity, only describe and pass through here
The situation of PDSN and CDMA M2M terminal interactions.In fact, with interacting for LTE M2M terminals it is identical by MME.
Step 601, server sends inquiry request information to Interworking gateway, and wherein inquiry request information includes user terminal
Identification information and user terminal belonging network identification information.In this embodiment, the mark of user terminal belonging network
Information is cdma network identification information.
Step 602, inquiry request information is sent to by Interworking gateway according to the identification information of user terminal belonging network
PDSN。
Step 603, PDSN inquires about the status information of the user's terminal.
Step 604, inquiry response information is sent to Interworking gateway by PDSN, and wherein inquiry response information includes the user
The status information of terminal.
Step 605, inquiry response information is sent to server by Interworking gateway.
Step 606, server sends activation solicited message after inquiry response information is received to Interworking gateway, wherein
Activating solicited message includes the identification information of user terminal and the identification information of user terminal belonging network.In the embodiment
In, the identification information of user terminal belonging network is cdma network identification information.
Step 607, Interworking gateway is sent to PDSN by solicited message is activated.
Step 608, PDSN sends activation control information to corresponding user terminal.
Preferably, PDSN sends PING message to the corresponding IP address of user terminal.
Step 609, user terminal sends activation control response message to PDSN.
Step 610, PDSN sends activation response message to Interworking gateway.
Step 611, Interworking gateway is sent to PDSN by response message is activated.
So as to be handled by states above information inquiry and activation, consequently facilitating M2M in server lookup heterogeneous networks
The status information of terminal, it is achieved that the unified query of the M2M SOT state of termination, while avoid short message delay, to Internet resources
The defects of more demanding, improve the user experience of M2M business.
Description of the invention provides for the sake of example and description, and is not exhaustively or by the present invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Select and retouch
State embodiment and be to more preferably illustrate the principle of the present invention and practical application, and those of ordinary skill in the art is managed
The solution present invention is so as to design the various embodiments with various modifications suitable for special-purpose.
Claims (10)
- A kind of 1. state information searching method, it is characterised in that including：Receive the inquiry request information that server is sent, wherein the identification information of inquiry request information including user terminal and The identification information of user terminal belonging network；Inquiry request information is sent to the state controlling equipment associated with the identification information of the user terminal belonging network, So that state controlling equipment inquires about the status information of the user terminal；The inquiry response information that reception state control device is sent, wherein inquiry response information include the state of the user terminal Information；The inquiry response information is sent to the server, so that the server is to the shape of user terminal in heterogeneous networks State information carries out unified query；Receive the activation solicited message that server is sent, wherein the identification information of activation solicited message including user terminal and The identification information of user terminal belonging network；Activation solicited message is sent to the state controlling equipment associated with the identification information of the user terminal belonging network, So that state controlling equipment is sent to the user terminal by control information is activated, so as to activate the user terminal.
- 2. according to the method described in claim 1, it is characterized in that, further include：The activation response message that reception state control device is sent, wherein state controlling equipment are receiving the user terminal hair Send be used for represent activate successful confirmation message when, send activation response message；The activation response message is sent to the server.
- 3. method according to claim 1 or 2, it is characterised in that：The identification information of user terminal belonging network includes Long Term Evolution LTE network identification information or Code Division Multiple Access (CDMA) network mark Know information；The state controlling equipment associated with LTE network identification information is mobility management entity MME units；The state controlling equipment associated with cdma network identification information is packet data serving node PDSN units.
- A kind of 4. Interworking gateway, it is characterised in that including：Receiving unit, for receiving the inquiry request information of server transmission, wherein inquiry request information includes user terminal The identification information of identification information and user terminal belonging network；It is additionally operable to receive the activation solicited message that server is sent, its Middle activation solicited message includes the identification information of user terminal and the identification information of user terminal belonging network；Interworking unit, it is associated with the identification information of the user terminal belonging network for being sent to inquiry request information State controlling equipment, so that state controlling equipment inquires about the status information of the user terminal；Reception state control device is sent Inquiry response information, wherein inquiry response information includes the status information of the user terminal；It is additionally operable to activation request letter Breath is sent to the state controlling equipment associated with the identification information of the user terminal belonging network, so as to state controlling equipment Activation control information is sent to the user terminal, so as to activate the user terminal；Transmitting element, for the inquiry response information to be sent to the server, so that the server is to heterogeneous networks The status information of middle user terminal carries out unified query.
- 5. Interworking gateway according to claim 4, it is characterised in that：Interworking unit is additionally operable to the activation response message of reception state control device transmission, and wherein state controlling equipment is receiving When what the user terminal was sent is used for expression activation successful confirmation message, activation response message is sent；Transmitting element is additionally operable to the activation response message being sent to the server.
- 6. Interworking gateway according to claim 4 or 5, it is characterised in that：The identification information of user terminal belonging network includes Long Term Evolution LTE network identification information or Code Division Multiple Access (CDMA) network mark Know information；The state controlling equipment associated with LTE network identification information is mobility management entity MME units；The state controlling equipment associated with cdma network identification information is packet data serving node PDSN units.
- 7. a kind of state information searching system, it is characterised in that set including server, Interworking gateway, the control of at least one state It is standby, wherein：Server, for sending inquiry request information to Interworking gateway, wherein inquiry request information includes the mark of user terminal The identification information of information and user terminal belonging network；Receive the inquiry response information that Interworking gateway is sent；Interworking gateway, for receive server send inquiry request information when, by inquiry request information be sent to it is described The state controlling equipment that the identification information of user terminal belonging network is associated；Receive the mark with the user terminal belonging network The inquiry response information that the state controlling equipment that knowing information is associated is sent, the service is sent to by the inquiry response information Device, so that the server carries out unified query to the status information of user terminal in heterogeneous networks；It is additionally operable to receive server The activation solicited message of transmission, wherein activation solicited message includes the identification information and the affiliated net of user terminal of user terminal The identification information of network, the state associated with the identification information of the user terminal belonging network is sent to by activation solicited message Control device；The state controlling equipment associated with the identification information of the user terminal belonging network, for inquiring about the user terminal Status information, and send inquiry response information to Interworking gateway, wherein inquiry response information includes the shape of the user terminal State information；It is additionally operable to activation control information being sent to the user terminal, so as to activate the user terminal.
- 8. system according to claim 7, it is characterised in that：Interworking gateway is additionally operable to the activation response message of reception state control device transmission, activation response message is sent to described Server；The state controlling equipment associated with the identification information of the user terminal belonging network is additionally operable to receiving the use When what family terminal was sent is used for expression activation successful confirmation message, activation response message is sent to Interworking gateway.
- 9. the system according to claim 7 or 8, it is characterised in that：The identification information of user terminal belonging network includes Long Term Evolution LTE network identification information or Code Division Multiple Access (CDMA) network mark Know information；The state controlling equipment associated with LTE network identification information is mobility management entity MME units；The state controlling equipment associated with cdma network identification information is packet data serving node PDSN units.
- 10. system according to claim 7, it is characterised in that：The Interworking gateway that Interworking gateway is related to for any one of claim 4-6.
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| CN201210445935.1A CN103813294B (en) | 2012-11-09 | 2012-11-09 | State information searching method and system, Interworking gateway |
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|---|---|---|---|
| CN201210445935.1A CN103813294B (en) | 2012-11-09 | 2012-11-09 | State information searching method and system, Interworking gateway |
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| CN103813294A CN103813294A (en) | 2014-05-21 |
| CN103813294B true CN103813294B (en) | 2018-05-11 |
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| CN201210445935.1A Active CN103813294B (en) | 2012-11-09 | 2012-11-09 | State information searching method and system, Interworking gateway |
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| CN109560942B (en) * | 2017-09-25 | 2022-06-03 | 中国移动通信有限公司研究院 | Network validation parameter query method, equipment and computer readable storage medium |
| CN110955465A (en) * | 2019-12-16 | 2020-04-03 | 宁波奥克斯电气股份有限公司 | Equipment state acquisition method |
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| CN102056140A (en) * | 2009-11-06 | 2011-05-11 | 中兴通讯股份有限公司 | Method and system for acquiring machine type communication terminal information |
| CN102264036A (en) * | 2010-05-28 | 2011-11-30 | 中兴通讯股份有限公司 | Offline terminal activating method and system, and machine type communication terminal |
| CN102612021A (en) * | 2011-01-21 | 2012-07-25 | 中兴通讯股份有限公司 | Terminal state obtaining method as well as method and system for activating terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997898B (en) * | 2009-08-19 | 2013-01-23 | 华为技术有限公司 | Method and system for M2M (Machine to Machine) application server to send data packet |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102056140A (en) * | 2009-11-06 | 2011-05-11 | 中兴通讯股份有限公司 | Method and system for acquiring machine type communication terminal information |
| CN102264036A (en) * | 2010-05-28 | 2011-11-30 | 中兴通讯股份有限公司 | Offline terminal activating method and system, and machine type communication terminal |
| CN102612021A (en) * | 2011-01-21 | 2012-07-25 | 中兴通讯股份有限公司 | Terminal state obtaining method as well as method and system for activating terminal |
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