CN103108291B - Note transmission method, mobile switching centre and mobile communication system - Google Patents
Note transmission method, mobile switching centre and mobile communication system Download PDFInfo
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- CN103108291B CN103108291B CN201110360008.5A CN201110360008A CN103108291B CN 103108291 B CN103108291 B CN 103108291B CN 201110360008 A CN201110360008 A CN 201110360008A CN 103108291 B CN103108291 B CN 103108291B
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Abstract
The invention discloses a kind of note transmission method, mobile switching centre and mobile communication system, relate to moving communicating field, mobile switching centre is the authenticating result that mobile terminal preserves to mobile terminal when setting up Traffic Channel; When mobile terminal by Traffic Channel send note time, mobile switching centre according to authenticating result to short message authentication.Note transmission method disclosed by the invention, mobile switching centre and mobile communication system preserve authenticating result after to mobile terminal authentication, carry out authentication according to the authenticating result of preserving to the note that mobile terminal in by journey sends, the Traffic Channel that can prevent disabled user from passing through to set up sends note.
Description
Technical field
The present invention relates to moving communicating field, particularly relate to a kind of note transmission method, mobile switching centre and mobile communication system.
Background technology
Mobile terminal sends and sets up business request information to mobile switching centre, and mobile switching centre receives this business request information, and to mobile terminal authentication, if mobile terminal is by authentication, mobile switching centre is to mobile terminal distribution service channel.Mobile network circuit domain sets up Traffic Channel, authentication distribution service channel, and mobile terminal can carry out sending note in communication process.Typically when setting up the business such as voice, note, data, need to carry out authentication, and the method for its authentication is identical, but after Traffic Channel has been set up, to the content that Traffic Channel carries, such as note, does not carry out authentication.
Authentication calling is exempted from current existence two kinds, and one does not carry out authentication to this call setup Traffic Channel; Even if another kind is this calling failed authentication still set up Traffic Channel.Because the authenticating result setting up Traffic Channel does not get rid of the possibility having failed authentication, the note sent in communication process, be do not carry out authentication to the note carried in the Traffic Channel set up according to present case, disabled user likely utilizes this leak to send note.
Summary of the invention
In view of this, the technical problem that the present invention will solve is to provide a kind of note transmission method, and the Traffic Channel that can prevent disabled user from passing through to set up sends note.
A kind of note transmission method, described mobile switching centre is the authenticating result that mobile terminal preserves to described mobile terminal when setting up Traffic Channel; When described mobile terminal sends note by described Traffic Channel, described mobile switching centre according to described authenticating result to described short message authentication.
According to one embodiment of present invention, described when described mobile terminal sends note by described Traffic Channel, described mobile switching centre comprises described short message authentication according to described authenticating result: when described mobile terminal in call by described Traffic Channel transmission note time, described mobile switching centre according to described authenticating result to described short message authentication.
According to one embodiment of present invention, described mobile switching centre saves as when mobile terminal sets up Traffic Channel and comprises the authenticating result of described mobile terminal: what described mobile switching centre mobile terminal receive sent sets up traffic channel request; Described mobile switching centre is to described mobile terminal authentication and preserve described authenticating result; Described Mobility Center is described mobile terminal distribution service channel.
According to an embodiment of the inventive method, described authenticating result comprises: success, failure and the unknown; Wherein, described successfully represent described mobile switching centre to described set up traffic channel request authentication success; Describedly unsuccessfully represent that described mobile switching centre sets up traffic channel request failed authentication to described; Described the unknown represents that described mobile switching centre does not carry out authentication to described traffic channel request of setting up.
According to an embodiment of the inventive method, described mobile switching centre comprises described short message authentication according to described authenticating result: if described authenticating result is successfully, described mobile switching centre forwards described note to sms center; If described authenticating result is failed or unknown, described note is tackled by described mobile switching centre.
According to an embodiment of the inventive method, the traffic channel request of setting up that described mobile switching centre mobile terminal receive sends comprises: described mobile terminal sends connection management CM business request information to described mobile switching centre, and request is set up SCCP layer and connected.
According to an embodiment of the inventive method, described mobile switching centre is to described mobile terminal authentication and preserve authenticating result and comprise for described mobile terminal distribution service channel: after described mobile switching centre receives described CM business request information, sends authentication request message to described mobile terminal; Wherein, a random number is comprised in described authentication request message; Described mobile switching centre uses user key and described random number to produce answer number A through authentication arithmetic, and is stored in vlr by described answer number A; Described mobile terminal returns authentication response message to described mobile switching centre; Wherein, the answer number B that described mobile terminal uses described user key and described random number to produce through authentication arithmetic is comprised in described authentication response message; Described mobile switching centre more described answer number A and answer number B, if identical, described authenticating result is successfully, and is described mobile terminal distribution service channel; If difference, judge that whether described mobile terminal is for exempting from authentication user, if exempt from authentication calling, described authenticating result is unknown and is described mobile terminal distribution service channel, if not exempt from authentication calling, described authenticating result is unsuccessfully; Described mobile switching centre preserves described authenticating result.
Method of the present invention preserves authenticating result by mobile switching centre after to mobile terminal authentication, mobile switching centre carries out authentication according to the authenticating result of preserving to the note that mobile terminal in communication process sends, and the Traffic Channel that can prevent disabled user from passing through to set up sends note.
The technical problem that the present invention will solve is to provide a kind of mobile switching centre, and the Traffic Channel that can prevent disabled user from passing through to set up sends note.
A kind of moving exchanging center MSC, comprising: authenticating result memory cell, for preserving the authenticating result to described mobile terminal when mobile terminal sets up Traffic Channel; Short message authentication unit, for when described mobile terminal sends note by described Traffic Channel, according to described authenticating result to described short message authentication.
According to an embodiment of mobile switching centre of the present invention, terminal authentication unit, the authentication to described mobile terminal during for setting up Traffic Channel for mobile terminal; Distribution service Channel Elements, setting up traffic channel request for what receive that described mobile terminal sends, and is described mobile terminal distribution service channel.
According to an embodiment of mobile switching centre of the present invention, when described mobile terminal sends note by described Traffic Channel in call, described short message authentication unit according to described authenticating result to described short message authentication.
According to an embodiment of mobile switching centre of the present invention, described authenticating result comprises: success, failure and the unknown; Wherein, described successfully represent described terminal authentication unit to described set up traffic channel request authentication success; Describedly unsuccessfully represent that described terminal authentication unit sets up traffic channel request failed authentication to described; Described the unknown represents that described terminal authentication unit does not carry out authentication to described traffic channel request of setting up.
According to an embodiment of mobile switching centre of the present invention, if described authenticating result is successfully, described short message authentication unit forwards described note to sms center; If described authenticating result is failed or unknown, described short message authentication unit tackles described note.
According to an embodiment of mobile switching centre of the present invention, described distribution service Channel Elements receives the connection management CM business request information that described mobile terminal sends, and request is set up SCCP layer and connected.
According to an embodiment of mobile switching centre of the present invention, after described distribution service Channel Elements receives described CM business request information, send authentication request message to described mobile terminal; Wherein, a random number is comprised in described authentication request message; Described terminal authentication unit uses user key and described random number to produce answer number A through authentication arithmetic, and is stored in vlr by described answer number A; Described mobile terminal returns authentication response message to described mobile switching centre; Wherein, the answer number B that described mobile terminal uses described user key and described random number to produce through authentication arithmetic is comprised in described authentication response message; Described terminal authentication unit more described answer number A and answer number B, if identical, described authenticating result is successfully, and described distribution service Channel Elements is described mobile terminal distribution service channel; If difference, judge that whether described mobile terminal is for exempting from authentication user, if exempt from authentication calling, described authenticating result is unknown, and described distribution service Channel Elements is described mobile terminal distribution service channel, if not exempt from authentication calling, described authenticating result is unsuccessfully; Described authenticating result memory cell preserves described authenticating result.
The technical problem that the present invention will solve is to provide a kind of mobile communication system, comprises above-mentioned arbitrary standard mobile switching center.
Mobile switching centre of the present invention preserves authenticating result after to mobile terminal authentication, and the authenticating result according to preserving carries out authentication to the note that mobile terminal in communication process sends, and the Traffic Channel that can prevent disabled user from passing through to set up sends note.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of an embodiment according to note transmission method of the present invention;
Fig. 2 is the flow chart of another embodiment according to note transmission method of the present invention;
Fig. 3 is the schematic diagram of another embodiment according to note transmission method of the present invention;
Fig. 4 is the schematic diagram of the mobile switching centre of one embodiment of the invention;
Fig. 5 is the schematic diagram of the mobile switching centre of another embodiment of the present invention.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention is wherein described.Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The present invention preserves authenticating result by mobile switching centre after to mobile terminal authentication, mobile switching centre is according to the authenticating result of preserving, authentication is carried out to the note that mobile terminal in communication process sends, when mobile terminal sends note in conversation state by the Traffic Channel set up, when comprising by its special associated control channel transmission note, mobile switching centre checks authenticating result, if authenticating result is " success ", then forwards this note to sms center; If authenticating result is " failure " or " the unknown ", then tackle this note, not to sms center forwarding short message, can prevent disabled user from the process of call, sending note.Below in conjunction with each figure and embodiment, many-sided description is carried out to technical scheme of the present invention.
Fig. 1 is the flow chart of an embodiment according to note transmission method of the present invention.As shown in Figure 1:
Step 102, mobile switching centre saves as the authenticating result to mobile terminal when mobile terminal sets up Traffic Channel.
Step 103, when mobile terminal by Traffic Channel send note time, mobile switching centre according to authenticating result to short message authentication.
Mobile switching centre preserves authenticating result after to mobile terminal authentication, and the authenticating result according to preserving carries out authentication to the note that mobile terminal sends, and the Traffic Channel that can prevent disabled user from passing through to set up sends note.Fig. 2 is the flow chart of another embodiment according to note transmission method of the present invention.As shown in Figure 2:
Step 202, what mobile switching centre's mobile terminal receive sent sets up traffic channel request.
Step 203, mobile switching centre is to mobile terminal authentication and preserve authenticating result, and is mobile terminal distribution service channel.
Step 204, when mobile terminal in call by Traffic Channel send note time, mobile switching centre according to authenticating result to short message authentication.
According to one embodiment of present invention, authenticating result comprises: success, failure and the unknown.Wherein, successfully represent that mobile switching centre sets up the success of traffic channel request authentication to mobile terminal; Failure represents that mobile switching centre sets up traffic channel request failed authentication to mobile terminal; Unknown represent that mobile switching centre sets up traffic channel request to mobile terminal and do not carry out authentication, the scene of wherein not carrying out authentication comprise that mobile terminal switches, the situation such as paging between mobile system.
According to one embodiment of present invention, if authenticating result is successfully, mobile switching centre is to sms center forwarding short message; If authenticating result is failed or unknown, mobile switching centre's interception note.
According to one embodiment of present invention, authenticating result can be preserved in mobile switching centre, also can preserve authenticating result in VLR (VisitorLocationRegister, VLR Visitor Location Register).VLR is a database, store the calling of MS (general designation calls on a customer) in institute compass of competency, the required information of retrieval of outgoing call and the information of user's signing service and supplementary service, the number of such as client, the identification in region, present position, to parameters such as the services that client provides, for registered mobile subscriber provides the necessary condition setting up call proceeding.Once mobile subscriber leaves the control area of this VLR, then again register at another VLR, former VLR will cancel this mobile user data of blotter.
When mobile terminal sends note in conversation state by the Traffic Channel set up, when comprising by its special associated control channel transmission note, mobile switching centre checks authenticating result, if authenticating result is " success ", then forwards this note to sms center; If authenticating result is " failure " or " the unknown ", then tackle this note, not to sms center forwarding short message, can prevent disabled user from call, sending note.
According to one embodiment of present invention, note transmission method of the present invention can be applied in C net, and is applicable to GSM network, or the mobile communications network of other 3G and 2G, such as: WCDMA, TDSCDMA network etc.In above-mentioned each mobile communications network, after to mobile terminal authentication, preserve authenticating result, the authenticating result according to preserving carries out authentication to the note that mobile terminal sends; Or when sending note by Traffic Channel in call, according to the authenticating result of preserving to short message authentication.
Fig. 3 is the schematic diagram of another embodiment according to note transmission method of the present invention.BSC (BaseStationController, base station controller) control one group of base station, management wireless area and wireless channel, the operation and maintenance of wireless device, the business procedure of travelling carriage, and the interface between base station to mobile switching centre is provided.The request message that mobile terminal sends is forwarded to mobile switching centre through BSC.As shown in Figure 3:
Step 301, mobile terminal sends CM (connectionmanagement to mobile switching centre, connection management) business request information, be used for applying for that setting up SCCP (Signalingconnectioncontrol) layer with mobile switching centre is connected.Mobile terminal can be CDMA terminal, GSM terminal, 3G terminal.
According to one embodiment of present invention, can with the reason of application CM business as mobile caller, urgent call, location updating and short message service etc. in CM business request information, and with Ciphering Key Sequence Number; With some physical message of this MS as emitting power grade, the ability etc. supporting no, the pseudo-synchronous ability of cryptographic algorithm and short message, and there is the identifier of MS.
Step 302, when receive mobile terminal send CM business request information after, mobile switching centre or VLR send authentication request message to mobile terminal.Comprise a random number in authentication request message, user key is deposited in vlr as user data, the answer number that mobile switching centre or VLR use user key and this random number to produce through authentication arithmetic.
Step 303, mobile terminal sends authentication response message to mobile switching centre.Mobile terminal uses user key to produce answer number with this random number through identical authentication arithmetic, and is sent to mobile switching centre by authentication response message.
Step 304, mobile switching centre compares two answer numbers, if identical, authenticating result is successfully; If difference, judge that whether mobile terminal is for exempting from authentication user, if exempt from authentication calling, authenticating result is unknown, if not exempt from authentication calling, authenticating result is unsuccessfully.Mobile switching centre preserves authenticating result, authenticating result can be kept at mobile switching centre, also can preserve in vlr, until end of calling.
Step 305, mobile switching centre is mobile terminal allocated channel, is specially: authenticating result is successfully or to exempting from authentication user, after authentication process is complete, mobile switching centre, according to service request, activates and distributes to user traffic channel.Mobile switching centre will send assignment request message to base station controller BSC, requires that BSC comes to this call distribution Traffic Channel.
Step 306, traffic channel assignments success.After successfully setting up Traffic Channel, BSC sends assignment to mobile switching centre and completes message.Terminal called off-hook, call establishment is complete, and both sides enter call or data services stage.
Step 307, mobile terminal is sent short messages in call, and this note is delivered to mobile switching centre by the Traffic Channel set up or special associated control channel.
Step 308, mobile switching centre checks the authenticating result of preserving: if authenticating result is " success ", then this note is forwarded to sms center; If authenticating result is " failure " or " the unknown ", tackle this note.
The present invention preserves authenticating result by mobile switching centre after to mobile terminal authentication, mobile switching centre carries out authentication according to the authenticating result of preserving to the note that mobile terminal in communication process sends, and can prevent disabled user from the process of call, sending note.
Fig. 4 is the schematic diagram of the mobile switching centre of one embodiment of the invention.As shown in Figure 4: mobile switching centre 41 comprises: terminal authentication unit 411, authenticating result memory cell 412, short message authentication unit 413.Terminal authentication unit 411 for when mobile terminal sets up Traffic Channel to described mobile terminal authentication; Authenticating result memory cell 411 saves as the authenticating result to described mobile terminal when mobile terminal sets up Traffic Channel.When mobile terminal by Traffic Channel send note time, short message authentication unit 413 according to authenticating result to short message authentication.Fig. 5 is the schematic diagram of the mobile switching centre of another embodiment of the present invention.As shown in Figure 5: mobile switching centre 51 comprises: terminal authentication unit 511, authenticating result memory cell 512, distribution service Channel Elements 513 and short message authentication unit 514.Terminal authentication unit 511 pairs of mobile terminals carry out authentication.Authenticating result memory cell 512 stores authenticating result.What distribution service Channel Elements 513 mobile terminal receive sent sets up traffic channel request, and is mobile terminal distribution service channel after authentication.When mobile terminal sends note by Traffic Channel in call, short message authentication unit 514 carries out authentication according to authenticating result to note.
According to one embodiment of present invention, authenticating result comprises: success, failure and the unknown.Success represents that mobile switching centre sets up the success of traffic channel request authentication to mobile terminal; Failure represents that mobile switching centre sets up traffic channel request failed authentication to mobile terminal; Unknown expression mobile switching centre sets up traffic channel request to mobile terminal and does not carry out authentication.
According to one embodiment of present invention, if authenticating result is successfully, short message authentication unit 514 is to sms center forwarding short message; If authenticating result is failed or unknown, short message authentication unit 514 tackles note.
According to one embodiment of present invention, the connection management CM business request information that distribution service Channel Elements 513 mobile terminal receive sends, request is set up SCCP layer and is connected.After distribution service Channel Elements 513 receives CM business request information, send authentication request message to mobile terminal; Wherein, a random number is comprised in authentication request message; Terminal authentication unit 511 uses user key and random number to produce answer number A through authentication arithmetic, and is stored in vlr by answer number A; Mobile terminal returns authentication response message; Wherein, the answer number B that user key produces through identical authentication arithmetic with random number is comprised in authentication response message;
Terminal authentication unit 511 compares answer number A and answer number B, if identical, authenticating result is successfully, and distribution service Channel Elements 513 is mobile terminal distribution service channel; If difference, judge that whether mobile terminal is for exempting from authentication user, if exempt from authentication calling, authenticating result is unknown, and distribution service Channel Elements 513 is mobile terminal distribution service channel, if not exempt from authentication calling, authenticating result is unsuccessfully.Authenticating result memory cell 512 preserves authenticating result.
According to one embodiment of present invention, mobile switching centre of the present invention can be applied in C net, and is applicable to GSM network, or the mobile communications network of other 3G and 2G, such as: WCDMA, TDSCDMA network etc.In above-mentioned each mobile communications network, after to mobile terminal authentication, preserve authenticating result, mobile switching centre carries out authentication according to the authenticating result of preserving to the note that mobile terminal sends; Or in call by Traffic Channel send note time, mobile switching centre according to preserve authenticating result to short message authentication.
According to one embodiment of present invention, provide a kind of mobile communication system, comprise above-mentioned mobile switching centre.Mobile switching centre of the present invention preserves authenticating result after to mobile terminal authentication, carries out authentication according to the authenticating result of preserving to the note that mobile terminal in by journey sends, and can prevent disabled user from the process of call, sending note.Description of the invention provides in order to example with for the purpose of describing, and is not exhaustively or limit the invention to disclosed form.Method and system of the present invention may be realized in many ways.Such as, any combination by software, hardware, firmware or software, hardware, firmware realizes method and system of the present invention.Said sequence for the step of described method is only to be described, and the step of method of the present invention is not limited to above specifically described order, unless specifically stated otherwise.In addition, in certain embodiments, can be also record program in the recording medium by the invention process, these programs comprise the machine readable instructions for realizing according to method of the present invention.Thus, the present invention also covers the recording medium stored for performing the program according to method of the present invention.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present invention and practical application are better described, and enables those of ordinary skill in the art understand the present invention thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (9)
1. a note transmission method, is characterized in that:
Mobile switching centre is the authenticating result that mobile terminal preserves to described mobile terminal when setting up Traffic Channel; Wherein, what described mobile switching centre mobile terminal receive sent sets up traffic channel request; Described mobile switching centre is to described mobile terminal authentication and preserve described authenticating result; Described mobile switching centre is described mobile terminal distribution service channel;
When described mobile terminal sends note by described Traffic Channel in call, described mobile switching centre according to described authenticating result to described short message authentication.
2. the method for claim 1, is characterized in that:
Described authenticating result comprises: success, failure and the unknown;
Wherein, described successfully represent described mobile switching centre to described set up traffic channel request authentication success; Describedly unsuccessfully represent that described mobile switching centre sets up traffic channel request failed authentication to described; Described the unknown represents that described mobile switching centre does not carry out authentication to described traffic channel request of setting up;
Described mobile switching centre comprises described short message authentication according to described authenticating result:
If described authenticating result is successfully, described mobile switching centre forwards described note to sms center; If described authenticating result is failed or unknown, described note is tackled by described mobile switching centre.
3. the method for claim 1, is characterized in that:
The traffic channel request of setting up that described mobile switching centre mobile terminal receive sends comprises:
Described mobile terminal sends connection management CM business request information to described mobile switching centre.
4. method as claimed in claim 3, is characterized in that:
Described mobile switching centre is to described mobile terminal authentication and preserve authenticating result, described mobile switching centre is that described mobile terminal distribution service channel comprises:
After described mobile switching centre receives described CM business request information, send authentication request message to described mobile terminal; Wherein, a random number is comprised in described authentication request message; Described mobile switching centre uses user key and described random number to produce answer number A through authentication arithmetic, and is stored in VLR Visitor Location Register VLR by described answer number A;
Described mobile terminal returns authentication response message to described mobile switching centre; Wherein, the answer number B that described mobile terminal uses described user key and described random number to produce through authentication arithmetic is comprised in described authentication response message;
Described mobile switching centre more described answer number A and answer number B, if identical, described authenticating result is successfully, and is described mobile terminal distribution service channel; If difference, judge that whether described mobile terminal is for exempting from authentication user, if exempt from authentication calling, described authenticating result is unknown and is described mobile terminal distribution service channel, if not exempt from authentication calling, described authenticating result is unsuccessfully;
Described mobile switching centre preserves described authenticating result.
5. a moving exchanging center MSC, is characterized in that, comprising:
Terminal authentication unit, to described mobile terminal authentication during for setting up Traffic Channel for mobile terminal;
Authenticating result memory cell, for preserving the authenticating result to described mobile terminal;
Distribution service Channel Elements, setting up traffic channel request for what receive that described mobile terminal sends, and is described mobile terminal distribution service channel;
Short message authentication unit, for when described mobile terminal sends note by described Traffic Channel in call, according to described authenticating result to described short message authentication.
6. mobile switching centre as claimed in claim 5, is characterized in that:
Described authenticating result comprises: success, failure and the unknown;
Wherein, described successfully represent described terminal authentication unit to described set up traffic channel request authentication success; Describedly unsuccessfully represent that described terminal authentication unit sets up traffic channel request failed authentication to described; Described the unknown represents that described terminal authentication unit does not carry out authentication to described traffic channel request of setting up;
If described authenticating result is successfully, described short message authentication unit forwards described note to sms center; If described authenticating result is failed or unknown, described short message authentication unit tackles described note.
7. mobile switching centre as claimed in claim 6, is characterized in that:
Described distribution service Channel Elements receives the connection management CM business request information that described mobile terminal sends.
8. mobile switching centre as claimed in claim 7, is characterized in that:
After described distribution service Channel Elements receives described CM business request information, send authentication request message to described mobile terminal; Wherein, a random number is comprised in described authentication request message; Described terminal authentication unit uses user key and described random number to produce answer number A through authentication arithmetic, and is stored in VLR Visitor Location Register VLR by described answer number A;
Described mobile terminal returns authentication response message to described mobile switching centre; Wherein, the answer number B that described mobile terminal uses described user key and described random number to produce through authentication arithmetic is comprised in described authentication response message;
Described terminal authentication unit more described answer number A and answer number B, if identical, described authenticating result is successfully, and described distribution service Channel Elements is described mobile terminal distribution service channel; If difference, judge that whether described mobile terminal is for exempting from authentication user, if exempt from authentication calling, described authenticating result is unknown, and described distribution service Channel Elements is described mobile terminal distribution service channel, if not exempt from authentication calling, described authenticating result is unsuccessfully;
Described authenticating result memory cell preserves described authenticating result.
9. a mobile communication system, is characterized in that:
Comprise the mobile switching centre as described in any one of claim 5 to 8.
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| CN201110360008.5A CN103108291B (en) | 2011-11-15 | 2011-11-15 | Note transmission method, mobile switching centre and mobile communication system |
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| CN106375968B (en) * | 2016-08-30 | 2019-10-25 | 广州市玄武无线科技股份有限公司 | A kind of method and device that white list is added |
| CN109246706A (en) * | 2017-05-27 | 2019-01-18 | 中国电信股份有限公司 | False international nomadism call hold-up interception method, device and system |
| CN115396827B (en) * | 2021-05-24 | 2024-01-30 | 成都鼎桥通信技术有限公司 | Information processing method, apparatus, device, storage medium, and program product |
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| CN100550729C (en) * | 2004-07-30 | 2009-10-14 | 华为技术有限公司 | A kind of method for authenticating when in code division multiple access system, using for digital clustering operation |
| CN101370304B (en) * | 2008-09-19 | 2012-12-19 | 中兴通讯股份有限公司 | Authentication implementing method and device |
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