CN102014367A - Mobile restriction implementation method of mobile communication terminal and CG gateway - Google Patents

Mobile restriction implementation method of mobile communication terminal and CG gateway Download PDF

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Publication number
CN102014367A
CN102014367A CN2009100920192A CN200910092019A CN102014367A CN 102014367 A CN102014367 A CN 102014367A CN 2009100920192 A CN2009100920192 A CN 2009100920192A CN 200910092019 A CN200910092019 A CN 200910092019A CN 102014367 A CN102014367 A CN 102014367A
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China
Prior art keywords
imsi
gateway
user
international
national
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Pending
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CN2009100920192A
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Chinese (zh)
Inventor
王寿林
仝黎
林旭
何可为
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ZTE Corp
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ZTE Corp
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Priority to CN2009100920192A priority Critical patent/CN102014367A/en
Priority to PCT/CN2010/073174 priority patent/WO2011026354A1/en
Publication of CN102014367A publication Critical patent/CN102014367A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/1442—Charging, metering or billing arrangements for data wireline or wireless communications at network operator level
    • H04L12/145—Charging, metering or billing arrangements for data wireline or wireless communications at network operator level trading network capacity or selecting route based on tariff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H04M15/8038—Roaming or handoff
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H04M15/8044—Least cost routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/82—Criteria or parameters used for performing billing operations
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/82—Criteria or parameters used for performing billing operations
    • H04M15/825—Criteria or parameters used for performing billing operations based on the number of used channels, e.g. bundling channels, frequencies or CDMA codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/06—Registration at serving network Location Register, VLR or user mobility server
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

The invention discloses a mobile restriction implementation method of a mobile communication terminal and a CG gateway. The method comprises the following steps of: 1. judging whether a plurality of IMSIs (International Mobile Subscriber Identity) contain an international IMSI and a national IMIS by the CG gateway, performing step 2 if containing the international IMSI, and performing step 3 if only containing the national IMSI; 2. according to position update information, invoking a preset roaming strategy by the CG gateway, and switching a user to the international IMSI with the lowest expense; and 3. according to the national IMSI, switching the user to the IMSI with the lowest expense in the current roaming country by the CG gateway. In the invention, the roaming strategies of different types of IMSIs in different counties are allocated in the CG gateway, so that users can enjoy the IMSI with the lowest expense during roaming, thereby saving cost for the users.

Description

A kind of mobile restriction implementation method and CG gateway of mobile communication terminal
Technical field
The present invention relates to the CG gateway roaming field in the communication field, relate in particular to a kind of mobile restriction implementation method and CG gateway of mobile communication terminal.
Background technology
At present the N.S0028 agreement of 3GPP2 tissue has provided the C network users and has roamed into the solution that G net (being called for short C2G user) and G network users roam into the services of roaming of C net (being called for short G2C user), and the network entity of realizing this function is the CG gateway.Functions such as CG gateway support C2G and G2C user's roaming, calling, short message, supplementary service, data service.
Existing C G gateway can only be realized the services of roaming of a C network operation business to another a G network operation business or G network operation business to a C network operation business.Processing mode for existing services of roaming, with C2G user, C2G user wants to roam under the G net network of country variant, international IMSI (Intemational Mobile Subscriber Identity just must contract, international mobile subscriber identity), the national IMSI of a country if only contract, when then roaming into another G net network that does not have signatory country, business can't be used.
But even contracted international IMSI, the rate that the user uses also can only be the rate of the IMSI of current use.Because the international IMSI that different service providers provides has different expenses standards in different countries, more cheap than international IMSI B as international IMSI A at the rate of national A, international IMSI B is more cheap than international IMSI A at the rate of national B, for operator, certainly be tending towards in different countries, use the cheap international IMSI of rate to save operating cost.Therefore, having caused the rate of the IMSI of the current use of user may not be minimum rate.
Summary of the invention
In order to solve present user minimum problem of international IMSI rate during the country variant roaming between GC two net, the invention provides a kind of mobile restriction implementation method of mobile communication terminal, described terminal is preserved a plurality of IMSI, may further comprise the steps:
Step 1, CG gateway judge whether described a plurality of IMSI comprises international IMSI and national IMSI, if comprise international IMSI, then execution in step 2, if include only national IMSI, then execution in step 3;
Step 2, described CG gateway calls predefined roaming strategy according to location updating message, makes the user switch to the minimum international IMSI of rate;
Step 3, described CG gateway make the user switch to the minimum IMSI of current roaming country's rate according to described national IMSI.
Described step 2 is specially:
Step 21, described CG gateway receive the location update message that acquiescence IMSI initiates;
Step 22, described CG gateway read the national code in the device number in the described location update message;
Step 23, described CG gateway calls predefined roaming strategy according to described national code and judges whether the IMSI of current use is optimum, if not then notifying the user, allow the user carry out the selection of IMSI, or directly send the message indicating terminal by described CG gateway and switch to the minimum IMSI of rate.
The home network of described terminal is CDMA, further comprises before the described step 1:
Step 11, described CG gateway receive described terminal roaming and upgrade in the position that global system for mobile communications GSM network is initiated to back, new area;
Step 12, described CG gateway are upgraded the position of described GSM network and are converted into the location update message of described cdma network and send among the HLR of described home network CDMA;
Step 13, described CG gateway receive the position renewal response message that described HLR returns;
Step 14, described CG gateway upgrades the MSC/VLR that response message returns described GSM net with described position.
Further comprise after the described step 2: step 21, described CG gateway receives first switching response message that described user returns.
Further comprise after the described step 3:
Step 31, described CG gateway receives second switching response message that described user returns.
The present invention also provides a kind of CG gateway, preserves a plurality of IMSI, comprising:
Judge module is used to judge whether described a plurality of IMSI comprises international IMSI and national IMSI;
First handover module is used for calling predefined roaming strategy according to location updating message, makes the user switch to the minimum international IMSI of rate;
Second handover module is used for according to described national IMSI, makes the user switch to the minimum IMSI of current roaming country's rate.
Described first handover module further comprises:
First receiving element is used to receive the location update message that acquiescence IMSI initiates;
Acquiring unit is used for reading the national code in the device number of described location update message;
Decision package, be used for calling predefined roaming strategy and judge whether the IMSI of current use is optimum according to described national code, if not then notifying the user, allow the user carry out the selection of IMSI, or directly send the IMSI that the message indicating terminal switches to optimum by described CG gateway.
The home network of described terminal is CDMA, and described CG gateway further comprises:
Second receiver module is used to receive described terminal roaming and upgrades in the position that the GSM network is initiated to back, new area;
The message transformation module is used for the location update message that is converted into described cdma network is upgraded in the position of described GSM network;
First sending module is used for the location update message after transforming is sent to the HLR of described home network CDMA;
The 3rd receiver module is used to receive the position renewal response message that described HLR returns;
Second sending module is used for the MSC/VLR that response message returns described GSM net is upgraded in described position.
Described CG gateway further comprises:
The 4th receiver module is used for making after the user switches to the minimum international IMSI of rate at described first handover module, receives first switching response message that described user returns.
Described CG gateway further comprises:
The 5th receiver module is used for making after the user switches to the minimum IMSI of current roaming country rate at described second handover module, receives second switching response message that described user returns.
Compared with prior art, the present invention has following beneficial effect:
The present invention passes through at the roaming strategy of CG gateway configuration different IMS I at country variant, make the user roam into after the country of a signatory international IMSI or national IMSI, the CG gateway can judge whether the rate of the IMSI of current use are minimum according to configuration, if not, then select the IMSI of minimum rate to use for the user.Utilize method of the present invention and CG gateway, can make the user time enjoy the minimum IMSI of rate, thereby saved cost for the user in roaming.
Description of drawings
Fig. 1 is the mobile restriction implementation method flow chart of mobile communication terminal of the present invention;
Fig. 2 is the C2G roaming limit service flow chart of mobile communication terminal of the present invention;
Fig. 3 is the structural representation that CG gateway of the present invention is realized switching;
Fig. 4 is the structural representation that CG gateway of the present invention is realized services of roaming.
Embodiment
The present invention deposits a plurality of IMSI simultaneously at CG gateway and terminal SIM card, and the authentication information of each IMSI, and all IMSI also can share authentication information, and CG gateway database is being deposited each IMSI and authentication information thereof equally.
Can contract the simultaneously international IMSI of different operators of C2G or G2C user, the minimum problem of rate when the CG gateway realizes that according to pre-configured roaming strategy the user roams between country variant.
C2G or the G2C user country variant IMSI that can contract simultaneously, each national IMSI can roam in corresponding country, and does corresponding business; When the user roams into country variant, select corresponding national IMSI to carry out roaming between the country.
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
With reference to figure 1, Fig. 1 is the mobile restriction implementation method flow chart of mobile communication terminal of the present invention, and after the user roamed into a new country, method of the present invention may further comprise the steps:
Step 1, the CG gateway judges among a plurality of IMSI that preserve in advance whether comprise international IMSI and national IMSI, if comprise international IMSI, then execution in step 2, if include only national IMSI, then execution in step 3;
Step 2, the CG gateway calls predefined roaming strategy according to location updating message, makes the user switch to the minimum international IMSI of rate;
Predefined roaming strategy is specifically as follows: in current roaming country, the rate of the rate of the international IMSI of the current use of user with the international IMSI of the different operators of preserving are in advance compared, select the minimum international IMSI of rate according to comparative result.
Because the international IMSI of user's different operators of contracting corresponds respectively to the national code of country variant, in current roaming country, with the rate of the corresponding international IMSI of national code of this state be minimum.
The specific implementation process of step 2 is:
Step 21, CG gateway receive the location update message that acquiescence IMSI initiates;
Acquiescence IMSI refers to the IMSI of the current use of user.
Step 22, CG gateway read the national code in the device number in the location update message;
Step 23, CG gateway are called predefined roaming strategy according to national code and are judged whether the rate of the IMSI of current use are minimum, if not then notifying the user, allow the user carry out the selection of IMSI, or are directly switch to the minimum IMSI of rate by the CG gateway.
Because national code is corresponding to the international IMSI of different operators, therefore, can learn the rate of the international IMSI of different operators according to the national code in the device number, after the rate of the international IMSI of the rate of the international IMSI of current use and different operators are compared respectively, whether the rate that can learn the international IMSI of current use are minimum, if not minimum, two kinds of switching modes are then arranged, a kind of mode is to notify the user, allow the user be manually switched to the minimum international IMSI of rate, another kind of mode is, support under the prerequisite of IMSI automatic switching function at mobile phone terminal and SIM card, CG gateway structure message sends to mobile phone terminal, and mobile phone terminal notice SIM card switches to the minimum international IMSI of rate.
Step 3, CG gateway make the user switch to the minimum operator of rate of current roaming country according to national IMSI.
A plurality of national IMSI if the user has only contracted, may roam into a new national mobile phone from a country and just not have signal, this moment, the user was manually switched to current national IMSI, or terminal can read all IMSI from SIM card, a then initiation position renewal is upgraded successfully up to the position.Because may there be several different operators simultaneously in a country, and the rate of each operator all are different, therefore, CG gateway indication user issues mobile phone terminal with manual mode or CG gateway structure message, and mobile phone terminal notice SIM card switches to the minimum operator of rate.What Fig. 1 showed is that the CG intra-gateway is handled the flow chart that switches to the minimum IMSI of rate, the CG gateway realizes the C2G roaming limit service flow chart of mobile communication terminal with reference to shown in Figure 2, shown the CG gateway how with the cdma network and the GSM network service of outside.
The home network of terminal is CDMA (Code-DivisionMultiple Access, code division multiple access) network, user terminal by the CG gateway from GSM (Global System for Mobile Communications, global system for mobile communications) netsurfing in cdma network.Not only comprised the step of Fig. 1 among Fig. 2, before the step 1 of Fig. 1, further comprised:
Step 11, CG gateway receiving terminal roam into back, new area and upgrade in the position that the GSM network is initiated;
Step 12, CG gateway are upgraded the position of GSM network and are converted into the location update message of cdma network and send among the attaching position register HLR of terminal attaching network C DMA;
Step 13, CG gateway receive the position renewal response message that HLR returns;
Step 14, the CG gateway upgrades the mobile switching center MSC/VLR that response message returns the GSM net with the position;
After the CG of step 14 gateway upgrades the relevant position MSC/VLR that response message returns GSM net, the CG gateway is followed execution in step 1 and step 2, after the execution of step 2, the CG gateway is finished the process that makes the user switch to the minimum international IMSI of rate, user's switching can be returned first switching response message, therefore after finishing, after step 2, further comprise:
Step 21, the CG gateway receives first switching response message that the user returns.
The family that is to use that step 3 is carried out switches to the process of the minimum IMSI of current roaming country rate, and after this handoff procedure, the user can return second switching response message, therefore, after step 3, further comprises:
Step 31, the CG gateway receives second switching response message that the user returns.
Below the CG gateway is realized that the structural representation that switches is elaborated, with reference to shown in Figure 3, Fig. 3 is the structural representation that CG gateway of the present invention is realized switching.Comprise among the figure: judge module, first handover module and second handover module.
Judge module is used to judge whether a plurality of IMSI that preserve in advance comprise international IMSI and national IMSI;
A plurality of IMSI of Bao Cuning are kept in the SIM card of mobile phone terminal in advance, and are kept at simultaneously in the CG gateway.
First handover module is used for calling predefined roaming strategy according to location updating message, makes the user switch to the minimum international IMSI of rate;
Predefined roaming strategy is specifically as follows: in current roaming country, the rate of the rate of the international IMSI of the current use of user with the international IMSI of the different operators of preserving are in advance compared, select the minimum international IMSI of rate according to comparative result.
Because the international IMSI of user's different operators of contracting corresponds respectively to the national code of country variant, in current roaming country, with the rate of the corresponding international IMSI of national code of this state be minimum.
In order to realize switching to the function of the minimum international IMSI of rate, first handover module specifically comprises again: first receiving element, acquiring unit and decision package.
Wherein, first receiving element is used to receive the location update message that acquiescence IMSI initiates; Acquiescence IMSI is current use IMSI.
Acquiring unit is used for reading the national code in the device number of location update message;
Decision package is used for calling predefined roaming strategy according to described national code and judges whether the IMSI of current use is optimum, if not then notifying the user, allows the user carry out the selection of IMSI, or is directly switch to optimum IMSI by the CG gateway.
Because national code is corresponding to the international IMSI of different operators, therefore, can learn the rate of the international IMSI of different operators according to the national code in the device number, after the rate of the international IMSI of the rate of the international IMSI of current use and different operators are compared respectively, whether the rate that can learn the international IMSI of current use are minimum, if not minimum, two kinds of switching modes are then arranged, a kind of mode is to notify the user, allow the user be manually switched to the minimum international IMSI of rate, another kind of mode is, support under the prerequisite of IMSI automatic switching function at mobile phone terminal and SIM card, CG gateway structure message sends to mobile phone terminal, and mobile phone terminal notice SIM card switches to the minimum international IMSI of rate.
Second handover module is used for according to national IMSI, makes the user switch to the minimum IMSI of current roaming country's rate.
A plurality of national IMSI if the user has only contracted, may roam into a new national mobile phone from a country and just not have signal, this moment, the user was manually switched to current national IMSI, or terminal can read all IMSI from SIM card, a then initiation position renewal is upgraded successfully up to the position.
With reference to figure 4, Fig. 4 is the structural representation that CG gateway of the present invention is realized services of roaming, and the CG gateway is for the process that realizes the user and net from the C network roaming to G, and with communicating by letter between C net and G net, the CG gateway also comprises:
Second receiver module is used for receiving terminal and roams into back, new area in the renewal of the position of GSM network initiation;
The message transformation module is used for the location update message that is converted into cdma network is upgraded in the position of GSM network;
First sending module is used for the location update message after transforming is sent to the HLR of terminal attaching network C DMA;
The 3rd receiver module is used to receive the position renewal response message that HLR returns;
Second sending module is used for the MSC/VLR that response message returns the GSM net is upgraded in described position.
After second sending module upgrades the position MSC/VLR that response message returns GSM net, judge module, first handover module, second handover module by the CG gateway are carried out respectively, with the function that switches to the minimum IMSI of rate that realizes that the CG intra-gateway is finished.Finish the process that makes the user switch to the minimum international IMSI of rate at first handover module, after user's switching was finished, the user can return first switching response message, and therefore, the CG gateway further comprises:
The 4th receiver module is used for making after the user switches to the minimum international IMSI of rate at first handover module, receives first switching response message that the user returns.
The family that is to use that second handover module is finished switches to the process of the minimum IMSI of current roaming country rate, and after this handoff procedure, the user can return second switching response message, and therefore, the CG gateway further comprises:
The 5th receiver module is used for making after the user switches to the minimum IMSI of current roaming country rate at second handover module, receives second switching response message that the user returns.
When the present invention utilizes the CG gateway to realize that the Multi-IMSI terminal is roamed between C/G two net, how to make the user enjoy the function of minimum IMSI rate, implement very conveniently, provide cost savings for the user simultaneously.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (10)

1. the mobile restriction implementation method of a mobile communication terminal, described terminal is preserved a plurality of international mobile subscriber identity IMSI, it is characterized in that, may further comprise the steps:
Step 1, CG gateway judge whether described a plurality of IMSI comprises international IMSI and national IMSI, if comprise international IMSI, then execution in step 2, if include only national IMSI, then execution in step 3;
Step 2, described CG gateway calls predefined roaming strategy according to location updating message, makes the user switch to the minimum international IMSI of rate;
Step 3, described CG gateway make the user switch to the minimum IMSI of current roaming country's rate according to described national IMSI.
2. the method for claim 1 is characterized in that, described step 2 is specially:
Step 21, described CG gateway receive the location update message that acquiescence IMSI initiates;
Step 22, described CG gateway read the national code in the device number in the described location update message;
Step 23, described CG gateway calls predefined roaming strategy according to described national code and judges whether the IMSI of current use is optimum, if not then notifying the user, allow the user carry out the selection of IMSI, or directly send the message indicating terminal by described CG gateway and switch to the minimum IMSI of rate.
3. the method for claim 1 is characterized in that, the home network of described terminal is code division multiple access CDMA, further comprises before the described step 1:
Step 11, described CG gateway receive described terminal roaming and upgrade in the position that global system for mobile communications GSM network is initiated to back, new area;
Step 12, described CG gateway are upgraded the position of described GSM network and are converted into the location update message of described cdma network and send among the HLR of described home network CDMA;
Step 13, described CG gateway receive the position renewal response message that described HLR returns;
Step 14, described CG gateway upgrades the mobile switching center MSC/VLR that response message returns described GSM net with described position.
4. method as claimed in claim 3 is characterized in that, further comprise after the described step 2: step 21, described CG gateway receives first switching response message that described user returns.
5. method as claimed in claim 3 is characterized in that, further comprises after the described step 3:
Step 31, described CG gateway receives second switching response message that described user returns.
6. a CG gateway is preserved a plurality of IMSI, it is characterized in that, comprising:
Judge module is used to judge whether described a plurality of IMSI comprises international IMSI and national IMSI;
First handover module is used for calling predefined roaming strategy according to location updating message, makes the user switch to the minimum international IMSI of rate;
Second handover module is used for according to described national IMSI, makes the user switch to the minimum IMSI of current roaming country's rate.
7. CG gateway as claimed in claim 6 is characterized in that, described first handover module further comprises:
First receiving element is used to receive the location update message that acquiescence IMSI initiates;
Acquiring unit is used for reading the national code in the device number of described location update message;
Decision package, be used for calling predefined roaming strategy and judge whether the IMSI of current use is optimum according to described national code, if not then notifying the user, allow the user carry out the selection of IMSI, or directly send the IMSI that the message indicating terminal switches to optimum by described CG gateway.
8. CG gateway as claimed in claim 6 is characterized in that, the home network of described terminal is CDMA, and described CG gateway further comprises:
Second receiver module is used to receive described terminal roaming and upgrades in the position that the GSM network is initiated to back, new area;
The message transformation module is used for the location update message that is converted into described cdma network is upgraded in the position of described GSM network;
First sending module is used for the location update message after transforming is sent to the attaching position register HLR of described home network CDMA;
The 3rd receiver module is used to receive the position renewal response message that described HLR returns;
Second sending module is used for the MSC/VLR that response message returns described GSM net is upgraded in described position.
9. CG gateway as claimed in claim 8 is characterized in that, further comprises:
The 4th receiver module is used for making after the user switches to the minimum international IMSI of rate at described first handover module, receives first switching response message that described user returns.
10. CG gateway as claimed in claim 8 is characterized in that, further comprises:
The 5th receiver module is used for making after the user switches to the minimum IMSI of current roaming country rate at described second handover module, receives second switching response message that described user returns.
CN2009100920192A 2009-09-04 2009-09-04 Mobile restriction implementation method of mobile communication terminal and CG gateway Pending CN102014367A (en)

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PCT/CN2010/073174 WO2011026354A1 (en) 2009-09-04 2010-05-24 Method for implementing mobility restriction of mobile communication terminals and cdma & gsm gateway thereof

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CN106170996A (en) * 2015-02-11 2016-11-30 华为技术有限公司 A kind of network registering method and terminal
WO2017185255A1 (en) * 2016-04-27 2017-11-02 华为技术有限公司 Method for providing traffic package and related device
CN109587672A (en) * 2017-09-28 2019-04-05 展讯通信（上海）有限公司 Select the method, apparatus and terminal of roaming place carrier network
CN110719615A (en) * 2019-10-21 2020-01-21 广州爱浦路网络技术有限公司 Method for user terminal to switch base station attachment

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