CN102123397B - Method and system for limiting concurrent forwarding - Google Patents
Method and system for limiting concurrent forwarding Download PDFInfo
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- CN102123397B CN102123397B CN201110044779.3A CN201110044779A CN102123397B CN 102123397 B CN102123397 B CN 102123397B CN 201110044779 A CN201110044779 A CN 201110044779A CN 102123397 B CN102123397 B CN 102123397B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/12—Detection or prevention of fraud
- H04W12/121—Wireless intrusion detection systems [WIDS]; Wireless intrusion prevention systems [WIPS]
- H04W12/122—Counter-measures against attacks; Protection against rogue devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
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Abstract
The invention relates to a method and system for limiting concurrent forwarding. The method comprises the steps: an MSC (Mobile Switch Center) initiates a location application message to an HLR (Home Location Register); after receiving the location application message, the HLR acquires the current forwarding count of a called number and a preset forwarding counting threshold value; and when the current forwarding count is larger than or equal to the preset forwarding counting threshold, the HLR returns a rejection response message to the MSC and prohibits the forwarding of the called number. In the invention, the standard HLR and the MSC are coordinated to control the forwarding frequency of a user so as to effectively alleviate the flooding of malicious forwarding; and some suspicious numbers are reported for alarm so as to effectively prevent the occurrence of behaviors of deceitful users, and thus the use safety of the user is improved and the purpose of protecting the rights and interests of consumers is achieved.
Description
Technical field
The present invention relates to mobile communication technology field, particularly relate to a kind of method and system of limiting concurrent forwarding.
Background technology
In daily life; people often can receive some strange phones; these phones often ring once with regard to on-hook; this kind of telephone number and domestic common number are without any difference; when people are by this telephone number clawback; then can hear some advertisements, prize-winning etc. advertisement information or may be forwarded on certain information service center, be such as access in into external pornographic chat or reaction referral centre, some lawless person therefrom can collect transit rate and use.These malice forward behaviors not only bring harassing and wrecking to the life of people, also can produce loss to individual telephone expenses and operator's telephone expenses.
At present, equipment of the core network (comprising HLR, MSC etc.) is according to the behavior of standard agreement uncontrollable this malice forward.For HLR, be only responsible for judging whether called subscriber has forward authority, whether such as forward authorize, to transferred number with or without call authority etc., and cannot judge that whether this called number may be maliciously number; For MSC, be only responsible for called route and continue, whether suspicious helpless especially to detection called number.
Summary of the invention
Main purpose of the present invention is the method and system providing a kind of limiting concurrent forwarding, is intended to improve the validity and user's safety in utilization that control the behavior of malice forward.
In order to achieve the above object, the present invention proposes a kind of method of limiting concurrent forwarding, comprising:
Moving exchanging center MSC is to attaching position register HLR launch position solicitation message;
After described HLR receives position solicitation message, the current forward counting obtaining called number and the forward count threshold preset, when described current forward counting is more than or equal to default forward count threshold, HLR returns refusal response message to MSC, forbids the forward of described called number.
Preferably, the method also comprises:
After HLR receives position solicitation message, judge that the current forward counting of called number is less than default forward count threshold, then
Current transferred number corresponding for described called number is carried in position application response message and is sent to MSC by HLR, and the current forward counting of called number is added one;
Terminal call continues to current transferred number according to the position application response message received by MSC, sets up calling;
Preferably, also comprise after described foundation calling: when after calling release, MSC sends transferred number solicitation message to HLR, notice HLR forwarded calls terminates;
The forward of called number counting is subtracted one by HLR, and returns transferred number application response message to MSC.
Preferably, described when current forward counting is more than or equal to default forward count threshold, HLR returns refusal response message to MSC, also comprises after forbidding the step of the forward of described called number:
HLR sends forward trap warning information to alarm platform.
Preferably, described method also comprises: after HLR receives position solicitation message, HLR judges the whether signing Call Forwarding Unconditional of described called number and meets forward condition, if so, then performs and judges whether the current forward counting of called number is less than the step of default forward count threshold; Otherwise HLR receives the transferred number solicitation message that caller MSC sends, and judge whether the current forward counting of called number is less than default forward count threshold according to described transferred number solicitation message.
The present invention also proposes a kind of system of limiting concurrent forwarding, comprises MSC and HLR be in same core net, and terminal accesses to described core net by wireless network, wherein:
Described MSC, for described HLR launch position solicitation message;
Described HLR, for receive described MSC initiate position solicitation message after, the current forward counting obtaining called number and the forward count threshold preset, when described current forward counting is more than or equal to default forward count threshold, HLR returns refusal response message to MSC.
Preferably, described HLR, also for after receiving position enquiring solicitation message, judge that the current forward counting of called number is less than default forward count threshold, then current transferred number corresponding for described called number is carried in position application response message and is sent to MSC, and the current forward counting of called number is added one;
Described MSC, also for continuing to current transferred number according to the position application response message received by terminal call, sets up calling.
Preferably, described HLR also for when after calling release, receives the transferred number solicitation message that MSC sends, and the current forward counting of called number is subtracted one, and returns transferred number application response message to MSC;
Described MSC, also for when after calling release, sends transferred number solicitation message to HLR, and notice HLR forwarded calls terminates.
Preferably, described HLR also for when described current forward counting is more than or equal to default forward count threshold, after returning refusal response message, sends forward trap warning information to alarm platform to MSC.
Preferably, described HLR, also for after receiving position solicitation message, judges the whether signing Call Forwarding Unconditional of described called number and meets forward condition, if so, then judges whether the forward counting of called number is less than default forward count threshold; Otherwise HLR receives the transferred number solicitation message that caller MSC sends, and judge whether the current forward counting of called number is less than default forward count threshold according to described transferred number solicitation message.
The method and system of a kind of limiting concurrent forwarding that the present invention proposes, to be coordinated with mobile switching centre (MSC) by standard attaching position register (HLR) and user's forward number of times is controlled, thus effectively reduce spreading unchecked of malice forward; Report and alarm is carried out to some suspicious numbers, effectively can stop the generation of the behavior of fraudulent user, improve user's safety in utilization, reach the object of Protection of consumer rights and interests.
Accompanying drawing explanation
Fig. 1 is the NO7 schematic network structure that the embodiment of the present invention relates to;
Fig. 2 is the method one embodiment schematic flow sheet of limiting concurrent forwarding of the present invention;
Fig. 3 is another embodiment schematic flow sheet of method of limiting concurrent forwarding of the present invention;
Fig. 4 is the forward schematic flow sheet that standard agreement realizes;
Fig. 5 is the forward schematic flow sheet of method one embodiment of limiting concurrent forwarding of the present invention;
Fig. 6 is the system one example structure schematic diagram of limiting concurrent forwarding of the present invention.
In order to make technical scheme of the present invention clearly, understand, be described in further detail below in conjunction with accompanying drawing.
Embodiment
Standard network element MSC and HLR in core net mainly coordinates by solution for embodiment of the invention, effectively controls user's forward number of times, to solve concurrent forwarding problem, improves validity and user's safety in utilization of malice forward Behavior-Based control.
Embodiment of the present invention running environment relates to based on NO7 server net, and in NO7 network structure as shown in Figure 1, MT (mobile terminal) accesses to core net by wireless network, MSC (MobileSwitching Center, mobile switching centre), VLR (Visitor Location Register, VLR Visitor Location Register), HLR (Home Location Register, attaching position register) be the standard network element of core net in NO7 network with AUC (AUC), MSC is mobile management center, be responsible for calling, continue user, VLR is VLR Visitor Location Register, for storing the CAMEL-Subscription-Information of user temporarily, HLR is attaching position register, for CAMEL-Subscription-Information and the real-time positional information of preserving user of persistence user, communication is carried out by NO7 signaling network between core network element MSC, VLR and HLR.
As previously mentioned, current core net is according to the behavior of standard agreement uncontrollable malice forward: HLR can only judge whether called subscriber has forward authority, and cannot judge whether this called number may be malice number; And MSC is only responsible for the route of called number and continues, called number can not be detected whether suspicious.
As shown in Figure 2, one embodiment of the invention proposes a kind of based on above-mentioned network configuration, method in conjunction with the limiting concurrent forwarding of MSC and HLR, comprising:
Step S101, MSC are to HLR launch position solicitation message;
The present embodiment terminal specifically can be mobile terminal, and HLR is called HLR.Identical with the forward flow process of existing standard agreement, when terminal is called out for being set up by core net and called number place object terminal, terminal is to the MSC request of making a call at its place, called number is carried in this call request, the call request that MSC initiates according to terminal, to HLR launch position solicitation message, so that for terminal foundation is with the calling of called number or when called number contracts Call Forwarding Unconditional, be the calling of terminal foundation and the current corresponding transferred number of called number.The present embodiment is suitable for the application scenarios that called number is signing Call Forwarding Unconditional.
After step S102, HLR receive position solicitation message, the current forward counting obtaining called number and the forward count threshold preset, when current forward counting is more than or equal to default forward count threshold, HLR returns refusal response message to MSC.
In order to effectively limit the number of times of called number concurrent forwarding, the present embodiment is compared by the forward count threshold counting the current forward of called number and preset and controls call establishment.
Particularly, after HLR receives the position solicitation message of MSC initiation, find that called number is contracted CFU (Call Forwarding Unconditional), the current transferred number that called number is corresponding is legal, and the current forward counting of called number is less than the maximum forward number of times of default forward count threshold and system permission, the current forward counting of this called number is added one by HLR, this transferred number is carried to MSC in position application (LOCREQ) response message simultaneously, continue to current transferred number by MSC, call setup; When after the call completing terminal and transferred number, calling release, the forward of called number counting is subtracted one by HLR.If judge, the current forward counting of called number exceedes default forward count threshold, then refuse this forward, terminal cannot continue to transferred number corresponding to current called number, and report and alarm message, the MIN (mobile logo number) of called subscriber, called number, the positional information at the current place of called subscriber and Redirection Information is comprised in alarm information, thus effectively control the behavior of malice forward, the generation of the fraudulent user behavior that prevention may exist, improves user's safety in utilization.
In above-described embodiment, the conditional forwarding (such as divert when busy, Call Forwarding No Reply etc.) if called number is contracted, then HLR receives the transferred number solicitation message that caller MSC sends, and wherein has two kinds of situations: 1. calling and called are at same MSC; 2. calling and called are at different MSC, for the first situation, caller MSC directly sends transferred number solicitation message to called HLR, for the second situation, then called MS C can send changed course and exhales solicitation message to caller MSC again, send transferred number solicitation message to called HLR by caller MSC again, and judge the current forward of called number counts whether be less than default forward count threshold by called HLR according to transferred number solicitation message.
As shown in Figure 3, another embodiment of the present invention proposes a kind of based on above-mentioned network configuration, method in conjunction with the limiting concurrent forwarding of MSC and HLR, comprising:
Step S1020, MSC are to HLR launch position solicitation message;
Step S1021, after HLR receives position solicitation message, judges whether the current forward counting of called number is less than default forward count threshold; If so, then step S1022 is entered; Otherwise, enter step S1026;
To contract Call Forwarding Unconditional for called number, after HLR receives position solicitation message, HLR judges the whether signing Call Forwarding Unconditional of called number and meets forward condition, if, then judge whether the current forward counting of called number is less than default forward count threshold, if so, then step S1022 is entered; Otherwise, enter step S1026.
Current transferred number corresponding for called number is carried in position application response message and is sent to MSC by step S1022, HLR, and the current forward counting of called number is added one;
Terminal call continues to current transferred number according to the position application response message received by step S1023, MSC, sets up calling;
Step S1024, when after calling release, MSC sends transferred number solicitation message to HLR, and notice HLR forwarded calls terminates;
The forward of called number counting is subtracted one by step S1025, HLR, and returns transferred number application response message to MSC.
Step S1026, HLR return refusal response message to MSC, forbid the forward of called number, and report and alarm message.
Below with user A for the present embodiment terminal, with user B for the forward flow process of called number place object terminal to the method for standard agreement forward flow process and the present embodiment limiting concurrent forwarding is described in detail:
As shown in Figure 4, standard agreement forward flow process is:
Step 21, user A dials called number DN, operates to the application of core net launch position;
Step 22, after MSC_A receives position solicitation message, HLR (HLR_A) launch position application (LOCREQ) to DN place operates;
Step 23, after HLR_A receives position application (LOCREQ) message, finds that DN contracts Call Forwarding Unconditional (CFU) and meet forward condition, so bring MSC_A by transferred number (DN1) by position application response message;
Step 24, MSC_A operates to HLR (HLR_B) launch position application (LOCREQ) at DN1 place;
Step 25, HLR_B finds that DN1 is registered on MSC_B after receiving position application (LOCREQ) message, so send route application (ROUTREQ) message to MSC_B;
Step 26, after MSC_B receives route solicitation message, distribution T LDN1 also brings HLR_B in route application response;
Step 27, HLR_B brings MSC_A TLDN1 in position application response message;
Step 28, speech channel is routed to MSC_B by TLDN1 by MSC_A;
Step 29, call setup.
As shown in Figure 5, the present embodiment limiting concurrent forwarding flow process is:
Step 31, user A dials called number DN, operates to the application of core net launch position;
Step 32, after MSC_A receives position solicitation message, HLR (HLR_A) launch position application (LOCREQ) to DN place operates;
Step 33, after HLR_A receives position application (LOCREQ) message, find that DN contracts Call Forwarding Unconditional (CFU) and meet forward condition, and the current forward number of times of this user B is less than the maximum times that system specifies, so transferred number (DN1) is added one by position application in response to belt to MSC_A and by the forward number of times of this user;
Step 34, MSC_A operates to HLR (HLR_B) launch position application (LOCREQ) at DN1 place;
Step 35, HLR_B finds that DN1 is registered on MSC_B after receiving position application (LOCREQ) message, so send route application (ROUTREQ) message to MSC_B;
Step 36, after MSC_B receives route application (ROUTREQ) message, distribution T LDN1 also brings HLR_B in route application response;
Step 37, HLR_B brings MSC_A TLDN1 in position application response message;
Step 38, speech channel is routed to MSC_B by TLDN1 by MSC_A;
Step 39, call setup;
Step 40, rear calling of having conversed discharges;
Step 41, MSC_A notifies HLR_A forward conversation end to HLR_A transmission transferred number application (TRANUMREQ) at DN place, and wherein parameter RedirectionReason value is 9 (this value is protocol extension, represents Call Forward);
Step 42, after HLR_A receives transferred number application, finds that parameter RedirectionReason value is 9, then the forward number of times of user B is subtracted one, and return transferred number application response to MSC_A.
In above-mentioned steps 33, if HLR finds that the forward number of times of DN user is equal to or greater than the maximum forward number of times of current system permission, then give MSC_A home position application response, wherein parameter AccessDeniedReason value is 4 (Termination Denied).
By the embodiment of the present invention is known compared with the forward flow process of standard agreement, the inventive method is coordinated together by the attaching position register (HLR) of standard and mobile management center (MSC) and controls user's forward number of times, thus effectively can reduce spreading unchecked of malice forward, reach the object of Protection of consumer rights and interests; And just standard agreement is carried out to the expansion of relevant parameter, make full use of Internet resources, save system cost.
As shown in Figure 6, one embodiment of the invention proposes a kind of system of the limiting concurrent forwarding based on the NO7 network configuration shown in Fig. 1, comprise MSC501 and HLR502 be in same core net, terminal 503 accesses to core net by wireless network and is connected with MSC501, wherein:
In the present embodiment, terminal 503 is specially mobile terminal.
In the present embodiment, MSC501 is used for according to terminal 503 call request to HLR502 launch position solicitation message;
HLR502 for receive MSC501 initiate position solicitation message after, the current forward counting obtaining called number and the forward count threshold preset, when current forward counting is more than or equal to default forward count threshold, HLR returns refusal response message to MSC, forbids the forward of called number.
Identical with the forward flow process of existing standard agreement, when terminal 503 is called out for being set up by core net and called number place object terminal, terminal 503 is to the MSC501 request of making a call at its place, called number is carried in this call request, the call request that MSC501 initiates according to terminal, to HLR502 launch position solicitation message, so that for terminal 503 is set up with the calling of called number or when called number contracts Call Forwarding Unconditional, for terminal 503 sets up the calling with the current corresponding transferred number of called number.The present embodiment is suitable for the application scenarios that called number is signing Call Forwarding Unconditional, also be applicable to the application scenarios that called number is signing conditional forwarding simultaneously, when called number is contracted conditional forwarding (such as divert when busy, Call Forwarding No Reply etc.), then HLR receives the transferred number solicitation message that caller MSC sends, and wherein has two kinds of situations: 1. calling and called are at same MSC; 2. calling and called are at different MSC, for the first situation, caller MSC directly sends transferred number solicitation message to called HLR, for the second situation, then called MS C can send changed course and exhales solicitation message to caller MSC again, send transferred number solicitation message to called HLR by caller MSC again, and judge the current forward of called number counts whether be less than default forward count threshold by called HLR according to transferred number solicitation message.
In order to effectively limit the number of times of called number concurrent forwarding, the present embodiment is compared by the forward count threshold counting the current forward of called number and preset and controls call establishment.Particularly, to contract Call Forwarding Unconditional for called number, after receiving position solicitation message, HLR502 judges the whether signing Call Forwarding Unconditional of called number and meets forward condition, if so, then judge whether the forward counting of called number is less than default forward count threshold, if, then current transferred number corresponding for called number is carried in position application response message and is sent to MSC501 by HLR502, and the current forward counting of called number is added one; Otherwise when current forward counting is more than or equal to default forward count threshold, HLR502 returns refusal response message to MSC501, forbids the forward of called number, and report and alarm message.
When current forward counting is less than default forward count threshold, MSC501 by terminal 503 call proceeding extremely current transferred number, sets up calling according to the position application response message received; When after calling release, MSC501 sends transferred number solicitation message to HLR502, and notice HLR502 forwarded calls terminates.After HLR502 receives the transferred number solicitation message of MSC501 transmission, the current forward counting of called number is subtracted one, and returns transferred number application response message to MSC501.In the present embodiment, forward comprises domestic forward and/or international forward.
The method and system of the limiting concurrent forwarding that the embodiment of the present invention proposes, to be coordinated with mobile switching centre (MSC) by standard attaching position register (HLR) and user's forward number of times is controlled, thus effectively reduce spreading unchecked of malice forward; Report and alarm is carried out to some suspicious numbers, effectively can stop the generation of the behavior of fraudulent user, improve user's safety in utilization, reach the object of Protection of consumer rights and interests.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (6)
1. a method for limiting concurrent forwarding, is characterized in that, comprising:
Moving exchanging center MSC is to attaching position register HLR launch position solicitation message;
After described HLR receives position solicitation message, the current forward counting obtaining called number and the forward count threshold preset, when described current forward counting is more than or equal to default forward count threshold, HLR returns refusal response message to MSC;
After HLR receives position solicitation message, HLR judges the whether signing Call Forwarding Unconditional of described called number and meets forward condition, if so, then performs and judges whether the current forward counting of called number is less than the step of default forward count threshold; Otherwise HLR receives the transferred number solicitation message that caller MSC sends, and judge whether the current forward counting of called number is less than default forward count threshold according to described transferred number solicitation message; If judge that the current forward counting of called number is less than default forward count threshold, then
Current transferred number corresponding for described called number is carried in position application response message and is sent to MSC by HLR, and the current forward counting of called number is added one;
Terminal call continues to current transferred number according to the position application response message received by MSC, sets up calling;
The conditional forwarding if called number is contracted, then when HLR receives the transferred number solicitation message of caller MSC transmission, if calling and called are at same MSC, then caller MSC directly sends transferred number solicitation message to called HLR; If calling and called are at different MSC, then called MS C can send changed course and exhales solicitation message to caller MSC again, send transferred number solicitation message to called HLR by caller MSC again, and judge the current forward of called number counts whether be less than default forward count threshold by called HLR according to transferred number solicitation message.
2. method according to claim 1, is characterized in that, also comprises after described foundation calling:
When after calling release, MSC sends transferred number solicitation message to HLR, and notice HLR forwarded calls terminates;
The forward of called number counting is subtracted one by HLR, and returns transferred number application response message to MSC.
3. method according to claim 1, is characterized in that, when described current forward counting is more than or equal to default forward count threshold, HLR also comprises after MSC returns the step of refusal response message:
HLR sends forward trap warning information to alarm platform.
4. a system for limiting concurrent forwarding, is characterized in that, comprises MSC and HLR be in same core net, and terminal accesses to described core net by wireless network, wherein:
Described MSC, for described HLR launch position solicitation message;
Described HLR, for receive described MSC initiate position solicitation message after, the current forward counting obtaining called number and the forward count threshold preset, when described current forward counting is more than or equal to default forward count threshold, HLR returns refusal response message to MSC;
Described HLR, also for after receiving position solicitation message, judge that the current forward counting of called number is less than default forward count threshold, then current transferred number corresponding for described called number is carried in position application response message and is sent to MSC, and the current forward counting of called number is added one;
Described MSC, also for continuing to current transferred number according to the position application response message received by terminal call, sets up calling; Described HLR, also for after receiving position solicitation message, judges the whether signing Call Forwarding Unconditional of described called number and meets forward condition, if so, then judges whether the forward counting of called number is less than default forward count threshold; Otherwise HLR receives the transferred number solicitation message that caller MSC sends, and judge whether the current forward counting of called number is less than default forward count threshold according to described transferred number solicitation message, and
The conditional forwarding if called number is contracted, then when HLR receives the transferred number solicitation message of caller MSC transmission, if calling and called are at same MSC, then caller MSC directly sends transferred number solicitation message to called HLR; If calling and called are at different MSC, then called MS C can send changed course and exhales solicitation message to caller MSC again, send transferred number solicitation message to called HLR by caller MSC again, and judge the current forward of called number counts whether be less than default forward count threshold by called HLR according to transferred number solicitation message.
5. system according to claim 4, is characterized in that, described HLR also for when after calling release, receives the transferred number solicitation message that MSC sends, and the current forward counting of called number is subtracted one, and returns transferred number application response message to MSC;
Described MSC, also for when after calling release, sends transferred number solicitation message to HLR, and notice HLR forwarded calls terminates.
6. system according to claim 4, is characterized in that, described HLR also for when described current forward counting is more than or equal to default forward count threshold, after returning refusal response message, sends forward trap warning information to alarm platform to MSC.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110044779.3A CN102123397B (en) | 2011-02-24 | 2011-02-24 | Method and system for limiting concurrent forwarding |
| PCT/CN2012/070665 WO2012113278A1 (en) | 2011-02-24 | 2012-01-20 | Method and system for limiting concurrent forwarding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110044779.3A CN102123397B (en) | 2011-02-24 | 2011-02-24 | Method and system for limiting concurrent forwarding |
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| Publication Number | Publication Date |
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| CN102123397A CN102123397A (en) | 2011-07-13 |
| CN102123397B true CN102123397B (en) | 2015-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110044779.3A Expired - Fee Related CN102123397B (en) | 2011-02-24 | 2011-02-24 | Method and system for limiting concurrent forwarding |
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| CN (1) | CN102123397B (en) |
| WO (1) | WO2012113278A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105101126B (en) * | 2014-04-29 | 2018-10-30 | 杭州华为企业通信技术有限公司 | Outgoing call detection method, apparatus and system |
| CN115484564B (en) * | 2021-05-31 | 2023-11-17 | 中国移动通信集团重庆有限公司 | Reminding method, reminding device, reminding system, electronic equipment and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0879542B1 (en) * | 1996-02-06 | 2004-09-15 | Nokia Corporation | Method and arrangement for limiting paging load in a mobile communication system |
| CN101043751A (en) * | 2007-03-28 | 2007-09-26 | 华为技术有限公司 | Method and system for restraining calling transfer |
| CN101646147A (en) * | 2009-09-11 | 2010-02-10 | 中兴通讯股份有限公司 | Method for crossing call forward time limitation and mobile switching center simulation entity |
| CN101674556A (en) * | 2009-09-27 | 2010-03-17 | 中兴通讯股份有限公司 | Method and system for monitoring roaming out of net of mobile users to launch nuisance calls |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7171221B1 (en) * | 1999-12-20 | 2007-01-30 | Cingular Wirelesss Ii, Llc | System and method for automatically transferring a call from a first telephone to a designated telephone in close proximity |
-
2011
- 2011-02-24 CN CN201110044779.3A patent/CN102123397B/en not_active Expired - Fee Related
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2012
- 2012-01-20 WO PCT/CN2012/070665 patent/WO2012113278A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0879542B1 (en) * | 1996-02-06 | 2004-09-15 | Nokia Corporation | Method and arrangement for limiting paging load in a mobile communication system |
| CN101043751A (en) * | 2007-03-28 | 2007-09-26 | 华为技术有限公司 | Method and system for restraining calling transfer |
| CN101646147A (en) * | 2009-09-11 | 2010-02-10 | 中兴通讯股份有限公司 | Method for crossing call forward time limitation and mobile switching center simulation entity |
| CN101674556A (en) * | 2009-09-27 | 2010-03-17 | 中兴通讯股份有限公司 | Method and system for monitoring roaming out of net of mobile users to launch nuisance calls |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012113278A1 (en) | 2012-08-30 |
| CN102123397A (en) | 2011-07-13 |
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