CN100579286C - Method for limiting caller line recognition - Google Patents
Method for limiting caller line recognition Download PDFInfo
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- CN100579286C CN100579286C CN200710145759A CN200710145759A CN100579286C CN 100579286 C CN100579286 C CN 100579286C CN 200710145759 A CN200710145759 A CN 200710145759A CN 200710145759 A CN200710145759 A CN 200710145759A CN 100579286 C CN100579286 C CN 100579286C
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Abstract
The invention provides a method of Calling Line Identification Restriction (CLIR), comprising the following steps: A), a user terminal submits a call request to a network side with an enabled CLIR identifier arranged in the call request message; B), a Visitor Mobile Switching Center (VMSC) of the network side receives the call request message from the user terminal, and sends the message to a Visitor Location Register (VLR); C), when identifying a unlicensed CLIR from the user terminal but the CLIR identifier is enabled, the VLR acknowledges the VMSC to determine if the calling can proceed according to the preset identifier by a network operator. The invention has the advantage that the method increases call completing rate when a user makes a call with the CLIR identifier enabled but not licensed.
Description
Technical field
The present invention relates to the communications field, particularly a kind of method of restriction of originating calls identification of lines.
Background technology
At present for restriction of originating calls identification of lines (Calling Line Identification Restriction, CLIR) supplementary service realizes by following three kinds of modes: (Home LocationRegister HLR) goes up signatory CLIR and can select perpetual model, temporary mode or signatory mode not the user at attaching position register.Wherein, the purpose of user signatory CLIR on HLR is in order to be limited in called user terminal display of calling number.Be illustrated in figure 1 as existing schematic network structure, comprise in this network: terminal (MobileStation, MS), Visited Mobile Switching Center (Visitor Mobile-services Switching Center, VMSC), VLR Visitor Location Register (Visitor Location Register, VLR), gateway MSC (Gateway MSC, GMSC) and HLR.
Below, the network processes flow process under above-mentioned 3 kinds of signatory modes is described respectively:
First kind of situation: if the user signs perpetual model and the user attempts to carry the sign that suppresses the CLIR business in call request, promptly ask call line identification CLI, then suppress and to finish, the call line identification state still is restriction, call out to continue, see shown in Figure 2ly, idiographic flow is as follows:
S201 sends out call request to network side on the user terminal, and enables sign at the mid-CLIR of call request message;
S202, the mobile switching centre of visited network receive after the call request that user terminal puts forward, and send user information request to VLR Visitor Location Register, allow it judge the state of CLIR;
S203, VLR Visitor Location Register judge earlier the signatory information of CLIR for enabling and being permanent state, and then VLR Visitor Location Register judges that no longer the CLI sign that call request is brought up enables or do not enable, and directly think the user CLIR that contract, the calling continuation;
S204, VLR Visitor Location Register return the mobile switching centre of user profile to visited network, and CLIR is for signatory, and promptly the call line identification state is restriction, and allows calling continue;
S205 when the mobile switching centre of visited network need send setup requests to the mobile switching centre of the visited network at called place, carries the call line identification state and is restriction, calls out and continues;
Second kind of situation: if the user signs temporary mode, the user can change the state of CLIR in call request, promptly ask CLI demonstration or request CLI not to show, VLR Visitor Location Register decides the call line identification state according to the sign of the CLI in the call request, and flow process is not being repeated as Fig. 2 substantially;
The third situation: in 3GPP TS 24.081 agreements, stipulate, if it is that the call line identification state is not for limiting that the user does not sign the CLIR supplementary service, but attempt in call request, to change the call line identification state and be restriction, the user enables the CLIR failure voluntarily, the trial of call request will be rejected, as shown in Figure 3, idiographic flow is as follows:
S301 sends out call request to network side on the user terminal, and enables sign at the mid-CLIR of call request message;
S302, the mobile switching centre of visited network receive that after the call request that user terminal puts forward, hair family information request is given VLR Visitor Location Register, allows it judge the state of CLIR;
S303, VLR Visitor Location Register judge that earlier the signatory information of CLIR is the not enabled state, and have carried the sign of enabling CLIR in the call request, and VLR Visitor Location Register just thinks that the user will call CLIR under not signatory CLIR situation, and calling makes mistakes;
S304, VLR Visitor Location Register return the mobile switching centre that user profile is given visited network, and carry to call out and make mistakes former because the business of request is not signed;
S305, the mobile switching centre of visited network send call release to user terminal, the trial of refusal call request, and carry error reason and do not sign for the business of request;
In a word, in actual process, the user is signatory CLIR in attaching position register, and network just thinks that caller has just had the ability that limits called subscriber's display of calling number as user as caller the time; And do not have signatory user just not have the ability of CLIR, if at this moment the user by on be dealt into core net call request carry sign and call CLIR, just when network does not have the authorised user that the CLIR ability is arranged, user or terminal are carried request cnable CLIR (carrying the CLIRInvocation sign in call request message) voluntarily, this calling meeting is refused by core net, calling will be released, therefore, carry simultaneously the situation that sign requires to call CLIR again for signatory CLIR, can cause call completing rate reduction or this terminal not by Web-compatible.
Summary of the invention
The objective of the invention is to, a kind of method of restriction of originating calls identification of lines is provided, do not influencing under the approval situation of network to the signatory state of user's CLIR, can improve because user not signing CLIR but call completing rate when enabling the CLIR sign in call request reduce or improve this terminal not by the situation of compatibility.
The method of restriction of originating calls identification of lines of the present invention comprises the following steps:
Steps A: send out call request on the user terminal to network side, and enable sign at the mid-restriction of originating calls identification of lines of call request message CLIR;
Step B: the Visited Mobile Switching Center of network side is sent to VLR Visitor Location Register with described request information after receiving the call request message that described user terminal sends;
Step C: discern the not signatory CLIR of described user terminal at described VLR Visitor Location Register, and carried in the call request message when enabling the CLIR sign, then notify Visited Mobile Switching Center determine whether to allow to call out and continue according to Virtual network operator default sign in Visited Mobile Switching Center.
Wherein, described Virtual network operator is default being designated in Visited Mobile Switching Center, Virtual network operator is after gathering, add up current network information, and the call completing rate that requires according to current network and/or to the requirement of terminal transparency determines whether to allow and calls out the sign that continues.
Wherein, the described call completing rate that requires according to current network and/or to the requirement of terminal transparency determines whether to allow to call out and continues to comprise, when reaching the call completing rate that current network requires or requiring terminal compatible, the notice VLR Visitor Location Register is connected.
In addition, the described call completing rate that requires according to current network and/or to the requirement of terminal transparency determines whether to allow to call out and continues to comprise, when not reaching the call completing rate that current network requires or not requiring that terminal is compatible, the notice VLR Visitor Location Register will not be connected.
Wherein, describedly be designated 0 and 1, wherein, the signatory CLIR of 0 expression caller and in the request message that makes a call, require the restriction of originating calls number to show that network is enabled under the situation of CLIR failure voluntarily the user, will not connect, calling is released; The signatory CLIR of 1 expression caller still requires the restriction of originating calls number to show that network is enabled under the situation of CLIR failure voluntarily the user, is connected this calling in the request message that makes a call.
The invention has the beneficial effects as follows: according to the method for restriction of originating calls identification of lines of the present invention, the call completing rate that requires according to current network by Virtual network operator and/or to the requirement of terminal transparency, whether the notice VLR Visitor Location Register is connected, realized when user not signing CLIR but when in call request, enabling the CLIR sign, allow operator determine whether to allow the user under the situation of enabling the CLIR failure voluntarily according to actual conditions, allow call out and continue, to improve call completing rate.
Description of drawings
Fig. 1 is existing schematic network structure;
Fig. 2 has contracted CLIR but carry in the call request when enabling the CLIR sign for caller, the flow chart that call line identification is judged;
Fig. 3 is the signatory CLIR of caller, but carries in the call request when enabling the CLIR sign, to the flow chart of call line identification judgement;
Fig. 4 is the signatory CLIR of the caller of the embodiment of the invention, and is designated at 0 o'clock, to the schematic flow sheet of call line identification judgement;
Fig. 5 is the signatory CLIR of the caller of the embodiment of the invention, and is designated at 1 o'clock, to the schematic flow sheet of call line identification judgement.
Embodiment
Below, with reference to the method for figure 1～5 detailed description restriction of originating calls identification of lines of the present invention.
Core concept of the present invention is: carry the user that sign requires to call CLIR simultaneously again for not signatory CLIR, flow process not according to the existing protocol regulation realizes, but determine it is by the protocol operation call release by operator, still allow call out and continue, thereby satisfy the demand of operator, improve call completing rate, satisfy the compatibility requirement of some mobile phone simultaneously.
For this reason, the method for restriction of originating calls identification of lines of the present invention comprises the following steps:
Step 100: send out call request on the user terminal to network side, and enable sign at the mid-CLIR of call request message;
Step 200: the Visited Mobile Switching Center of network side is sent to VLR Visitor Location Register with described request information after receiving the call request message that described user terminal sends;
Step 300: discern the not signatory CLIR of described user terminal at described VLR Visitor Location Register, and carried in the call request message when enabling the CLIR sign, the user enables the CLIR failure voluntarily, and the notice Visited Mobile Switching Center determines whether to allow to call out according to Virtual network operator default sign in Visited Mobile Switching Center and continues.
Wherein, Virtual network operator is default being designated in Visited Mobile Switching Center, Virtual network operator is after gathering, add up current network information, and the call completing rate that requires according to current network and/or to the requirement of terminal transparency determines whether to allow and calls out the sign that continues.
The call completing rate higher (for example more than or equal to 95%) that requires in current network or when requiring terminal compatible, the notice VLR Visitor Location Register is connected; The call completing rate lower (for example less than 95%) that requires in current network or when not requiring that terminal is compatible, the notice VLR Visitor Location Register will not be connected.
In addition, after the notice VLR Visitor Location Register is connected, further comprise the following steps:
VLR Visitor Location Register returns the mobile switching centre that user profile is given visited network, and CLIR promptly allows Calling Line Identification Presentation for not signatory, and allows calling continue;
When the mobile switching centre of visited network need send setup requests to the mobile switching centre of the visited network at called place, carry the sign of call line identification value for not limiting, call out and continue.
After the notice VLR Visitor Location Register will not be connected, further comprise the following steps:
VLR Visitor Location Register returns user profile and gives Visited Mobile Switching Center, and carries to call out and make mistakes former because not signatory CLIR business;
Visited Mobile Switching Center sends call release to user terminal, the trial of refusal call request, and carry error reason and be the CLIR business of contracting.
When specific implementation, be provided for showing whether allowing and call out the sign of passing through that wherein, this sign can realize by global variable is set in advance among the Visited Mobile Switching Center VMSC Server in network.For example, but this sign value is 0 and 1, and wherein, 0 expression caller is contracted CLIR and required the restriction of originating calls number to show in the request message that makes a call, and the user enables the CLIR failure voluntarily, will not connect, and calling is released; The signatory CLIR of 1 expression caller still requires the restriction of originating calls number to show that the user enables the CLIR failure voluntarily, but is connected in the request message that makes a call, and caller is signatory CLIR state, so caller ID display.
Particularly, as shown in Figure 4, be the not signatory CLIR of the caller of the embodiment of the invention, and be designated at 0 o'clock that the schematic flow sheet to call line identification is judged comprises the following steps:
S401 sends out call request to network side on the user terminal, and enables sign at the mid-CLIR of call request message;
S402, the mobile switching centre of visited network receive that after the call request that user terminal puts forward, hair family information request is given VLR Visitor Location Register, allows it judge the state of CLIR;
S403, VLR Visitor Location Register judges that earlier the signatory information of CLIR is the not enabled state, and carried the sign of enabling CLIR in the call request, the value that inquires global variable again is 0, VLR Visitor Location Register just thinks that the user will call CLIR under not signatory CLIR situation, the user enables the CLIR failure voluntarily, and calling makes mistakes;
S404, VLR Visitor Location Register return the mobile switching centre that user profile is given visited network, and carry to call out and make mistakes former because the business of request is not signed;
S405, the mobile switching centre of visited network send call release to user terminal, the trial of refusal call request, and carry error reason and do not sign for the business of request.
As shown in Figure 5, be the not signatory CLIR of the caller of the embodiment of the invention, and be designated at 1 o'clock that the schematic flow sheet to call line identification is judged comprises the following steps:
S501 sends out call request to network side on the user terminal, and enables sign at the mid-CLIR of call request message;
S502, the mobile switching centre of visited network receive that after the call request that user terminal puts forward, hair family information request is given VLR Visitor Location Register, allows it judge the state of CLIR;
S503, VLR Visitor Location Register judges that earlier the signatory information of CLIR is the not enabled state, and carried the sign of enabling CLIR in the call request, the user enables the CLIR failure voluntarily, the value that inquires global variable again is 1, VLR Visitor Location Register just neglects the CLIR sign in the call request, is as the criterion by the signatory situation of CLIR in the attaching position register, thinks that CLIR is signatory state (just not restriction of originating calls identification of lines);
S504, VLR Visitor Location Register return the mobile switching centre that user profile is given visited network, and CLIR promptly allows Calling Line Identification Presentation for not signatory, and allow calling continue;
S505 when the mobile switching centre of visited network need send setup requests to the mobile switching centre of the visited network at called place, carries the call line identification value for not limiting, and calls out and continues.
In sum, method according to restriction of originating calls identification of lines of the present invention, the call completing rate that requires according to current network by Virtual network operator and/or to the requirement of terminal transparency, whether the notice VLR Visitor Location Register is connected, realized when user not signing CLIR but in call request, enabled CLIR indicating that this user enables under the situation of CLIR failure voluntarily, allow operator determine whether to allow to call out and continue, to improve call completing rate according to actual conditions.
More than be in order to make those of ordinary skills understand the present invention; and to detailed description that the present invention carried out; but can expect; in the scope that does not break away from claim of the present invention and contained, can also make other variation and modification, these variations and revising all in protection scope of the present invention.
Claims (4)
1. the method for a restriction of originating calls identification of lines is characterized in that, comprises the following steps:
Steps A: send out call request on the user terminal to network side, and enable sign at the mid-restriction of originating calls identification of lines of call request message CLIR;
Step B: the Visited Mobile Switching Center of network side is sent to VLR Visitor Location Register with described request information after receiving the call request message that described user terminal sends;
Step C: discern the not signatory CLIR of described user terminal at described VLR Visitor Location Register, and carried in the call request message when enabling the CLIR sign, described VLR Visitor Location Register notice Visited Mobile Switching Center determines whether to allow to call out according to Virtual network operator default sign in Visited Mobile Switching Center and continues; Wherein, described Virtual network operator is default being designated in Visited Mobile Switching Center: Virtual network operator is after gathering, add up current network information, the call completing rate that requires according to current network and/or to the requirement of terminal transparency determines whether to allow and calls out the sign that continues.
2. the method for restriction of originating calls identification of lines as claimed in claim 1, it is characterized in that, the described call completing rate that requires according to current network and/or to the requirement of terminal transparency, determine whether to allow to call out and continue to comprise: when reaching the call completing rate that current network requires or requiring terminal compatible, the notice VLR Visitor Location Register is connected.
3. the method for restriction of originating calls identification of lines as claimed in claim 1, it is characterized in that, the described call completing rate that requires according to current network and/or to the requirement of terminal transparency, determine whether to allow to call out and continue to comprise: when not reaching the call completing rate that current network requires or not requiring that terminal is compatible, the notice VLR Visitor Location Register will not be connected.
4. the method for restriction of originating calls identification of lines as claimed in claim 1, it is characterized in that, describedly be designated 0 and 1, wherein, 0 expression caller is contracted CLIR and is required the restriction of originating calls number to show in the request message that makes a call, network is enabled under the situation of CLIR failure voluntarily the user, will not connect, and calling is released; The signatory CLIR of 1 expression caller still requires the restriction of originating calls number to show that network is enabled under the situation of CLIR failure voluntarily the user, is connected in the request message that makes a call.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710145759A CN100579286C (en) | 2007-09-05 | 2007-09-05 | Method for limiting caller line recognition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710145759A CN100579286C (en) | 2007-09-05 | 2007-09-05 | Method for limiting caller line recognition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101146359A CN101146359A (en) | 2008-03-19 |
| CN100579286C true CN100579286C (en) | 2010-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710145759A Expired - Fee Related CN100579286C (en) | 2007-09-05 | 2007-09-05 | Method for limiting caller line recognition |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2391750A (en) * | 2002-08-06 | 2004-02-11 | Nec Technologies | Personal calling line identification control for mobile |
| EP1168782A3 (en) * | 2000-06-21 | 2004-09-15 | Tenovis GmbH & Co. KG | Caller identification method |
| CN1588967A (en) * | 2004-09-14 | 2005-03-02 | 北京邮电大学 | Main call number display processing method and system based on mobile intelligent network |
| CN1882110A (en) * | 2006-02-28 | 2006-12-20 | 华为技术有限公司 | Device, system and method for realizing calling number display limitation function |
-
2007
- 2007-09-05 CN CN200710145759A patent/CN100579286C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1168782A3 (en) * | 2000-06-21 | 2004-09-15 | Tenovis GmbH & Co. KG | Caller identification method |
| GB2391750A (en) * | 2002-08-06 | 2004-02-11 | Nec Technologies | Personal calling line identification control for mobile |
| CN1588967A (en) * | 2004-09-14 | 2005-03-02 | 北京邮电大学 | Main call number display processing method and system based on mobile intelligent network |
| CN1882110A (en) * | 2006-02-28 | 2006-12-20 | 华为技术有限公司 | Device, system and method for realizing calling number display limitation function |
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| CN101146359A (en) | 2008-03-19 |
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