CN102665185A - Method, device and system for opening call forwarding service - Google Patents
Method, device and system for opening call forwarding service Download PDFInfo
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Abstract
The embodiment of the invention discloses a method, a device and a system for opening a call forwarding service. When a subscriber number is called in a roaming country and is busy, a forwarding number of the subscriber number in the roaming country is connected, so that roaming fee is not generated, and the call charge of a subscriber is saved. The method in the embodiment of the invention comprises the following steps that: a service system receives a request which is used for opening a call forwarding function of a mobile phone of the subscriber in the roaming country, wherein the request carries the forwarding number of the subscriber number in the roaming country; and a special number which meets the requirement of a country to which the subscriber number belongs is transmitted to a home location register (HLR) of the mobile phone of the subscriber, and the HLR is instructed to set the forwarding number of the subscriber number as the special number, wherein the special number is used for triggering the call forwarding service of the mobile phone of the subscriber in the roaming country.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method, Apparatus and system of opening Call Forwarding services.
Background technology
One-card multi-number (SIMM; Single IMSI Multi MSISDN) business is meant that the user uses a user identification module card (SIM, Subscriber Identity Module SIM); Do not changing mobile phone, do not changing under the situation of card and just have a plurality of international mobile subscriber identity (IMSI; International Mobile Subscriber Identity) and international integrated services digital network (ISDN, the Integrated Services Digital Network) number (MSISDN, Mobile Station International ISDN Number) of a plurality of travelling carriage; Comprise main number and several the subsequent use minor numbers of activating; Wherein, minor number can be existing number, also can be the number of new application.After the user opens this business, can select as required that arbitrary number in the major-minor number is conversed, short message receiving-transmitting, thereby be implemented in different time, different occasions are used the hope of jack per stations.This business has mainly satisfied following user's demand: come the user of scopes such as differentiation work, life, friend with different numbers for needs, removed the trouble of carrying multiple SIM card or many mobile phones from; Need frequently go on business can keep original number when the other places perhaps will go to the nonlocal roamer who learns, works to hope to use the strange land number to roam rate to reduce, but also the trouble that the frequent change SIM perhaps carries many mobile phones is avoided in hope; From special requirement (as rent a house etc.), need short-term to use the user of other numbers.
In the current mobile service; The user at the preceding commentaries on classics limited ability of roaming country in the limitation of operator; Transferred number generally all can only allow to be provided with the number of this country, and the international roaming user just can only be provided with the international roaming number as transferred number so, and the international roaming expense is higher.
Summary of the invention
The embodiment of the invention provides a kind of method, Apparatus and system of opening Call Forwarding services; In order to the transferred number of user at roaming country to be set, when roaming country calling party number chance was busy, the transferred number of this user at roaming country continued; Thereby do not produce roaming charges, save cost of the phone call.
The embodiment of the invention provides a kind of method of opening Call Forwarding services, comprising: operation system receives and is used to open the request of user at the call forwarding function of roaming country, carries the transferred number of said user at roaming country in the described request; Store the transferred number of said user at roaming country; And send to said user's homing user position register HLR and to meet the special number that user attaching state requires; Indicate the said user's of said HLR transferred number to be set to said special number, said special number is used to trigger the Call Forwarding services of said user at roaming country.
Preferably; Said operation system receives and is used to open the user and before the request of the call forwarding function of roaming country, comprises: user's Visited Mobile Switching Center VMSC receives user terminal and is used to open the request of user at the call forwarding function of roaming country through what unstructured supplementary service data USSD initiated, and according to the USSD sign indicating number in the described request described request is forwarded to operation system.
Preferably; If said user is the one-card multi-number user, and at roaming country use minor number, state uses major number in ownership; Said method also comprises: the one card multi-number business that operation system is contracted according to said user is confirmed said user's major number; To the business datum that said HLR inquires about said major number,, then preserve the transferred number of said major number if said major number has been provided with transferred number; Said homing user position register HLR to said user sends and meets the special number that user attaching state requires; Indicating the said user's of said HLR transferred number to be set to said special number comprises: operation system is sent activation trace Mode A TMOD signaling to said HLR; Carry said major number and special number in the said ATMOD signaling, indicate the transferred number in the said HLR major number business datum to be set to said special number.
Preferably; Also comprise: when operation system receives when being used to cancel the request of user at the call forwarding function of roaming country; Extract the transferred number of the major number of preserving; The transferred number of said major number is sent to said HLR, indicates transferred number in the said HLR major number business datum to be set to the transferred number of said major number.
Preferably, also comprise: the said user's of said HLR transferred number is set to said special number, and is updated among said user's the VLR Visitor Location Register VLR; As said user during at the roaming country bid, said user's Visited Mobile Switching Center VMSC according to the special number of storing among the said VLR with call to the operation system of handling Call Forwarding services; Operation system is obtained the transferred number of user at roaming country, indicates said VMSC that the transferred number of said user at roaming country arrived in said call proceeding.
The embodiment of the invention provides a kind of operation system, comprising: receiving element, and be used to receive and be used to open the request of user at the call forwarding function of roaming country, carry the transferred number of said user in the described request at roaming country; Memory cell is used to store the transferred number of said user at roaming country; Transmitting element; Be used for sending the special number that meets the requirement of user attaching state to said user's homing user position register HLR; Indicate the said user's of said HLR transferred number to be set to said special number, said special number is used to trigger the Call Forwarding services of said user at roaming country.
Preferably, said operation system also comprises: confirm the unit, be used for confirming according to the one card multi-number business that said user contracts said user's major number; Query unit is used for inquiring about to said HLR the business datum of said major number; Said memory cell also is used for then preserving the transferred number of said major number if said major number has been provided with transferred number.
Preferably; Said transmitting element; Specifically be used for sending activation trace Mode A TMOD signaling, carry said major number and special number in the said ATMOD signaling, indicate the transferred number in the said HLR major number business datum to be set to said special number to said HLR.
Preferably, said operation system also comprises: extraction unit is used for extracting the transferred number of the major number of preserving when receiving when being used to cancel the request of user at the call forwarding function of roaming country; Said transmitting element also is used for the transferred number of said major number is sent to said HLR, indicates the transferred number of stating in the HLR major number business datum to be set to the transferred number of said major number.
The embodiment of the invention provides a kind of system that opens Call Forwarding services, comprising: operation system, and be used to receive and be used to open the request of user at the call forwarding function of roaming country, carry the transferred number of said user in the described request at roaming country; Store the transferred number of said user at roaming country; And send to said user's homing user position register HLR and to meet the special number that user attaching state requires; Indicate the said user's of said HLR transferred number to be set to said special number, said special number is used to trigger the Call Forwarding services of said user at roaming country; Visited Mobile Switching Center is used to receive user terminal and is used to open the request of user at the call forwarding function of roaming country through what unstructured supplementary service data USSD initiated, and according to the USSD sign indicating number in the described request described request is forwarded to operation system; Homing user position register, the transferred number that is used for said user is set to said special number, and is updated among said user's the VLR Visitor Location Register VLR.
Can find out from above technical scheme; The embodiment of the invention has the following advantages: operation system receives and opens the request of user at the call forwarding function of roaming country, carries the transferred number of this user at roaming country in this request, sends to this user's HLR to meet the special number that user attaching state requires; Indicate this this user's of HLR transferred number to be set to the special number that this meets the requirement of user attaching state; Can avoid the call business restriction of the ownership state system of Subscriber Number, and then trigger the Call Forwarding services of this user, because call through is the local transferred number of roaming country at roaming country; And do not produce wandering fee, thereby save cost of the phone call.
Description of drawings
Fig. 1 is an embodiment sketch map of the method for opening Call Forwarding services in the embodiment of the invention;
Fig. 2 is another embodiment sketch map of the method for opening Call Forwarding services in the embodiment of the invention;
Fig. 3 opens the flow chart that the transferred number of countermark is set in the method for Call Forwarding services for the one-card multi-number user in the embodiment of the invention;
Fig. 4 opens the flow chart that triggers the transferred number of countermark in the method for Call Forwarding services for the one-card multi-number user in the embodiment of the invention;
Fig. 5 is an embodiment sketch map of the device of opening Call Forwarding services in the embodiment of the invention;
Fig. 6 is another embodiment sketch map of the device of opening Call Forwarding services in the embodiment of the invention;
Fig. 7 is an embodiment sketch map of the system that opens Call Forwarding services in the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of method, Apparatus and system of opening Call Forwarding services, is used for the user when roaming country is called out, if this user meets busy this Subscriber Number that then continues at the transferred number of ownership place, saves user's cost of the phone call.Below introduce respectively.
See also Fig. 1, one embodiment comprises of the method for opening Call Forwarding services in the embodiment of the invention:
101, operation system receives and is used to open the request of user at the call forwarding function of roaming country, carries the transferred number of this user at roaming country in this request;
Operation system receives the request of user at the call forwarding function of roaming country of opening; In this request, carry the transferred number of this user at roaming country; This user is after the call forwarding function of roaming country is opened, if call out this user, and this user is temporarily can't answer the time; Trigger this set transferred number according to incoming call, through this transferred number call establishment.
Wherein, Operation system can be seamless roam solution (SRS, a Seamless Roaming Solution) platform, and can be deployed in roaming country; Be used to support the business of roamer at roaming country; Such as, one-card multi-number user can apply for the number of roaming country as minor number, the business relevant with this minor number all can realize in this operation system.
102, store the transferred number of this user at roaming country; And to this user's homing user position register (HLR; Home Location Register) sends the special number that meets the requirement of user attaching state; Indicate this this user's of HLR transferred number to be set to this special number, this special number is used to trigger the Call Forwarding services of this user at roaming country.
Need to prove that the call business access code that the various countries system is supported is different, and is general; The various countries system all judges whether the business supported for national system through some bit digital before the access code; If want to avoid the call business restriction of the ownership state system of Subscriber Number, thus connecting subscribers participating at the transferred number of roaming country, then this transferred number must meet the requirement of user attaching state system; Just allow to be arranged in the user attaching state system (HLR), otherwise ownership state system refusal should be provided with.
In the embodiment of the invention; Operation system receives and opens the request of user at the call forwarding function of roaming country, carries the transferred number of this user at roaming country in this request, sends to this user's HLR to meet the special number that user attaching state requires; Indicate this this user's of HLR transferred number to be set to the special number that this meets the requirement of user attaching state; Can avoid the call business restriction of the ownership state system of Subscriber Number, and then trigger the Call Forwarding services of this user, because call through is to belong to the local transferred number of user's roaming country at roaming country; So do not produce wandering fee, thereby save cost of the phone call.
In embodiments of the present invention, after HLR receives the indication that transferred number is set, the special number during user's transferred number is set to indicate, and be updated in user's the VLR Visitor Location Register (VLR, Visitor Location Register).Concrete, when the user profile among the HLR changes, can send to user's VLR and insert user data (ISD, Insert Subscriber Data) message, the user profile after changing is updated among the VLR.The embodiment of the invention is after HLR has been provided with transferred number, and HLR then triggers more new technological process of existing user profile, sends ISD message to VLR, with the user profile of user in HLR, comprises transferred number, is updated among the VLR.
As user during at the roaming country bid; User's Visited Mobile Switching Center (VMSC; Visited Mobile-services Switching Centre) call is arrived the operation system of handling Call Forwarding services according to stored user information among the VLR (that is special number).Concrete, special number can be to be used to trigger professional prefix, the triggering here can be to carry out DP3 according to prefix to trigger.VMSC specifically comprises call to the operation system of handling Call Forwarding services: VMSC sends to the operation system of handling Call Forwarding services and starts Detection Point (IDP, Initial Detection Point) message.
For ease of understanding; Specify the method for opening Call Forwarding services in the embodiment of the invention with another embodiment below, present embodiment is that example describes with the one-card multi-number user, wherein; This one-card multi-number user uses minor number at roaming country, and state uses major number in ownership.See also Fig. 2, another embodiment of the method for opening Call Forwarding services in the embodiment of the invention comprises:
201, user's Visited Mobile Switching Center receives user terminal and is used to open the request of user at the call forwarding function of roaming country through what unstructured supplementary service data was initiated, and according to the unstructured supplementary service data sign indicating number in this request described request is forwarded to operation system;
User's Visited Mobile Switching Center (VMSC; Visited Mobile-services Switching Centre) receives user terminal through unstructured supplementary service data (USSD; That Unstructured Supplementary Service Data) initiates is used to open the request of user at the call forwarding function of roaming country, and according to the USSD sign indicating number in this request this request is forwarded to operation system.
Particularly, this USSD sign indicating number can comprise the access code of distributing to operation system, and VMSC knows that according to the access code in the USSD sign indicating number these USSD message needs send to operation system.Further, can also comprise the terminal iidentification that to open at the call forwarding function of roaming country in this USSD sign indicating number.As, for the one-card multi-number user is an example, this one-card multi-number user uses minor number at roaming country with user; State uses major number in ownership; If this one-card multi-number user's minor number is 13723712345, when then the user is arranged on the transferred number of the minor number that roaming country uses through user terminal, sends " USSD*101*2*13723712345*# " and give VMSC; Know that according to USSD sign indicating number " 101 " wherein this request need send to the one card multi-number business system by VMSC, and be transmitted to this operation system.The son of giving an example just is convenient to explain in particular digital codes in " USSD*101*2*13723712345*# " " 101 ", " 2 "; Also can be respectively " 201 ", " 3 "; Concrete relevant with user's CAMEL-Subscription-Information with setting, the Virtual network operator of Virtual network operator, do not do concrete qualification here.
202, the operation system one card multi-number business of contracting according to this user is confirmed this user's major number, to the business datum of this major number of the HLR of user attaching state inquiry, if this major number has been provided with transferred number, then preserves the transferred number of said major number;
Operation system receives the request of user at the roaming country call forwarding function of opening; The one card multi-number business of contracting according to this user is confirmed this user's major number; And to the business datum of this major number of the HLR of user attaching state inquiry; If this major number has been provided with transferred number, then preserve the transferred number of this major number.
203, operation system is sent activation trace pattern (ATMOD to this HLR; Activate Trace Mode) signaling; Carry this major number and special number in this ATMOD signaling, indicate the transferred number in this HLR major number business datum to be set to this special number;
Wherein, HLR is when being provided with the transferred number of major number, if this major number has been provided with transferred number, then the transferred number of the major number that has been provided with of HLR change is this special number;
If this major number is not provided with transferred number as yet, then HLR directly this special number be set to the transferred number of major number.
If the user need cancel the call forwarding function at roaming country; Then receive when being used to cancel the request of user when operation system at the call forwarding function of roaming country; Extract the transferred number of the major number of preserving; The transferred number of this major number is sent to this HLR, indicates transferred number in this HLR major number business datum to be set to the transferred number of this major number.
204, this user's of HLR of user ascription area transferred number is set to this special number, and is updated in this user's the VLR Visitor Location Register;
205, as this user during at the roaming country bid, VMSC according to the special number of storing among the VLR with call to the operation system of handling Call Forwarding services;
As this user during at the roaming country bid, for example, user A dials the minor number of one-card multi-number user B; VMSC receives call request; And this calling that continues, when chance is busy in the handshaking procedure, obtain user's transferred number to VLR; The transferred number that here gets access to is a special number, call is arrived the operation system of handling Call Forwarding services according to this special number.
206, operation system is obtained the transferred number of user at roaming country, indicates this VMSC that the transferred number of this user at roaming country arrived in call proceeding.
VMSC with this call to operation system; Operation system is retrieved as the transferred number of storing when minor number is opened call forwarding function according to the minor number of being dialed; And then indicate VMSC that this transferred number is arrived in call proceeding, because this transferred number is the number in user's roaming country, therefore; The user utilizes this transferred number no roaming charges that receive calls, thereby saves cost of the phone call.
For ease of understanding; Describe the flow process that the one-card multi-number user opens Call Forwarding services in detail with specific embodiment below; The one-card multi-number user uses minor number at roaming country in the present embodiment, and state uses major number in ownership, sees also Fig. 3; One-card multi-number user open in the Call Forwarding services through USSD flow setting transferred number (FTN, idiographic flow Forward-To-Number) is following:
301, send the USSD signaling;
One-card multi-number user sends USSD and asks VMSC, and VMSC knows that according to this request this request sends to operation system.Comprise traffic type information and user's dialing number information in this USSD request.
302, analysis, authentication;
Operation system analysis user calling number and type of service, affirmation user calling number is enjoyed the one card multi-number business authority, the authentication success.
303, send random time user's query (ATSI, Any Time Subscriber Interrogation) signaling;
Operation system analyzes the preceding rotating function that customer requirements is provided with minor number through the USSD request, and storage needs the transferred number of setting, sends ATSI inquiry signaling message to user ascription area HLR, the transferred number information that is provided with before the inquiring user major number.
304, send ATSI response (ATSI ACK) signaling;
User ascription area HLR sends ATSI ACK signaling and gives operation system, sends the transferred number information that it is inquired about.
305, preserve the transferred number of major number;
If user's calling number has been provided with transferred number, then operation system is preserved the transferred number of this major number.
306, send the ATMOD signaling;
Operation system is sent the ATMOD signaling message and is given user ascription area HLR, and the transferred number in the indication HLR major number business datum is set to special number.
307, the transferred number of minor number is set;
The transferred number of user ascription area HLR major number is set to special number, if user's calling number has been provided with transferred number, then the transferred number with this calling number changes to special number.
308, send the ISD signaling;
After ownership place HLR upgraded user's transferred number success, sending and inserting user data ISD signaling was special number to the transferred number that user visiting ground VMSC upgrades the user.
309, VMSC sends ISD ACK signaling;
After success was upgraded, VMSC sent ISD ACK signaling and gives ownership place HLR.
310, operation system is sent the USSDACK signaling.
After operation system is received the ATMOD success response message of user ascription area HLR, send the response signaling of USSDACK and give VMSC, notify rotating function setting success before user's minor number by VMSC.
Further; Describe the call flow after call forwarding function is opened in the embodiment of the invention with another embodiment below, present embodiment is that example describes with the one-card multi-number user equally, wherein; This one-card multi-number user uses minor number at roaming country, and state uses major number in ownership.See also Fig. 4, the preceding rotating function idiographic flow that triggers one-card multi-number user minor number is following:
401, VMSC sends the IDP signaling;
One-card multi-number user's minor number is called out, and triggers the called flow of this minor number.VMSC receives this calling; Terminating CAMEL Subscription Information (TCSI according to minor number; Terminating CAMEL Subscription Information) record comprise service control function (SCF; Service Control Functions) address that provides and service key (SK, Service Key) etc. send IDP message in the business of interior business datum triggering operation system to operation system.
402, analysis, authentication;
Operation system is analyzed one-card multi-number user's minor number, confirms that this minor number enjoys one card multi-number business, and the authentication success.
403, operation system is sent RRBE, AC, Connect signaling;
Operation system is sent request report Basic Call State Model BCSM (BCSM; Basic Call State Model) incident (RRBE; Request Report BCSM Event) signaling of signaling, Apply Charging (AC, Application Accounting) signaling, connection (Connect) minor number is given VMSC.
404, VMSC sends the IDP signaling;
VMSC calling party's minor number; The minor number of finding the user is at this moment in the chance busy condition; Then inquires the user and be provided with divert when busy, and the number of divert when busy is special number that VMSC carries out test point (DP according to this special number for this minor number; Detection Point) 3 triggers preceding turn of tidal stream journey, and send IDP message to operation system to operation system.
405, extract transferred number;
Operation system is analyzed turn of tidal stream journey before this minor number, the number conduct that extracting chance that the user was provided with changes before the when busy number that continues.
406, operation system is sent RRBE, AC, Connect signaling;
Operation system is sent the signaling of the transferred number of RRBE signaling, AC signaling, connection (Connect) minor number and is given VMSC.
407, VMSC sends called route (SRI, the Send Routing Information) signaling of getting;
VMSC sends the called route signaling of getting according to the HLR of flow process to user ascription area that continue, and obtains the TCSI information of the number that continues, and triggers the called flow of the number that continues.
408, send the SRIACK signaling;
The HLR of user ascription area sends the called response signaling SRI ACK that gets route and gives VMSC.
409, send the IDP signaling;
VMSC is according to the number that continues, i.e. transferred number, TCSI information carry out DP12 and trigger, send the service control point (SCP, Service Control Point) that the IDP signaling is given the intelligent call system of its ownership place.
410, send RRBE, AC, Connect signaling.
SCP sends RRBE, AC, Connect signaling to VMSC replay call, call setup thus.
Introduce the device of opening Call Forwarding services of the present invention in implementing below, see also Fig. 5, one embodiment comprises of the operation system in the embodiment of the invention:
Receiving element 501 is used to receive and is used to open the request of user at the call forwarding function of roaming country, carries the transferred number of said user at roaming country in the described request;
Memory cell 502 is used to store the transferred number of said user at roaming country;
Transmitting element 503; Be used for sending the special number that meets the requirement of user attaching state to said user's homing user position register HLR; Indicate the said user's of said HLR transferred number to be set to said special number, said special number is used to trigger the Call Forwarding services of said user at roaming country.
During the present invention implemented, the detailed process of the method for opening Call Forwarding services in the technical scheme of the present invention was realized in each unit of operation system, saw also aforementioned embodiment illustrated in fig. 1ly, repeated no more here.
In the embodiment of the invention; Be set to this through the transferred number of indicating this this user of HLR and meet the special number that user attaching state requires; Because this special number meets user attaching state system requirements, can avoid the call business restriction of the ownership state system of Subscriber Number, and then trigger the Call Forwarding services of this user at roaming country; Because call through is to belong to the local transferred number of user's roaming country not produce wandering fee, thereby saves cost of the phone call.
Operation system in the foregoing description can realize with the combination of electronic hardware or computer software and electronic hardware.If the combination with computer software and electronic hardware realizes, particularly, can be to realize through working procedure on computer system, wherein, computer system includes but not limited to the computer system of PC, server etc.
Concrete, computer system can comprise primary processor, memory, storage control, persistent storage device, persistent storage controller, input unit, I/O controller etc.
Primary processor is used for process computer operational order and data.Computer-managed instruction and data can be stored in the memory; As; Realize receiving element 501 in the embodiment of the invention, the instruction and data of transmitting element 503 can be stored in the memory, the instruction in the primary processor execute store; To realize receiving element 501, the function of transmitting element 503.Above-mentioned primary processor is the computer core unit, i.e. central processing unit (CPU, Central Processing Unit).
Storage control is used for operational order and the data that addressing, the said memory of access are stored.Storage control receives the control of said primary processor.
The persistent storage device is used for persistent storage application program, operating system and file data.As, user's business data signed of operation system storage, for example the user can be stored in the persistent storage device at the transferred number of roaming country.This persistent storage device includes but not limited to disk, tape, storage card etc.
The persistent storage controller is used for application program, operating system and the file data of addressing, the said persistent storage device of access.The persistent storage device receives the control of said primary processor.
Input unit includes but not limited to keyboard, mouse, touch-screen etc.
The I/O controller is used to control the input and output of computer system.Said I/O controling appliance body is used for the input of control input device.
Communicator is used for and the miscellaneous equipment communication interaction.As; The receiving element 501 of operation system receives the request of user at the call forwarding function of roaming country of opening through communicator in the embodiment of the invention, and transmitting element 503 is set to said special number through the said user's of communicator indication LR transferred number.
For ease of understanding; Introduce the device of opening Call Forwarding services in the present invention's enforcement in detail with another embodiment below; See also Fig. 6, if the user is the one-card multi-number user, and at roaming country use minor number; State uses major number in ownership, and another embodiment of the operation system in the embodiment of the invention comprises:
Receiving element 601 is used to receive and is used to open the request of user at the call forwarding function of roaming country, carries the transferred number of said user at roaming country in the described request;
Transmitting element 603 is used for sending activation trace Mode A TMOD signaling to said HLR, carries said major number and special number in the said ATMOD signaling, indicates the transferred number in the said HLR major number business datum to be set to said special number.
Need to prove that the operation system in the embodiment of the invention can further include:
Query unit 605 is used for inquiring about to said HLR the business datum of said major number;
Said memory cell 602 also is used for then preserving the transferred number of said major number if said major number has been provided with transferred number;
Further, the operation system in the embodiment of the invention can also comprise:
Transmitting element 603 also is used for the transferred number of said major number is sent to said HLR, indicates the transferred number of stating in the HLR major number business datum to be set to the transferred number of said major number.
During the present invention implemented, the detailed process of the method for opening Call Forwarding services in the technical scheme of the present invention was realized in each unit of operation system, sees also earlier figures 1, embodiment illustrated in fig. 2, repeats no more here.
In the embodiment of the invention, VMSC receives call request, and this calling that continues; When meeting in the handshaking procedure when busy, obtain user's transferred number to VLR, the transferred number that here gets access to is a special number; With the operation system of call to the processing Call Forwarding services, operation system is retrieved as the transferred number of storing when minor number is opened call forwarding function according to the minor number of being dialed according to this special number, and then indication VMSC arrives this transferred number with call proceeding; Because this transferred number is the number in user's roaming country; Therefore, the user utilizes this transferred number no roaming charges that receive calls, thereby saves cost of the phone call.
The embodiment of the invention also provides a kind of system that opens Call Forwarding services, sees also Fig. 7, and the system that opens Call Forwarding services comprises:
Visited Mobile Switching Center 702; Be used to receive user terminal and be used to open the request of user, and described request is forwarded to operation system according to the USSD sign indicating number in the described request at the call forwarding function of roaming country through what unstructured supplementary service data USSD initiated;
Homing user position register 703, the transferred number that is used for said user is set to said special number, and is updated among said user's the VLR Visitor Location Register VLR.
It will be appreciated by those skilled in the art that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to accomplish through program; Described program can be stored in a kind of computer-readable recording medium; The above-mentioned storage medium of mentioning can be a read-only memory, disk or CD etc.
More than a kind of method, Apparatus and system of opening Call Forwarding services provided by the present invention carried out detailed introduction; For those skilled in the art; Thought according to the embodiment of the invention; The part that on embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a method of opening Call Forwarding services is characterized in that, comprising:
Operation system receives and is used to open the request of user at the call forwarding function of roaming country, carries the transferred number of said user at roaming country in the described request;
Store the transferred number of said user at roaming country; And send to said user's homing user position register HLR and to meet the special number that user attaching state requires; Indicate the said user's of said HLR transferred number to be set to said special number, said special number is used to trigger the Call Forwarding services of said user at roaming country.
2. method according to claim 1 is characterized in that, said operation system reception is used to open the user and before the request of the call forwarding function of roaming country, comprises:
User's Visited Mobile Switching Center VMSC receives user terminal and is used to open the request of user at the call forwarding function of roaming country through what unstructured supplementary service data USSD initiated, and according to the USSD sign indicating number in the described request described request is forwarded to operation system.
3. method according to claim 1 and 2 is characterized in that, if said user is the one-card multi-number user, and at roaming country use minor number, state uses major number in ownership, and said method also comprises:
The one card multi-number business that operation system is contracted according to said user is confirmed said user's major number, to the business datum that said HLR inquires about said major number, if said major number has been provided with transferred number, then preserves the transferred number of said major number;
Said homing user position register HLR to said user sends and meets the special number that user attaching state requires, and indicates the said user's of said HLR transferred number to be set to said special number and comprises:
Operation system is sent activation trace Mode A TMOD signaling to said HLR, carries said major number and special number in the said ATMOD signaling, indicates the transferred number in the said HLR major number business datum to be set to said special number.
4. method according to claim 3 is characterized in that, also comprises:
When operation system receives when being used to cancel the request of user at the call forwarding function of roaming country; Extract the transferred number of the major number of preserving; The transferred number of said major number is sent to said HLR, indicates transferred number in the said HLR major number business datum to be set to the transferred number of said major number.
5. according to each described method of claim 1-4, it is characterized in that, also comprise:
The said user's of said HLR transferred number is set to said special number, and is updated among said user's the VLR Visitor Location Register VLR;
As said user during at the roaming country bid, said user's Visited Mobile Switching Center VMSC according to the special number of storing among the said VLR with call to the operation system of handling Call Forwarding services;
Operation system is obtained the transferred number of user at roaming country, indicates said VMSC that the transferred number of said user at roaming country arrived in said call proceeding.
6. an operation system is characterized in that, comprising:
Receiving element is used to receive and is used to open the request of user at the call forwarding function of roaming country, carries the transferred number of said user at roaming country in the described request;
Memory cell is used to store the transferred number of said user at roaming country;
Transmitting element; Be used for sending the special number that meets the requirement of user attaching state to said user's homing user position register HLR; Indicate the said user's of said HLR transferred number to be set to said special number, said special number is used to trigger the Call Forwarding services of said user at roaming country.
7. operation system according to claim 6 is characterized in that, said operation system also comprises:
Confirm the unit, be used for confirming said user's major number according to the one card multi-number business that said user contracts;
Query unit is used for inquiring about to said HLR the business datum of said major number;
Said memory cell also is used for then preserving the transferred number of said major number if said major number has been provided with transferred number.
8. operation system according to claim 6 is characterized in that,
Said transmitting element specifically is used for sending activation trace Mode A TMOD signaling to said HLR, carries said major number and special number in the said ATMOD signaling, indicates the transferred number in the said HLR major number business datum to be set to said special number.
9. according to claim 6 or 7 described operation systems, it is characterized in that said operation system also comprises:
Extraction unit is used for extracting the transferred number of the major number of preserving when receiving when being used to cancel the request of user at the call forwarding function of roaming country;
Said transmitting element also is used for the transferred number of said major number is sent to said HLR, indicates the transferred number of stating in the HLR major number business datum to be set to the transferred number of said major number.
10. a system that opens Call Forwarding services is characterized in that, comprising:
Operation system is used to receive and is used to open the request of user at the call forwarding function of roaming country, carries the transferred number of said user at roaming country in the described request; Store the transferred number of said user at roaming country; And send to said user's homing user position register HLR and to meet the special number that user attaching state requires; Indicate the said user's of said HLR transferred number to be set to said special number, said special number is used to trigger the Call Forwarding services of said user at roaming country;
Visited Mobile Switching Center is used to receive user terminal and is used to open the request of user at the call forwarding function of roaming country through what unstructured supplementary service data USSD initiated, and according to the USSD sign indicating number in the described request described request is forwarded to operation system;
Homing user position register, the transferred number that is used for said user is set to said special number, and is updated among said user's the VLR Visitor Location Register VLR.
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