CN102665185B - 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, particularly relate to a kind of method, the Apparatus and system of opening Call Forwarding services.
Background technology
One-card multi-number (SIMM, Single IMSI Multi MSISDN) business, refer to that user uses a user identification module card (SIM, Subscriber Identity Module SIM), do not changing mobile phone, multiple international mobile subscriber identity (IMSI is just had when not changing card, International Mobile Subscriber Identity) and multiple travelling carriage International Integrated Services digital network (ISDN, Integrated Services Digital Network) number (MSISDN, Mobile Station International ISDN Number), comprise a main activation number and several minor numbers for subsequent use, wherein, minor number can be existing number, also can be the number of new application.After user opens this business, the arbitrary number in major-minor number can be selected as required to carry out conversing, short message receiving-transmitting, thus realize at different time, different occasion uses the hope of jack per station.This business mainly meets the demand of following user: for needing the user distinguishing the scopes such as work, life, friend with different numbers, eliminate the trouble of carrying multiple SIM card or multiple stage mobile phone; Need frequently to go on business other places or by going to other places study, the roamer of work wishes to use strange land number can retain original number while reducing roaming rate, but also the trouble frequently changing SIM card or carry multiple stage mobile phone is avoided in hope; For special requirement (as renting a house), need the user of other numbers of short-period used.
In current mobile service, user at the forward limited ability of roaming country in the limitation of operator, transferred number generally all can only allow the number arranging this country, and so international roaming user just can only arrange international roaming number as transferred number, and international roaming costly.
Summary of the invention
Embodiments provide a kind of method, the Apparatus and system of opening Call Forwarding services, in order to arrange the transferred number of user at roaming country, when roaming country calling party number busy, continue the transferred number of this user at roaming country, thus do not produce roaming charges, save cost of the phone call.
The embodiment of the present invention provides a kind of method opening Call Forwarding services, comprising: operation system receives for opening the request of user at the call forwarding function of roaming country, carries the transferred number of described user at roaming country in described request; Store the transferred number of described user at roaming country, and send to the homing user position register HLR of described user the special number meeting user attaching state and require, indicate described HLR that the transferred number of described user is set to described special number, described special number is for triggering the Call Forwarding services of described user at roaming country.
Preferably, described operation system receives and comprised before the request of the call forwarding function of roaming country for opening user: the Visited Mobile Switching Center VMSC of user receive user terminal by unstructured supplementary service data USSD initiate for opening the request of user at the call forwarding function of roaming country, and according to the USSD code in described request, described request is forwarded to operation system.
Preferably, if described user is one-card multi-number user, and use minor number at roaming country, in ownership, state uses major number, described method also comprises: operation system determines the major number of described user according to the one card multi-number business that described user contracts, inquire about the business datum of described major number to described HLR, if described major number arranges transferred number, then preserve the transferred number of described major number; The described homing user position register HLR to described user sends the special number meeting user attaching state and require, indicate described HLR that the transferred number of described user is set to described special number to comprise: operation system sends activation trace Mode A TMOD signaling to described HLR, carry described major number and special number in described ATMOD signaling, indicate described HLR that the transferred number in major number business datum is set to described special number.
Preferably, also comprise: when operation system receives for cancelling user when the request of the call forwarding function of roaming country, extract the transferred number of the major number preserved, the transferred number of described major number is sent to described HLR, indicates described HLR that the transferred number in major number business datum is set to the transferred number of described major number.
Preferably, also comprise: the transferred number of described user is set to described special number by described HLR, and be updated in the VLR Visitor Location Register VLR of described user; When described user is at roaming country bid, calling is triggered to the operation system of process Call Forwarding services by the Visited Mobile Switching Center VMSC of described user according to the special number stored in described VLR; Operation system obtains user at the transferred number of roaming country, indicates described VMSC by described call proceeding to the transferred number of described user at roaming country.
The embodiment of the present invention provides a kind of operation system, comprising: receiving element, for receiving for opening the request of user at the call forwarding function of roaming country, carries the transferred number of described user at roaming country in described request; Memory cell, for storing the transferred number of described user at roaming country; Transmitting element, for sending the special number meeting user attaching state and require to the homing user position register HLR of described user, indicate described HLR that the transferred number of described user is set to described special number, described special number is for triggering the Call Forwarding services of described user at roaming country.
Preferably, described operation system also comprises: determining unit, and the one card multi-number business for contracting according to described user determines the major number of described user; Query unit, for inquiring about the business datum of described major number to described HLR; Described memory cell, if also arrange transferred number for described major number, then preserves the transferred number of described major number.
Preferably, described transmitting element, specifically for sending activation trace Mode A TMOD signaling to described HLR, carry described major number and special number in described ATMOD signaling, indicate described HLR that the transferred number in major number business datum is set to described special number.
Preferably, described operation system also comprises: extraction unit, for when receiving for cancelling user when the request of the call forwarding function of roaming country, extracts the transferred number of the major number preserved; Described transmitting element, also for the transferred number of described major number is sent to described HLR, the transferred number that the transferred number in major number business datum is set to described major number by HLR is stated in instruction.
The embodiment of the present invention provides a kind of system opening Call Forwarding services, comprising: operation system, for receiving for opening the request of user at the call forwarding function of roaming country, carries the transferred number of described user at roaming country in described request; Store the transferred number of described user at roaming country, and send to the homing user position register HLR of described user the special number meeting user attaching state and require, indicate described HLR that the transferred number of described user is set to described special number, described special number is for triggering the Call Forwarding services of described user at roaming country; Visited Mobile Switching Center, for receive user terminal by unstructured supplementary service data USSD initiate for opening the request of user at the call forwarding function of roaming country, and according to the USSD code in described request, described request is forwarded to operation system; Homing user position register, for the transferred number of described user is set to described special number, and is updated in the VLR Visitor Location Register VLR of described user.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages: operation system receives and opens the request of user at the call forwarding function of roaming country, the transferred number of this user at roaming country is carried in this request, HLR to this user sends the special number meeting user attaching state and require, indicate this HLR the transferred number of this user is set to this meet user attaching state require special number, the call business of the ownership state system of Subscriber Number can be avoided to limit, and then trigger the Call Forwarding services of this user at roaming country, due to call through is the transferred number of roaming country this locality, and do not produce wandering fee, thus saving cost of the phone call.
Accompanying drawing explanation
Fig. 1 is an embodiment schematic diagram of the method for Call Forwarding services of opening in the embodiment of the present invention;
Fig. 2 is another embodiment schematic diagram of the method for Call Forwarding services of opening in the embodiment of the present invention;
Fig. 3 is the flow chart that one-card multi-number user in the embodiment of the present invention opens the transferred number arranging countermark in the method for Call Forwarding services;
Fig. 4 is the flow chart that one-card multi-number user in the embodiment of the present invention opens the transferred number triggering countermark in the method for Call Forwarding services;
Fig. 5 is the embodiment schematic diagram opening the device of Call Forwarding services in the embodiment of the present invention;
Fig. 6 is another embodiment schematic diagram opening the device of Call Forwarding services in the embodiment of the present invention;
Fig. 7 is an embodiment schematic diagram of the system of Call Forwarding services of opening in the embodiment of the present invention.
Embodiment
Embodiments provide a kind of method, the Apparatus and system of opening Call Forwarding services, for user when roaming country called, if this user's busy, continue the transferred number of this Subscriber Number at ownership place, saves the cost of the phone call of user.Below be introduced respectively.
Refer to Fig. 1, an embodiment of the method for Call Forwarding services of opening in the embodiment of the present invention comprises:
101, operation system receives for opening 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 and opens the request of user at the call forwarding function of roaming country, the transferred number of this user at roaming country is carried in this request, this user is after the call forwarding function of roaming country is opened, if call out this user, and this user is when temporarily cannot answer, this transferred number set by triggering according to incoming call, by this transferred number call establishment.
Wherein, operation system can be seamless roam solution (SRS, Seamless Roaming Solution) platform, and can roaming country be deployed in, for supporting the business of roamer at roaming country, such as, one-card multi-number user can apply for that the number of roaming country is as minor number, and the business relevant to this minor number all can realize in this operation system.
102, the transferred number of this user at roaming country is stored, and to the homing user position register (HLR of this user, Home Location Register) send the special number meeting user attaching state and require, indicate this HLR that the transferred number of this user is set to this special number, this special number is for triggering the Call Forwarding services of this user at roaming country.
It should be noted that, the call business access code that various countries' system is supported is different, general, various countries' system all determines whether by bit digital some before access code the business that national system is supported, avoid the call business of the ownership state system of Subscriber Number to limit if want, thus connecting subscribers participating is 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 user attaching state system (HLR), otherwise ownership state system refuses this setting.
In the embodiment of the present invention, operation system receives and opens the request of user at the call forwarding function of roaming country, the transferred number of this user at roaming country is carried in this request, HLR to this user sends the special number meeting user attaching state and require, indicate this HLR the transferred number of this user is set to this meet user attaching state require special number, the call business of the ownership state system of Subscriber Number can be avoided to limit, and then trigger the Call Forwarding services of this user at roaming country, due to call through is the transferred number belonging to user's roaming country this locality, so do not produce wandering fee, thus saving cost of the phone call.
In embodiments of the present invention, after HLR receives the instruction arranging transferred number, the transferred number of user is set to the special number in indicating, and is updated in the VLR Visitor Location Register (VLR, Visitor Location Register) of user.Concrete, when the user profile in HLR changes, can send to the VLR of user and insert user data (ISD, Insert Subscriber Data) message, the user profile after change is updated in VLR.The embodiment of the present invention is after HLR sets up transferred number, and HLR then triggers existing user profile more new technological process, sends ISD message, by user's user profile in hlr, comprise transferred number, be updated in VLR to VLR.
When user is at roaming country bid, Visited Mobile Switching Center (the VMSC of user, Visited Mobile-services Switching Centre) according to the user profile stored in VLR (that is, special number), calling is triggered to the operation system processing Call Forwarding services.Concrete, special number can be the prefix for trigger business, and triggering here can be carry out DP3 triggering according to prefix.The operation system that calling is triggered to process Call Forwarding services by VMSC specifically comprises: VMSC sends startup Detection Point (IDP, Initial Detection Point) message to the operation system of process Call Forwarding services.
For ease of understanding, describe the method opening Call Forwarding services in the embodiment of the present invention in detail with another embodiment below, the present embodiment is described for one-card multi-number user, wherein, this one-card multi-number user uses minor number at roaming country, and in ownership, state uses major number.Refer to Fig. 2, another embodiment of the method for Call Forwarding services of opening in the embodiment of the present invention comprises:
201, the Visited Mobile Switching Center of user receive user terminal by unstructured supplementary service data initiate for opening the request of user at the call forwarding function of roaming country, and according to the unstructured supplementary service data code in this request, described request is forwarded to operation system;
Visited Mobile Switching Center (the VMSC of user, Visited Mobile-services Switching Centre) receive user terminal by unstructured supplementary service data (USSD, Unstructured Supplementary Service Data) initiate for opening the request of user at the call forwarding function of roaming country, and according to the USSD code in this request by this request forward to operation system.
Particularly, this USSD code can comprise the access code distributing to operation system, according to the access code in USSD code, VMSC knows that this USSD message needs to send to operation system.Further, the terminal iidentification that the call forwarding function at roaming country opened by needs can also be comprised in this USSD code.As, take user as one-card multi-number user be example, this one-card multi-number user uses minor number at roaming country, in ownership, state uses major number, if the minor number of this one-card multi-number user is 13723712345, then when user is arranged on the transferred number of the minor number that roaming country uses by user terminal, send " USSD*101*2*13723712345*# " to VMSC, know that this request need send to one card multi-number business system by VMSC according to USSD code " 101 " wherein, and be transmitted to this operation system.Particular digital codes " 101 " in " USSD*101*2*13723712345*# ", " 2 " are just convenient to given example is described, also " 201 ", " 3 " can be respectively, specifically relevant to the CAMEL-Subscription-Information of user with the setting of Virtual network operator, Virtual network operator, do not do concrete restriction herein.
202, operation system determines the major number of this user according to the one card multi-number business that this user contracts, and the HLR to user attaching state inquires about the business datum of this major number, if this major number arranges transferred number, then preserves the transferred number of described major number;
Operation system receives and opens the request of user at roaming country call forwarding function, the one card multi-number business of contracting according to this user determines the major number of this user, and the business datum of this major number is inquired about to the HLR of user attaching state, if this major number arranges transferred number, then preserve the transferred number of this major number.
203, operation system sends activation trace pattern (ATMOD to this HLR, Activate Trace Mode) signaling, carry this major number and special number in this ATMOD signaling, indicate this HLR that the transferred number in major number business datum is set to this special number;
Wherein, HLR is when arranging the transferred number of major number, if this major number arranges transferred number, then HLR changes the transferred number of the major number arranged is this special number;
If this major number not yet arranges transferred number, then this special number is directly set to the transferred number of major number by HLR.
If user needs to cancel the call forwarding function at roaming country, then when operation system receives for cancelling user when the request of the call forwarding function of roaming country, extract the transferred number of the major number preserved, the transferred number of this major number is sent to this HLR, indicates this HLR that the transferred number in major number business datum is set to the transferred number of this major number.
204, the transferred number of this user is set to this special number by the HLR of user ascription area, and is updated in the VLR Visitor Location Register of this user;
205, when this user is at roaming country bid, calling is triggered to the operation system of process Call Forwarding services by VMSC according to the special number stored in VLR;
When this user is at roaming country bid, such as, user A dials the minor number of one-card multi-number user B, VMSC receives call request, and this calling that continues, when in handshaking procedure during busy, obtain the transferred number of user to VLR, the transferred number herein got is special number, according to this special number, calling is triggered to the operation system of process Call Forwarding services.
206, operation system obtains user at the transferred number of roaming country, indicates this VMSC by call proceeding to the transferred number of this user at roaming country.
This calling is triggered to operation system by VMSC, operation system is according to being retrieved as the transferred number stored when minor number opens call forwarding function by the minor number dialed, and then indicate VMSC by call proceeding to this transferred number, due to the number that this transferred number is in user's roaming country, therefore, user utilizes this transferred number to receive calls without roaming charges, thus saves cost of the phone call.
For ease of understanding, the flow process that one-card multi-number user opens Call Forwarding services is described in detail below with specific embodiment, in the present embodiment, one-card multi-number user uses minor number at roaming country, in ownership, state uses major number, refer to Fig. 3, one-card multi-number user opens in Call Forwarding services as follows by the idiographic flow of USSD flow setting transferred number (FTN, Forward-To-Number):
301, USSD signaling is sent;
One-card multi-number user sends USSD and asks VMSC, according to this request, VMSC knows that this request sends to operation system.This USSD request comprises traffic type information and user's dialing number information.
302, analysis, authentication;
Operation system analyzes user's calling number and type of service, confirms that user's calling number enjoys one card multi-number business authority, authentication success.
303, random time user's query (ATSI, Any Time Subscriber Interrogation) signaling is sent;
Operation system is asked by USSD, analyzes the front rotating function that user requires to arrange minor number, stores the transferred number that need arrange, and sends ATSI and inquires about signaling message to user ascription area HLR, the transferred number information arranged before inquiring user major number.
304, send ATSI and respond (ATSI ACK) signaling;
User ascription area HLR sends ATSI ACK signaling to operation system, sends the transferred number information that it is inquired about.
305, the transferred number of major number is preserved;
If the calling number of user arranges transferred number, then operation system preserves the transferred number of this major number.
306, ATMOD signaling is sent;
Operation system sends ATMOD signaling message to user ascription area HLR, and the transferred number in major number business datum is set to special number by instruction HLR.
307, the transferred number of minor number is set;
The transferred number of major number is set to special number by user ascription area HLR, if the calling number of user arranges transferred number, then the transferred number of this calling number is changed to special number.
308, ISD signaling is sent;
After ownership place HLR upgrades the transferred number success of user, the transferred number that transmission insertion user data ISD signaling upgrades user to user visiting ground VMSC is special number.
309, VMSC sends ISD ACK signaling;
After success upgrades, VMSC sends ISD ACK signaling to ownership place HLR.
310, operation system sends USSDACK signaling.
After operation system receives the ATMOD success response message of user ascription area HLR, the response signaling sending USSDACK, to VMSC, notifies the success of user's minor number forward function setting by VMSC.
Further, below with another embodiment describe call forwarding function in the embodiment of the present invention open after call flow, the present embodiment is described for one-card multi-number user equally, wherein, this one-card multi-number user uses minor number at roaming country, and in ownership, state uses major number.Refer to Fig. 4, the front rotating function idiographic flow triggering one-card multi-number user minor number is as follows:
401, VMSC sends IDP signaling;
The minor number called of one-card multi-number user, triggers the called flow of this minor number.VMSC receives this calling, according to the Terminating CAMEL Subscription Information (TCSI of 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. in the business of interior business datum trigger business system, send IDP message to operation system.
402, analysis, authentication;
Operation system analyzes the minor number of one-card multi-number user, confirms that this minor number enjoys one card multi-number business, and authentication success.
403, operation system sends RRBE, AC, Connect signaling;
Operation system sends request report Basic Call State Model BCSM (BCSM, Basic Call State Model) event (RRBE, Request Report BCSM Event) signaling, Apply Charging (AC, Application Accounting) signaling, connection (Connect) minor number signaling to VMSC.
404, VMSC sends IDP signaling;
The minor number of VMSC calling party, find that the minor number of user is now in busy state, then inquiring user for this minor number is provided with divert when busy, and the number of divert when busy is special number, VMSC carries out test point (DP according to this special number, Detection Point) 3 trigger forward flow processs to operation system, and to operation system transmission IDP message.
405, transferred number is extracted;
Operation system analyzes this minor number forward flow process, and during the busy that extraction user was arranged, the number of forward is as the number that continues.
406, operation system sends RRBE, AC, Connect signaling;
The signaling of the transferred number of operation system transmission RRBE signaling, AC signaling, connection (Connect) minor number is to VMSC.
407, VMSC transmission is called gets route (SRI, Send Routing Information) signaling;
VMSC sends according to the HLR of flow process to user ascription area that continue and calledly gets route signaling, obtains the TCSI information of the number that continues, triggers the called flow of the number that continues.
408, SRIACK signaling is sent;
The HLR of user ascription area sends the called response signaling SRI ACK getting route to VMSC.
409, IDP signaling is sent;
VMSC according to the number that continues, i.e. transferred number, TCSI information carry out DP12 triggering, send IDP signaling to the service control point of the intelligent call system of its ownership place (SCP, Service Control Point).
410, RRBE, AC, Connect signaling is sent.
SCP sends RRBE, AC, Connect signaling to VMSC replay call, thus call setup.
Introduce the device opening Call Forwarding services in the invention process below, refer to Fig. 5, an embodiment of the operation system in the embodiment of the present invention comprises:
Receiving element 501, for receiving for opening the request of user at the call forwarding function of roaming country, carries the transferred number of described user at roaming country in described request;
Memory cell 502, for storing the transferred number of described user at roaming country;
Transmitting element 503, for sending the special number meeting user attaching state and require to the homing user position register HLR of described user, indicate described HLR that the transferred number of described user is set to described special number, described special number is for triggering the Call Forwarding services of described user at roaming country.
In the invention process, each unit of operation system realizes the detailed process opening the method for Call Forwarding services in technical solution of the present invention, refers to aforementioned embodiment illustrated in fig. 1, repeats no more herein.
In the embodiment of the present invention, by indicating this HLR, the transferred number of this user is set to this special number meeting the requirement of user attaching state, because this special number meets user attaching state system requirements, the call business of the ownership state system of Subscriber Number can be avoided to limit, and then trigger the Call Forwarding services of this user at roaming country, due to call through is that the transferred number belonging to user's roaming country this locality does not produce wandering fee, thus saves cost of the phone call.
Operation system in above-described embodiment can realize with the combination of electronic hardware or computer software and electronic hardware.If realized with the combination of computer software and electronic hardware, particularly, can be realized by 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 for the treatment of computer-managed instruction and data.Computer-managed instruction and data can store in memory, as, receiving element 501 is realized in the embodiment of the present invention, the instruction and data of transmitting element 503 can store in memory, instruction in primary processor execute store, to realize receiving element 501, the function of transmitting element 503.Above-mentioned primary processor is computer core unit, i.e. central processing unit (CPU, Central Processing Unit).
Storage control is used for addressing, accesses the operational order and data that store in described memory.Storage control is subject to the control of described primary processor.
Persistent storage device is used for persistent storage application program, operating system and file data.As, the business datum that the user that operation system stores contracts, such as user, at the transferred number of roaming country, can be stored in persistent storage device.This persistent storage device includes but not limited to disk, tape, storage card etc.
Persistent storage controller is used for addressing, application program, operating system and the file data accessed in described persistent storage device.Persistent storage device is subject to the control of described primary processor.
Input unit includes but not limited to keyboard, mouse, touch-screen etc.
I/O controller is used for the input and output of computer for controlling system.Described I/O controller is specifically for the input of control inputs device.
Communicator is used for and miscellaneous equipment communication interaction.As, in the embodiment of the present invention, the receiving element 501 of operation system is received by communicator and opens the request of user at the call forwarding function of roaming country, and the transferred number of described user is set to described special number by communicator instruction LR by transmitting element 503.
For ease of understanding, the device opening Call Forwarding services in the invention process is introduced below in detail with another embodiment, refer to Fig. 6, if user is one-card multi-number user, and use minor number at roaming country, in ownership, state uses major number, and another embodiment of the operation system in the embodiment of the present invention comprises:
Receiving element 601, for receiving for opening the request of user at the call forwarding function of roaming country, carries the transferred number of described user at roaming country in described request;
Memory cell 602, for storing the transferred number of described user at roaming country;
Transmitting element 603, for sending activation trace Mode A TMOD signaling to described HLR, carries described major number and special number in described ATMOD signaling, indicates described HLR that the transferred number in major number business datum is set to described special number.
It should be noted that, the operation system in the embodiment of the present invention can further include:
Determining unit 604, the one card multi-number business for contracting according to described user determines the major number of described user;
Query unit 605, for inquiring about the business datum of described major number to described HLR;
Described memory cell 602, if also arrange transferred number for described major number, then preserves the transferred number of described major number;
Further, the operation system in the embodiment of the present invention can also comprise:
Extraction unit 606, for when receiving for cancelling user when the request of the call forwarding function of roaming country, extracts the transferred number of the major number preserved;
Transmitting element 603, also for the transferred number of described major number is sent to described HLR, the transferred number that the transferred number in major number business datum is set to described major number by HLR is stated in instruction.
In the invention process, each unit of operation system realizes the detailed process opening the method for Call Forwarding services in technical solution of the present invention, refers to earlier figures 1, embodiment illustrated in fig. 2, repeats no more herein.
In the embodiment of the present invention, VMSC receives call request, and this calling that continues, when in handshaking procedure during busy, the transferred number of user is obtained to VLR, the transferred number herein got is special number, according to this special number, calling is triggered to the operation system of process Call Forwarding services, operation system is according to being retrieved as the transferred number stored when minor number opens call forwarding function by the minor number dialed, and then indicate VMSC by call proceeding to this transferred number, due to the number that this transferred number is in user's roaming country, therefore, user utilizes this transferred number to receive calls without roaming charges, thus saving cost of the phone call.
The embodiment of the present invention additionally provides a kind of system opening Call Forwarding services, refers to Fig. 7, and the system opening Call Forwarding services comprises:
Operation system 701, for receiving for opening the request of user at the call forwarding function of roaming country, carries the transferred number of described user at roaming country in described request; Store the transferred number of described user at roaming country, and send to the homing user position register HLR of described user the special number meeting user attaching state and require, indicate described HLR that the transferred number of described user is set to described special number, described special number is for triggering the Call Forwarding services of described user at roaming country;
Visited Mobile Switching Center 702, for receive user terminal by unstructured supplementary service data USSD initiate for opening the request of user at the call forwarding function of roaming country, and according to the USSD code in described request, described request is forwarded to operation system;
Homing user position register 703, for the transferred number of described user is set to described special number, and is updated in the VLR Visitor Location Register VLR of described user.
It will be appreciated by those skilled in the art that all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
Above a kind of method, Apparatus and system opening Call Forwarding services provided by the present invention is described in detail, for those skilled in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (7)
1. open a method for Call Forwarding services, it is characterized in that, comprising:
Operation system receives for opening the request of user at the call forwarding function of roaming country, carries the transferred number of described user at roaming country in described request;
Store the transferred number of described user at roaming country, and send to the homing user position register HLR of described user the special number meeting user attaching state and require, indicate described HLR that the transferred number of described user is set to described special number, described special number is for triggering the Call Forwarding services of described user at roaming country;
If described user is one-card multi-number user, and use minor number at roaming country, in ownership, state uses major number, and described method also comprises:
Operation system determines the major number of described user according to the one card multi-number business that described user contracts, and inquires about the business datum of described major number to described HLR, if described major number arranges transferred number, then preserves the transferred number of described major number;
The described homing user position register HLR to described user sends the special number meeting user attaching state and require, indicates described HLR that the transferred number of described user is set to described special number and comprises:
Operation system sends activation trace Mode A TMOD signaling to described HLR, carries described major number and special number, indicate described HLR that the transferred number in major number business datum is set to described special number in described ATMOD signaling.
2. method according to claim 1, is characterized in that, described operation system receives and comprised before the request of the call forwarding function of roaming country for opening user:
The Visited Mobile Switching Center VMSC of user receive user terminal by unstructured supplementary service data USSD initiate for opening the request of user at the call forwarding function of roaming country, and according to the USSD code in described request, described request is forwarded to operation system.
3. method according to claim 1, is characterized in that, also comprises:
When operation system receives for cancelling user when the request of the call forwarding function of roaming country, extract the transferred number of the major number preserved, the transferred number of described major number is sent to described HLR, indicates described HLR that the transferred number in major number business datum is set to the transferred number of described major number.
4. the method according to any one of claim 1-3, is characterized in that, also comprises:
The transferred number of described user is set to described special number by described HLR, and is updated in the VLR Visitor Location Register VLR of described user;
When described user is at roaming country bid, calling is triggered to the operation system of process Call Forwarding services by the Visited Mobile Switching Center VMSC of described user according to the special number stored in described VLR;
Operation system obtains user at the transferred number of roaming country, indicates described VMSC by described call proceeding to the transferred number of described user at roaming country.
5. an operation system, is characterized in that, comprising:
Receiving element, for receiving for opening the request of user at the call forwarding function of roaming country, carries the transferred number of described user at roaming country in described request;
Memory cell, for storing the transferred number of described user at roaming country;
Transmitting element, for sending the special number meeting user attaching state and require to the homing user position register HLR of described user, indicate described HLR that the transferred number of described user is set to described special number, described special number is for triggering the Call Forwarding services of described user at roaming country;
Determining unit, the one card multi-number business for contracting according to described user determines the major number of described user;
Query unit, for inquiring about the business datum of described major number to described HLR;
Described memory cell, if also arrange transferred number for described major number, then preserves the transferred number of described major number;
Described transmitting element, specifically for sending activation trace Mode A TMOD signaling to described HLR, carries described major number and special number in described ATMOD signaling, indicates described HLR that the transferred number in major number business datum is set to described special number.
6. operation system according to claim 5, is characterized in that, described operation system also comprises:
Extraction unit, for when receiving for cancelling user when the request of the call forwarding function of roaming country, extracts the transferred number of the major number preserved;
Described transmitting element, also for the transferred number of described major number is sent to described HLR, the transferred number that the transferred number in major number business datum is set to described major number by HLR is stated in instruction.
7. open a system for Call Forwarding services, it is characterized in that, comprising:
Operation system, for receiving for opening the request of user at the call forwarding function of roaming country, carries the transferred number of described user at roaming country in described request; Store the transferred number of described user at roaming country, and send to the homing user position register HLR of described user the special number meeting user attaching state and require, indicate described HLR that the transferred number of described user is set to described special number, described special number is for triggering the Call Forwarding services of described user at roaming country; The one card multi-number business of contracting according to described user determines the major number of described user; The business datum of described major number is inquired about to described HLR; If described major number arranges transferred number, then preserve the transferred number of described major number; Send activation trace Mode A TMOD signaling to described HLR, carry described major number and special number in described ATMOD signaling, indicate described HLR that the transferred number in major number business datum is set to described special number;
Visited Mobile Switching Center, for receive user terminal by unstructured supplementary service data USSD initiate for opening the request of user at the call forwarding function of roaming country, and according to the USSD code in described request, described request is forwarded to operation system;
Homing user position register, for the transferred number of described user is set to described special number, and is updated in the VLR Visitor Location Register VLR of described user.
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| CN102905241B (en) * | 2012-10-15 | 2015-12-16 | 中兴通讯股份有限公司 | A kind of USSD server, HLR server and the call transfer method based on USSD |
| CN104219399B (en) * | 2014-08-27 | 2018-03-09 | 张震 | Method for selecting number, terminal, strategic server and the system of one-card multi-number |
| CN108076005A (en) * | 2016-11-09 | 2018-05-25 | 中兴通讯股份有限公司 | A kind of call forwarding method and device |
| CN114422971A (en) * | 2021-12-28 | 2022-04-29 | 中国电信股份有限公司 | Call forwarding method, device, readable medium and electronic equipment |
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