CN101998361A - Calling method, equipment and system - Google Patents
Calling method, equipment and system Download PDFInfo
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- CN101998361A CN101998361A CN2009101694023A CN200910169402A CN101998361A CN 101998361 A CN101998361 A CN 101998361A CN 2009101694023 A CN2009101694023 A CN 2009101694023A CN 200910169402 A CN200910169402 A CN 200910169402A CN 101998361 A CN101998361 A CN 101998361A
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Abstract
The embodiment of the invention provides a calling method, calling equipment and a calling system. The calling method comprises the following steps of: transmitting a state query request to a home location register (HLR) before a called terminal initiates a call, wherein the state query request carries the number of the called terminal; and determining whether to initiate a calling request to the called terminal according to the received current state information of the called terminal returned by the HLR. Meanwhile, the embodiment of the invention also provides calling equipment and a calling system. In the embodiment of the invention, by acquiring the state of a user to be called before calling and determining whether to initiate the calling to the user to be called according to the state of the user to be called, the waste of network resources is avoided, the network call loss is reduced, and the working efficiency is improved.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method of calling, equipment and system.
Background technology
The call center is more and more wider as the use of Customer Service Center, and enterprise is also more and more ripe to the understanding of call center.The service that traditional enterprise provides the end user is a kind of passive service, and promptly the user dials phone and enters Customer Service Center's understanding relevant information, and enterprise more and more payes attention to providing taking the initiative in offering a hand now.So outgoing call and callback become part indispensable in the modern customer service center system.
Now, mail be made a phone call, sends a fax, sends short messages, be sent out in enterprise all can initiatively to the user, understands the satisfaction of user to service, to strengthen tracking and the control to the client.In addition, if the client has submitted the telephone number of oneself on enterprise web site, enterprise also can provide service to the client to the voice callback of client's initiation.
By these method of callings, enterprise can set up corresponding customer profile, understands client's demand, so that initiatively recommend the industry affair promotion of going forward side by side of corresponding preferential set meal to the user; By the active call user, strengthened the communication with the client, embodied care to the client, improve client's loyalty, and then can improve the business income of self enterprise.
In the prior art, method of calling as shown in Figure 1, is mainly:
Step 1, calling system is according to the called number information of terminal called, make a call to PSTN (Public SwitchedTelephone Network, PSTN) or PLMN (Public Land Mobile Network, public land mobile network);
Step 2, GMSC (Gateway Mobile Switching Center, GMSC (gateway mobile switching center)) according to called number information, to the HLR at this number place (Home Location Register, attaching position register) sends SRI (Send Routing Information sends route messages) the called routing iinformation of inquiry;
Step 3, HLR is to the visit ground at terminal called place MSC (Mobile Switching Center, mobile switching centre) or VLR (Visitor Location Register, VLR Visitor Location Register) sends PRN (Provide Roaming Number Provides Roaming Number) message and ask for roaming number;
Step 4, visit ground MSC or VLR return roaming number by PRN_ACK message to HLR;
Step 5, HLR to the Query Result that GMSC returns this, comprises terminal called current state, roaming number etc. by SRI_ACK message;
Step 6, GMSC makes a call to the MSC of the called end office at terminal called roaming number place;
Step 7, the MSC of called end office makes a call to terminal called;
Step 8, calling system and terminal called are set up session.
State in realization in the process of calling, the inventor finds that there are the following problems at least in the prior art:
When calling system is called out, after call signaling arrives core net, if terminal called shutdown or when unreachable, this time call failure like this, has been wasted Internet resources, causes the network call loss, and then has reduced operating efficiency.
Summary of the invention
Embodiments of the invention provide a kind of method of calling, equipment and system, can avoid waste of network resources, reduce the network call loss, increase work efficiency.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of method of calling comprises:
Before making a call to terminal called, to attaching position register HLR transmit status query requests, wherein said status query request carries the number of described terminal called;
According to receiving the described terminal called current state message that described HLR returns, determine whether to the request of making a call of described terminal called.
A kind of calling device comprises:
The status poll module was used for before making a call to terminal called, and to HLR transmit status query requests, wherein said status query request carries the number of described terminal called;
Processing module is used for determining whether to the request of making a call of described terminal called according to receiving the described terminal called current state message that described HLR returns.
A kind of calling system comprises:
Calling device was used for before making a call to terminal called, and to HLR transmit status query requests, wherein said status query request carries the number of described terminal called; And, determine whether to the request of making a call of described terminal called according to receiving the described terminal called current state message that described HLR returns.
The method of calling that the embodiment of the invention provides, equipment and system, can be before terminal called makes a call, just inquire about the current state of this terminal called, after getting access to the state of terminal called, determine whether again to make a call to it according to the current state of this terminal called to HLR.Be different from the prior art, direct calling, call signaling learns that just the terminal called current state can not be called after arriving core net.Therefore, reduced, reduced the network call loss, improved the operating efficiency of call center and improved user experience waste of network resources.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of method of calling in the prior art;
Fig. 2 is the FB(flow block) of a method of calling embodiment provided by the invention;
Fig. 3 is the schematic flow sheet of another method of calling embodiment provided by the invention;
Fig. 4 is the schematic flow sheet of another method of calling embodiment provided by the invention;
Fig. 5 is the structured flowchart of a calling device embodiment provided by the invention;
Fig. 6 is the structural representation of a calling system embodiment provided by the invention;
Fig. 7 is the structural representation of another calling system embodiment provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 2 is the FB(flow block) of method of calling embodiment of the present invention, and as shown in Figure 2, this method of calling step comprises:
S201, before making a call to terminal called, to HLR (Home Location Register, attaching position register) transmit status query requests, wherein this status query request carries the number of terminal called.
Concrete, at GSM (Global System for Mobile Communications, global system for mobile communications) in the network, ATI (Any Time Interrogate) is as the querying command of MAP (Mobile ApplicationPart MAP) signaling, can be used as the status query request among this step S201, and in this ATI, carry the number (MSISDN) of terminal called.
S202, according to receiving the terminal called current state message that HLR returns, determine whether to the terminal called request of making a call.
Concrete, HLR can return ATI_ACK message as the status message that returns, and in this ATI_ACK message, can tabulate with return value and identify the current state of terminal called.
This wherein, the current state of terminal called can comprise: mobile phone free time, mobile phone are just busy, mobile phone roaming, VLR Visitor Location Register VLR are not supported PSI message, long-time shutdown, short time shutdown, roaming is limited, the user does not have registration, system-level errors, function not to support, function does not allow, do not allow, there be not, do not have in roaming yard etc. any one in user's absence, user.
In addition, step S202, according to receiving the terminal called current state message that HLR returns determines whether can be specially to the terminal called request of making a call:
Status message is judged, when definite terminal called current state can receipt of call, made a call to terminal called; When definite terminal called current state can not receipt of call, abandon or postpone making a call to terminal called.
The method of calling that the embodiment of the invention provides can just be inquired about the current state of this terminal called before terminal called makes a call to HLR, after getting access to the state of terminal called, determine whether to make a call to it according to the current state of this terminal called again.If the state of terminal called shows that it can't be called, then calling device is abandoned or postpones making a call to this terminal called.Be different from the prior art, call signaling learns that just the terminal called current state can not be called after arriving core net, the embodiment of the invention has reduced waste of network resources, has reduced the network call loss, has improved the operating efficiency of call center and has improved user experience.
Need to prove that present embodiment is to be that example describes with the GSM network, the embodiment of the invention is not limited to this, and other network also can.
The method of calling that the embodiment of the invention provides is that example describes with the GSM network, and as shown in Figure 3, this method step comprises:
At calling device before terminal called makes a call:
S301, calling device send ATI (MSISDN) message for obtaining the terminal called current state to HLR, carry the number (MSISDN) of terminal called in ATI (MSISDN).
S302, HLR return ATI_ACK message according to user's actual conditions to calling device, and carry the current state of terminal called in this ATI_ACK, in order to the current state of notification call equipment terminal called.Concrete, can be in ATI_ACK message tabulating with return value identifies the various states of terminal called, this tabulation can for:
The 0=Assumed Idle mobile phone free time
1=Camel Busy mobile phone is just busy
2=Not Provided ForVLR VLR does not support PSI message
3=ms Purged shuts down for a long time
The 4=imsi Detached short time shuts down
5=restricted Area roaming is limited
6=not Registered user is registration not
The 7=SystemFailure system-level errors
The 8=DataMissing system-level errors
The 9=UnexpectedData system-level errors
The 10=FacilityNotSupport function is not supported
The 11=ATINotAllowed function does not allow
12=OrNotAllowed does not allow
13=AbsentSubscriber user's absence
14=UnknownSubscriber user does not exist
15=NoRoamingNumber does not have the roaming sign indicating number
Need to prove that present embodiment just illustrates at each sign at this, the embodiment of the invention is not limited to this, and the tabulation or the parameter of other forms, kind also can.
After S303, calling device are received ATI_ACK message, judge, when definite terminal called current state can receipt of call, make a call to terminal called according to this message; When definite terminal called current state can not receipt of call, abandon or postpone making a call to terminal called.
Concrete, for example:
When definite terminal called current state is " mobile phone free time ", make a call to this terminal called; Perhaps
When definite terminal called current state is " mobile phone is just busy ", abandon or postpone making a call to this terminal called; Perhaps
When definite terminal called current state is " VLR does not support PSI message ", abandon or postpone making a call to this terminal called; Perhaps
When definite terminal called current state is " long-time shutdown ", abandon or postpone making a call to this terminal called; Perhaps
When definite terminal called current state is " short time shutdown ", abandon or postpone making a call to this terminal called; Perhaps
When definite terminal called current state is " roaming limited ", abandon or postpone making a call to this terminal called; Perhaps
When definite terminal called current state is " user is registration not ", abandon or postpone making a call to this terminal called; Perhaps
When definite terminal called current state is " system-level errors ", abandon or postpone making a call to this terminal called; Perhaps
When definite terminal called current state is " function is not supported ", abandon or postpone making a call to this terminal called; Perhaps
When definite terminal called current state is " function does not allow ", abandon or postpone making a call to this terminal called; Perhaps
When definite terminal called current state is " not allowing ", abandon or postpone making a call to this terminal called; Perhaps
When definite terminal called current state is " user's absence ", abandon or postpone making a call to this terminal called; Perhaps
When definite terminal called current state is " user does not exist ", abandon or postpone making a call to this terminal called; Perhaps
When definite terminal called current state is " not having the roaming sign indicating number ", abandon or postpone making a call to this terminal called.
If called terminal startup is normal, then calling device makes a call to it, and the prior art that provides in idiographic flow and the background technology is identical, does not repeat them here.
As shown in Figure 4, if user's roaming, this method step comprises:
S401, calling device send ATI (MSISDN) message for obtaining the terminal called current state to HLR, carry the number (MSISDN) of terminal called in ATI (MSISDN)
S402, HLR can be MSC or VLR transmission PSI message in the present embodiment to visit ground equipment, obtain the current state of terminal called.
At this, if terminal called is in off-mode, HLR then can not send PSI message to MSC.
S403, visit ground MSC or VLR return PSI_ACK message to HLR, inform whether HLR terminal called current state is roamed.
S404, HLR return ATI_ACK message to calling device, and the current state of in this ATI_ACK, carrying terminal called, whether roam in order to the current of notification call equipment terminal called, concrete, can carry by the MSRN in the ATI message (Mobile Station Roaming Number Mobile Station Roaming Number) field.
S405, when calling device is determined the terminal called current state for " mobile phone roaming " according to the message returned, calling device can make a call to this terminal called, also can abandon or postpone making a call to this terminal called.
Like this, the method of calling that the embodiment of the invention provides can just be inquired about the current state of this terminal called before terminal called makes a call to HLR, after getting access to the state of terminal called, determine whether again to make a call to it according to the current state of this terminal called.If the state of terminal called shows that it can't be called, then calling device is abandoned or postpones making a call to this terminal called.Be different from the prior art, call signaling learns that just the terminal called current state can not be called after arriving core net, and the embodiment of the invention has reduced waste of network resources, has reduced the network call loss, has improved the operating efficiency of call center.
In addition, if when calling device is learnt that terminal called is current and is in roaming state, can need cancel or continue this calling at the user.
Like this, satisfy to hommization user's needs more, because some user does not wish to receive the phone of call center when roaming, if the calling device of call center can be made judgement to the user who roams making a call before, and then cancellation or continuation calling, then can improve user's satisfaction.
Need to prove that present embodiment is to be example with the GSM network, but the embodiment of the invention is not limited to this, can also use and other networks, just distinguish to some extent at different procotols and interface, but Business Processing is similar substantially.For example, under the WCDMA network, do not need modification just can support; At the TD-SCDMA network, revise the ATI message content and get final product; Can inquire about the content that needs by the Search message interface at CDMA.
Fig. 5 is the structural representation of calling device embodiment of the present invention, and as shown in Figure 5, this equipment comprises:
Concrete, in the GMS system, can be with ATI message as status query request, and carry the number MSISDN of terminal called, i.e. ATI (MSISDN).
Concrete, can receive ATI_ACK message from HLR as status message, the state information of in this ATI_ACK message, carrying terminal called, and judge according to this message.
Wherein, the current state of terminal called comprises: mobile phone free time, mobile phone are just busy, mobile phone roaming, VLR Visitor Location Register VLR are not supported PSI message, long-time shutdown, short time shutdown, roaming is limited, the user does not have registration, system-level errors, function not to support, function does not allow, do not allow, there be not, do not have in roaming yard any one in user's absence, user
Further, processing module 502 comprises:
Judging unit 502A is used for inquiring about the status message that obtains terminal called according to status poll module 501, judges whether the terminal called current state can receipt of call.
Calling unit 502B is used for making a call to terminal called when judging unit 502A determines that the terminal called current state can receipt of call; Otherwise, abandon or postpone making a call to terminal called.
Concrete, when judging unit 502A determined the terminal called current state for " mobile phone free time ", calling unit 502B made a call to terminal called; Perhaps
When judging unit 502A determined the terminal called current state for " mobile phone roaming ", calling unit 502B made a call to terminal called, perhaps, abandons or postpone making a call to described terminal called.
In addition, when judging unit 502A determined the terminal called current state for " mobile phone is just busy ", calling unit 502B abandoned or postpones making a call to terminal called; Perhaps
When judging unit 502A determined the terminal called current state for " VLR does not support PSI message ", calling unit 502B abandoned or postpones making a call to terminal called; Perhaps
When judging unit 502A determined the terminal called current state for " long-time shutdown ", calling unit 502B abandoned or postpones making a call to terminal called; Perhaps
When judging unit 502A determined the terminal called current state for " short time shutdown ", calling unit 502B abandoned or postpones making a call to terminal called; Perhaps
When judging unit 502A determined the terminal called current state for " roaming limited ", calling unit 502B abandoned or postpones making a call to terminal called; Perhaps
When judging unit 502A determined the terminal called current state for " user is registration not ", calling unit 502B abandoned or postpones making a call to terminal called; Perhaps
When judging unit 502A determined the terminal called current state for " system-level errors ", calling unit 502B abandoned or postpones making a call to terminal called; Perhaps
When judging unit 502A determined the terminal called current state for " function is not supported ", calling unit 502B abandoned or postpones making a call to terminal called; Perhaps
When judging unit 502A determined the terminal called current state for " function does not allow ", calling unit 502B abandoned or postpones making a call to terminal called; Perhaps
When judging unit 502A determined the terminal called current state for " not allowing ", calling unit 502B abandoned or postpones making a call to terminal called; Perhaps
When judging unit 502A determined the terminal called current state for " user's absence ", calling unit 502B abandoned or postpones making a call to terminal called; Perhaps
When judging unit 502A determined the terminal called current state for " user does not exist ", calling unit 502B abandoned or postpones making a call to terminal called; Perhaps
When judging unit 502A determined the terminal called current state for " not having the roaming sign indicating number ", calling unit 502B abandoned or postpones making a call to terminal called.
The calling device that the embodiment of the invention provides before terminal called makes a call, can be inquired about the current state of this terminal called to HLR, after getting access to the state of terminal called, determines whether to make a call to it according to the current state of this terminal called again.If the state of terminal called shows that it can't be called, then calling device is abandoned or postpones making a call to this terminal called.Be different from the prior art, call signaling learns that just the terminal called current state can not be called after arriving core net, the embodiment of the invention has reduced the waste to resources in network, has reduced the network call loss, has improved the operating efficiency of call center and has improved user experience.
In addition, when judging the user and roam, calling device can not make a call yet.Like this, satisfy to hommization user's needs more, because some user does not wish to receive the phone of call center when roaming, if the calling device of call center can be made judgement to the user who roams making a call before, and then the cancellation calling, then can improve user's satisfaction.
Fig. 6 is the structural representation of calling system embodiment of the present invention, as shown in Figure 6, comprising:
Calling device 601 was used for before making a call to terminal called 605, and to HLR602 transmit status query requests, wherein status query request carries the number of terminal called 605; And, determine whether to terminal called 605 request of making a call according to receiving the terminal called 605 current state message that HLR602 returns.
Further, this system also comprises:
HLR602 is used for the status query request of receipt of call equipment 601, and terminal called 605 current state message are returned to calling device 601.
If terminal called is in roaming state, then HLR602 will be visit ground MSC or VLR603 transmission roaming state query requests in the present embodiment to visited network equipment.Visit ground MSC or VLR603 send to HLR602 with the state of terminal called 605, and have HLR602 to return to calling device 601.
601 pairs of status messages of calling device judge, when definite terminal called 605 current states can receipt of call, make a call to terminal called 605; Otherwise, abandon or postpone making a call to terminal called 605.
When calling device 601 when terminal called 605 makes a call, its process is same as the prior art, does not repeat them here.
The calling system that the embodiment of the invention provides, calling device can be before terminal called makes a call, just inquire about the current state of this terminal called, after getting access to the state of terminal called, determine whether again to make a call to it according to the current state of this terminal called to HLR.If the state of terminal called shows that it can't be called, then calling device is abandoned or postpones making a call to this terminal called.Be different from the prior art, call signaling learns that just the terminal called current state can not be called after arriving core net, the embodiment of the invention has reduced waste of network resources, has reduced the network call loss, has improved the operating efficiency of call center and has improved user experience.
Fig. 7 is the structural representation of calling system embodiment of the present invention, and as shown in Figure 7, present embodiment is an example with the outer paging system of the call center of actual enterprise, and this outer paging system is divided into two subsystems, comprising:
The outgoing call management system is carried out the management and the data statistic analysis of outgoing call data;
The outgoing call executive system, its outgoing call is handled and is attended a banquet, outgoing call ivr server, computer telephone integration server, OutBound Server link to each other with the outgoing call database of outgoing call management system, its IAD links to each other with PSTN or PLMN, according to the data of wanting outgoing call, dispatch, carry out outgoing call by IVR (Interactive Voice Response, interactive voice response) or operator attendance, wherein IAD is just born the User Status inquiry and is called out.
Wherein, outgoing call is handled and is attended a banquet, and the application apparatus for user's manual operator uses mainly contains call-in and call-out functions, and can be from the called party information of outgoing call database calling and obtaining user; The outgoing call processing is attended a banquet and breathed out mainly is by the computer telephone integration server, communicates with IAD, and finally makes a call to communication network by this IAD.
The outgoing call ivr server is the server of business execution automatically, carries out similar usually and the such script file of VXML (VoiceeXtensible Markup Language is based on the Voice extensible Markup Language of intelligent network).It also links to each other with the outgoing call database, data therefrom by carrying out default script file, is initiated related service through OutBound Server, IAD to terminal called automatically, for the user provides interactively voice service, under the situation of needs, forward calling to operator attendance.
OutBound Server in the middle of this is used for the scheduling processing server software of outgoing call task.
The computer telephone integration server is used for middleware software adaptive and handling process and network signal, and it organically combines telephone switching system and computer system, makes full use of switch speech channel function of exchange and computer system data processing capacity.Not only can receive call information,, can control the call treatment of switch simultaneously effectively, comprise services such as calling transfer, call termination, intelligence exhalation by computer as calling telephone number etc. from switch.
IAD is used for inserting core net by multiple signaling, is positioned at the central edge access layer of soft-exchange construction, and the analog subscriber line interface is provided, and is used for directly being linked into switching network.
In the present embodiment, the outgoing call processing is attended a banquet or the outgoing call ivr server can be before making a call to terminal called, require IAD to attaching position register HLR transmit status query requests, current state with the inquiry terminal called, wherein, this status query request can carry the number of terminal called.HLR is after IAD returns terminal called current state message, and IAD reports the outgoing call processing with this status message and attends a banquet and/or the outgoing call ivr server.Whether outgoing call is handled and is attended a banquet and can determine to the terminal called request of making a call according to preset rule or by the current state of artificial traffic staff according to terminal called.When definite this terminal called current state can receipt of call, make a call to it; Otherwise, abandon or postpone this calling.
The outgoing call ivr server also can be according to the current state of pre-set rule according to terminal called, and whether decision is to the terminal called request of making a call.When definite this terminal called current state can receipt of call, make a call to it; Otherwise, abandon or postpone this calling.
The idiographic flow of calling out is same as the prior art, does not repeat them here.
The embodiment of the invention in actual application and the difference of existing scheme be exactly: IAD will be realized the function of inquiring user state, need do for different networks certain adaptive, dotted portion among Fig. 7.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.
Claims (14)
1. a method of calling is characterized in that, comprising:
Before making a call to terminal called, to attaching position register HLR transmit status query requests, wherein said status query request carries the number of described terminal called;
According to receiving the described terminal called current state message that described HLR returns, determine whether to the request of making a call of described terminal called.
2. method of calling according to claim 1 is characterized in that, the current state of described terminal called comprises:
Mobile phone free time, mobile phone are just busy, mobile phone roaming, VLR Visitor Location Register VLR (Visitor LocationRegister) are not supported PSI (Provide Subscriber Information) message, long-time shutdown, short time shutdown, roaming is limited, the user does not have registration, system-level errors, function not to support, function does not allow, do not allow, there be not, do not have in roaming yard any one in user's absence, user.
3. method of calling according to claim 1 is characterized in that, if described terminal called is in roaming state, then described terminal called current state message is the status message that described HLR obtains to the visited network equipment inquiry.
4. method of calling according to claim 1 and 2 is characterized in that, and is described according to receiving the described terminal called current state message that described HLR returns, and determines whether to be specially to the request of making a call of described terminal called:
Described status message is judged, when definite described terminal called current state can receipt of call, made a call to described terminal called; Otherwise, abandon or postpone making a call to described terminal called.
5. method of calling according to claim 2 is characterized in that,
If described terminal called current state is roaming, then described status message also comprises the roaming number of the described terminal called that obtains from visit ground moving exchanging center MSC or VLR.
6. method of calling according to claim 4 is characterized in that, described described status message is judged, when definite described terminal called current state can receipt of call, makes a call to described terminal called, is specially:
When definite described terminal called current state is " mobile phone free time ", make a call to described terminal called; Perhaps
When definite described terminal called current state is " mobile phone roaming ", make a call to described terminal called.
7. method of calling according to claim 4 is characterized in that, describedly abandons or postpone making a call to described terminal called when definite described terminal called current state can not receipt of call, is specially:
When definite described terminal called current state is " mobile phone is just busy ", abandon or postpone making a call to described terminal called; Perhaps
When definite described terminal called current state is " mobile phone roaming ", abandon or postpone making a call to described terminal called; Perhaps
When definite described terminal called current state is " VLR does not support PSI message ", abandon or postpone making a call to described terminal called; Perhaps
When definite described terminal called current state is " long-time shutdown ", abandon or postpone making a call to described terminal called; Perhaps
When definite described terminal called current state is " short time shutdown ", abandon or postpone making a call to described terminal called; Perhaps
When definite described terminal called current state is " roaming limited ", abandon or postpone making a call to described terminal called; Perhaps
When definite described terminal called current state is " user is registration not ", abandon or postpone making a call to described terminal called; Perhaps
When definite described terminal called current state is " system-level errors ", abandon or postpone making a call to described terminal called; Perhaps
When definite described terminal called current state is " function is not supported ", abandon or postpone making a call to described terminal called; Perhaps
When definite described terminal called current state is " function does not allow ", abandon or postpone making a call to described terminal called; Perhaps
When definite described terminal called current state is " not allowing ", abandon or postpone making a call to described terminal called; Perhaps
When definite described terminal called current state is " user's absence ", abandon or postpone making a call to described terminal called; Perhaps
When definite described terminal called current state is " user does not exist ", abandon or postpone making a call to described terminal called; Perhaps
When definite described terminal called current state is " not having the roaming sign indicating number ", abandon or postpone making a call to described terminal called.
8. a calling device is characterized in that, comprising:
The status poll module was used for before making a call to terminal called, and to HLR transmit status query requests, wherein said status query request carries the number of described terminal called;
Processing module is used for determining whether to the request of making a call of described terminal called according to receiving the described terminal called current state message that described HLR returns.
9. calling device according to claim 8 is characterized in that, described processing module comprises:
Judging unit is used for according to described status message, judges that described terminal called current state whether can receipt of call;
Calling unit is used for making a call to described terminal called when described judging unit determines that described terminal called current state can receipt of call; Otherwise, abandon or postpone making a call to described terminal called.
10. calling device according to claim 9 is characterized in that, described calling unit also is used for: when described judging unit is determined described terminal called current state for " mobile phone free time ", make a call to described terminal called; Perhaps
When described judging unit is determined described terminal called current state for " mobile phone roaming ", make a call to described terminal called.
11. calling device according to claim 9 is characterized in that, described calling unit also is used for: when described judging unit is determined described terminal called current state for " mobile phone is just busy ", abandon or postpone making a call to described terminal called; Perhaps
When described judging unit is determined described terminal called current state for " mobile phone roaming ", abandon or postpone making a call to described terminal called; Perhaps
When described judging unit is determined described terminal called current state for " VLR does not support PSI message ", abandon or postpone making a call to described terminal called; Perhaps
When described judging unit is determined described terminal called current state for " long-time shutdown ", abandon or postpone making a call to described terminal called; Perhaps
When described judging unit is determined described terminal called current state for " short time shutdown ", abandon or postpone making a call to described terminal called; Perhaps
When described judging unit is determined described terminal called current state for " roaming limited ", abandon or postpone making a call to described terminal called; Perhaps
When described judging unit is determined described terminal called current state for " user is registration not ", abandon or postpone making a call to described terminal called; Perhaps
When described judging unit is determined described terminal called current state for " system-level errors ", abandon or postpone making a call to described terminal called; Perhaps
When described judging unit is determined described terminal called current state for " function is not supported ", abandon or postpone making a call to described terminal called; Perhaps
When described judging unit is determined described terminal called current state for " function does not allow ", abandon or postpone making a call to described terminal called; Perhaps
When described judging unit is determined described terminal called current state for " not allowing ", abandon or postpone making a call to described terminal called; Perhaps
When described judging unit is determined described terminal called current state for " user's absence ", abandon or postpone making a call to described terminal called; Perhaps
When described judging unit is determined described terminal called current state for " user does not exist ", abandon or postpone making a call to described terminal called; Perhaps
When described judging unit is determined described terminal called current state for " not having the roaming sign indicating number ", abandon or postpone making a call to described terminal called.
12. a calling system is characterized in that, comprising:
Calling device was used for before making a call to terminal called, and to HLR transmit status query requests, wherein said status query request carries the number of described terminal called; And, determine whether to the request of making a call of described terminal called according to receiving the described terminal called current state message that described HLR returns.
13. calling system as claimed in claim 12 is characterized in that, described system also comprises:
Described HLR is used to receive the status query request of described calling device, and described terminal called current state message is returned to described calling device.
14., it is characterized in that described calling device determines whether to be specially to the request of making a call of described terminal called according to receiving the described terminal called current state message that described HLR returns as claim 12 or 13 described calling systems:
Described calling device judges described status message, when definite described terminal called current state can receipt of call, makes a call to described terminal called; Otherwise, abandon or postpone making a call to described terminal called.
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