CN1163050C - Method for increasing cell completing rate in exchanger - Google Patents
Method for increasing cell completing rate in exchanger Download PDFInfo
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- CN1163050C CN1163050C CNB00120047XA CN00120047A CN1163050C CN 1163050 C CN1163050 C CN 1163050C CN B00120047X A CNB00120047X A CN B00120047XA CN 00120047 A CN00120047 A CN 00120047A CN 1163050 C CN1163050 C CN 1163050C
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Abstract
The present invention provides a method for the improvement on a call completing rate in a switch, which comprises the steps: when a third party user makes a call, but the line is busy, the third party user's call is kept, idleness is indicated, and long-calling-no-answering timing is started; a voice prompt is played for a first party user; the first party user's original call is restored; whether the first party user takes the phone on the hook is detected; if the phone is on the hook, the first party user is rung; if the phone is not on the hook in the long-calling-no-answering time, or the phone is not off the hook after the phone is on the hook, the first party user is stopped from being rung, and the call of the third party user is released. The method of the present invention can solve the problem of call loss caused by the fact that the called party is busy so that the call completing rate is improved.
Description
Technical field
The present invention relates to telecommunication technology, specifically, relate to a kind of method that in stored-program control exchange, improves the calling call completing rate.
Background technology
Call completing rate is meant that successful respond is called out shared percentage in the all-calls of initiation.Concerning telecom operators, call completing rate is the very important index of symbol income, and call completing rate improves one percentage point, and actual is exactly thousands of operation up to a million income.Concerning the telephone subscriber, the raising of call completing rate means the information that obtains faster and betterly.For the telecom operators in area, the call completing rate of often examining this area to call out, i.e. calling call completing rate is to investigate its influence to the telecommunications income.
The reason that influences the calling call completing rate mainly contains two aspects:
1. switch aspect reason
1) reason of resource limit leads to the failure as resource exhaustion, faulty resource;
2) communication is bad, and is bad as communication between switch module, information drop-out;
3) signaling receives mistake, receives wrong number sign indicating number etc. as multi-frequency compelled signal, touch-tone signal.
2. external factor influence
1) the networking configuration is unreasonable, and excessive as some phone telephone traffic, relative its telephone traffic repeat circuit number with the exchange of some butt joint is very few;
2) call loss that causes of the reason of calling both sides is incomplete as calling party's dialing release early, Release while ringing, spacing wrong number, number; Callee's conversation is busy, non-conversation busy, long time no answer, no Incoming Access, registered absence or interruption-free, shutdown, Subscriber Locked, user's obturation or the like.
Normally move at switch, under the situation of resource abundance, owing to the influence of the reason of switch aspect is less relatively, can solve by the adjustment of networking configuration and resource apparatus simultaneously, mainly be that the call loss that calling both sides caused has very big influence to the calling call completing rate therefore.
In the use of reality, the main call loss reason of Incoming incoming call is respectively Release while ringing and dialing release early, and Called Busy, long time no answer reduce wherein any call loss, all will the call completing rate of switch be greatly improved.
For incoming call, Release while ringing and dialing release early be owing to calling party's reason causes, and can't allow the calling subscriber permanent as callee's switch, can't reduce these call losses at all; Long time no answer and Called Busy are that callee's reason causes, the obvious majority of long time no answer is that the user does not exist, also can't reduce this call loss, and for Called Busy be because the called subscriber use phone, switch should not be interfered user's use certainly, but the user as long as can remind the user by suitable method, reduces call loss with regard to certain possibility is arranged on the telephone set limit.
Solving the method that this type of problem adopted at present mainly contains:
1. the telecommunication service of switch
Two kinds of new business that switch provides: divert when busy and Call Waiting, can reduce the call loss of Called Busy to a certain extent.
Divert when busy is to reduce the most direct method of Called Busy, during Called Busy calling is transferred to another phone or mobile phone etc.This on the whole method needs telecom operators to enlarge the call resource capacity, and the telephone subscriber need invest to increase and install a telephone, and needs to increase by one section cost of the phone call.Moreover phone is often shared by many people, and the purpose phone of transfer is difficult to agree.There are part telecom operators that Voice Mailbox or manual board are arrived in user's divert when busy, the telephone subscriber need hand over extra mailbox expense and preceding cost of the phone call of changeing, Voice Mailbox also needs the extra input of telecommunication bureau, as mailbox equipment, with trunk interface of switch or the like, and the telephone subscriber often is accustomed to directly conversing with the other side.Consider operator and telephone subscriber's cost input and requirement, this mode is difficult to be implemented.
Call Waiting is when incoming call is busy, by reminding sound prompting user, recognizes that by the called subscriber button after the calling connects the calling of wait.This method does not have extra cost, it should be reasonable solution, but problem is present most telephone subscriber not to be understood fully to the new business of phone, the prompting sound of " pouting ... pout ... pout " to call waiting does not know it is what meaning, the hooking that also just is far from being is selected by certain numerical key and is waited for user's communication, is difficult to promote and use.And Call Waiting allows that the time that the user selects is 15 seconds, the overtime user who discharges wait, if the user uses Call Waiting to keep a user, and when another one user incoming call is arranged again, can be because of the busy call failure.Moreover call waiting function can only work to callee's busy state of conversing, and for other busy condition of telephone subscriber, for example, off-hook is busy, dialing is busy, listen ring-back busy etc. all inapplicable.Therefore, improve call completing rate by this call waiting and be difficult to that positive effect is arranged.
2. switch is plug-in dredges busy system
Plug-in thin busy system improves call completing rate at switch and designs, and its principle is exactly the calling that the failed calls of the long-distance incoming call local busy of part is converted into success, to improve call completing rate.The plug-in system of hurrying that dredges is made up of voice resource, trunk interface, register(system) resource, control system, and is general by linking to each other with switch with the road trunk interface.
Plug-in process of dredging busy system realization raising call completing rate is: when the long-distance incoming call of switch, the called local busy that is in, this calling is transferred to the plug-in relaying of going into of dredging busy system that links to each other with switch by switch, the plug-in system of hurrying that dredges sends accessibility signal for the calling party of long-distance incoming call, and allow caller listen ring-back tone, dredging busy system then is that artificial/semi-automatic long-distance calling is to switch by type of service of its out-trunk initiation, according to telecommunication specification, manually/semi-automatic trunk call local busy user, should realize inserting function, therefore switch is realized the insertion of external store system to busy user, insert the plug-in system of doing that dredges in back, busy user, form Three-Way Calling with the other user three of busy user's communication, plug-in thin busy system plays voice suggestion this moment, speech play finishes, dredging busy system stops to insert, it is the calling of local telephone network that this user was initiated class of service in 2～3 seconds at interval, when busy user's on-hook, the phone ring, user's off-hook, switch sends answer signal to the plug-in out-trunk of dredging busy system, user and the plug-in switching network of dredging busy system continue, plug-in thin busy receiving replied back connection switch and the plug-in voice channel of dredging between the system of doing, and send answer signal to switch to the plug-in relaying of going into of dredging busy system, switch sends to inward toll side with the answer signal of receiving, and connect plug-in speech channel of dredging busy system and inward toll relaying, finish trunk call.
This mode is owing to realize that the scope of automatic speech prompting is narrower on the principle, only limit to long-distance incoming call and also called be that the local telephone network conversation is busy, and actual this part call out and only account for the sub-fraction of whole calling, the raising of call completing rate is also inevitable limited.
Because external store system links to each other with switch by the trunk interface of pulse code modulation, need increase the relaying signaling interface of switching equipment, there are much relations the repeat circuit number of thin busy effect and increase and thin busy user's air time.As the trunk interface of a pulse code modulation between switch and external store system totally 30 repeat circuit, article 15, enter external store system, article 15, by external store system to switch, hear prompting back on-hook as certain user, off-hook again after external store system is given user's ring, then 1 advances 1 to go out two repeat circuits occupied always during current conversation.It is busy that the trunk interface of obvious 1 pulse code modulation dredges at most simultaneously 15 users, during traffic peak, meets busy the calling when surpassing 15 users, promptly can't realize dredging busy.Suppose that each on average conversed 10 minutes by dredging the busy user who enters conversation, then 1 advances 1 and goes out 2 circuit and per hour dredge busy six users at most, and the trunk interface of a pulse code modulation was dredged busy 90 users at most in 1 hour.Busy for effectively dredging, the necessary trunk interface number that increases pulse code modulation, the corresponding need increases voice resource number, the required register(system) number of resources of relaying, causes cost to increase.
In external store system, need switch to cooperate mostly, need switch registration divert when busy to this external store system.In fact the divert when busy business that registers to external store system has cancelled the right that the user uses the divert when busy business.
,, plug-inly dredge busy system and still carry out busy prompt when long-distance incoming call is arranged by modulator-demodulator online or when carrying out transfer of data the telephone subscriber, and transmission produces and disturbs to user's data.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of method that in switch, improves the calling call completing rate, can satisfy the low input cost of telecom operators, the requirement of high yield, it is easy to use also to satisfy the telephone subscriber simultaneously, the requirement of no extra charge expenditure.
The method that improves call completing rate in switch provided by the invention comprises the following step:
Third party's customer call first party user runs into the first party user when busy, keeps described third party user's calling;
Show the spare time for described third party user, and start long time no answer regularly;
Play voice suggestion for described first party user;
Recover the original calling of described first party user;
Detect whether on-hook of described first party user;
If described first party user's ring is then given in described first party user's on-hook;
If described first party user long time no answer regularly in not on-hook, perhaps off-hook not after the on-hook then stops to discharge described third party user's calling to described first party user's ring.
Can find out significantly from above, can explain the low problem of call completing rate that causes owing to reasons such as callee's conversation are done, non-conversation is busy to a great extent by method provided by the invention.
Description of drawings
Below in conjunction with accompanying drawing embodiments of the invention are described in further detail, above and other objects of the present invention, feature and effect will become more obvious by following description.In the accompanying drawing:
Fig. 1 is the schematic flow sheet that improves the method for call completing rate in switch of the present invention;
Fig. 2 is a hardware configuration schematic diagram of realizing the method for raising call completing rate of the present invention in switch;
Fig. 3 is the hardware configuration schematic diagram that suitably increases the digital processing element plate of external voice resource devices and audio mixing on switch.
Embodiment
The present invention is based on such design: promptly under most of situation of Called Busy, and be not only that trunk call local busy or conversation are busy.In case have the phone incoming call all as far as possible clearly directly by switch by this user of voice suggestion, finish incoming call again after allowing the on-hook of user elder generation become the free time, thereby the call loss of most called subscriber busy be converted into as much as possible the calling of success.Improve call completing rate largely, and whole process does not need additionally to take relay circuit resources.
Though adopted first party user and third party user's noun in superincumbent description and claims, but it is clear and convenient for ease of describing, below among the embodiment, adopt the mode of user A, user B and user C to describe, their corresponding relation is the first party user for user A, and user C is third party user.
In flow process shown in Figure 1, when user A and user B are calling out, user C calling party A.Generally, busy because of user A, user C calling party A handles as the call loss of called subscriber busy.For improving call completing rate, the concrete steps that the inventive method realizes are as follows:
1, the calling that keeps user C
When user C calling party A, switch system confirms that user A is in and calls out (step S1) after the busy condition that the calling that keeps user C is set in the long time no answer timing (step S2) between user C and user A simultaneously.
As user C calling party A and when meeting user A busy condition, can keep the action of the calling of user C regardless of the kind of the busy condition of user A.Also can detect the kind of the busy condition of user A.Generally speaking, subscriber busy condition comprises: dialing is busy, tin ring-back tone is busy, ring is busy or conversation is busy.Busy for ring, i.e. other users calling party A, the phone of user A is just in ring.Under this busy condition, user A to be carried out voice suggestion can't allow user A hear, i.e. the voice suggestion of this busy condition is invalid, thereby keeps user C, reresents user A and just there is no need.And user A makes a call (comprising that dialing is busy, listen ring-back busy) or when having entered talking state, giving the voice suggestion of user A is to allow user A hear, voice suggestion is effectively, then keeps user C just to be necessary.Therefore, busy for dialing, listen that ring-back is busy, busy these several states of conversation can give voice suggestion.But the user has its special requirement sometimes, and for example, the user does not wish when conversation disturbed, then can be set in the incoming call suggestion voice that does not receive third party user when conversation is done.Therefore, an alternative embodiment of the invention can run into user A when busy at user C calling party A, detects the busy state of user A, if the busy condition of user A is busy for dialing, listen ring-back busy or conversation is busy, the calling that then keeps user C.Another embodiment can be according to user's setting, detect the state that the user hurries busy for dialing, listen the busy or conversation of ring-back tone one of busy, keep described third-party calling.
When the user is busy, provides the function of third party call voice suggestion to can be used as a kind of new form of service to the user and offer the telephone subscriber.User A can select whether to accept above-mentioned third party call suggestion voice function.Telecom operators can also can be activated on phone or this business of deexcitation by user A by this business of the excited users A on maintenance terminal of telecom operators after authorizing the professional right to use to the user.Meet when busy dialing user A, user A has activated this new business and can be used as and determine to keep user C and give user A a necessary condition of prompting.
When determining whether to keep user C and giving user A voice suggestion, can also judge according to the type of call of user C.Generally speaking, the type of call of user C comprises inward toll and local calling.Can realize busy prompt at calling, to improve the call completing rate of particular call type at particular type.Therefore, in another embodiment of the present invention, when user C calling party A chance user A is busy, can detect the type of call of user C,, then keep third party user's calling if the type of call of user C is local call or inward toll.In yet another embodiment of the present invention, can one of local calling and inward toll be set at the condition that realizes busy prompt according to the needs of user or telecom operators.
According to the method that in switch, improves call completing rate provided by the invention, can also realize incoming call raising call completing rate to the part butt joint exchange of appointment.The calling of same-type, may only be concerned about the calling call completing rate of the exchange of a certain butt joint during actual the use, the present invention can be according to real needs, the incoming trunk circuit or the repeat circuit group attribute of the exchange of certain butt joint are set, realize when whether allowing incoming call to do the user effectively improving voice suggestion and specify the calling call completing rate of docking exchange.Whether the type of service of user C calling party A in the specified butt joint exchange scope of telecom operators, also can be used as decision and whether keeps user C and give user A a necessary condition of prompting.
According to the method that in switch, improves call completing rate provided by the invention, when the service attribute of some calling is unknowable, can select whether these incoming calls to be improved call completing rate.For example user C can't provide the type (as adopting the relaying of DTMF or Pulse Dialing) of incoming call to the signaling butt joint of user A; Perhaps owing to butt joint office reason, call business type that sends in the signaling and actual user C are to the type of service misdirection of user A; No matter come call type when this situation can be provided with from the busy call that this repeat circuit comes, all keep user C and give user A prompting, realize raising these incoming call call completing rates.
According to the method that in switch, improves call completing rate provided by the invention, can also whether give voice suggestion according to busy ongoing type of call of user or importance decision, for example when user C online or placement of emergency calls (for example 110,119), calling and some urgent call that online can be set do not allow voice suggestion, to satisfy telephone subscriber's actual requirement, be not subjected to the interference of other phones, can not keep user C this moment, discharge the calling of user C, do not influence the ongoing calling of user A.
2, connect for user C and show not busy signal tone
Switch system provides for user C and shows not busy signal tone (step S3) after the calling that has kept user C.Accessibility signal sound to the maintenance user can be a ring-back tone, also can be the voice of similar effect.
3, play voice suggestion for user A
Switch system finishes current talking or current busy condition as early as possible for reminding user A, gives the voice suggestion (S4) of user A broadcast request on-hook.
According to the method that in switch, improves call completing rate provided by the invention, when suggestion voice is play, the content of suggestion voice (information) can be only to require user's on-hook, can adopt the mode of voice sharing like this, only need a voice time interval resource, connect switching network to a plurality of busy users by broadcast type, promptly can be a large amount of busy users prompting is provided; The calling number that also can play calling requires on-hook simultaneously, can also comprise the type of service (for example inward toll, local calling) of incoming call, and play the calling calling number, requires user's on-hook.In this case to each busy user's play content difference, by switching network the voice of different content are routed to different busy users respectively, the voice resource that takies is more.Can come the configured voice resource according to the busy constantly number of users of certain traffic peak of statistics under this mode.
According to the method that in switch, improves call completing rate provided by the invention, when sending suggestion voice, can be calling speech channel short time interrupt mode to the user, i.e. several approximately seconds are interrupted in short time calling, and outgoing is normal, and voice have been put and have been recovered the calling speech channel; The two-way telephone circuit that yet can be busy user is not interrupted, and suggestion voice and calling are heard simultaneously.Preceding a kind of mode realizes simpler, cost is lower, but the minimal effect that conversation is had the short time, a kind of conversation in back is unaffected fully, need to increase the Digital Signal Processing resource of part audio mixing, this Digital Signal Processing resource of finishing sound mixing function can be the digital signal processing unit of switch inside, also can be to handle resource by the external digital signal that trunk interface links to each other with switch.Can and become original according to concrete demand realizes.
In the resource of sending suggestion voice to the user, it can be the voice resource plate of switch inside, it also can be the external voice resource that links to each other with switch by trunk interface, the signal of switch and voice resource can be LAN or serial ports or LAPD mode alternately, and the repeat circuit that voice resource links to each other with switch finishes in speech play and discharges immediately.
After suggestion voice finishes, if the user has registered CLIP service, and be conversation state caller ID display phone, should show dial-in customer's calling number on the phone.
4, recover the original calling of user A
Switch system finishes in speech play, stops voice suggestion, recovers the original calling (and the calling between user B) (step S5) of user A.
5, detect whether on-hook of user A
In the long time no answer timing length between user C and user A, detect whether on-hook (step S6) of user A.If user A is permanent, and between user C and user A long time no answer regularly overtime (step S8) turn to execution in step S9, stop to detect whether on-hook of user A, discharge user C, the flow process end.If user A on-hook, then execution in step S7 gives user A ring.
6, detect whether off-hook of user A
Then at step S10 and S11, in the long time no answer timing length between user C and user A, detect whether off-hook of user A.If user A off-hook, execution in step S12; If user A is off-hook not, and long time no answer is regularly overtime between user C and user A, then turns to execution in step S13, stops the ring to user A, discharges user C (step S9) then, finishes.
7, the calling between connecting subscribers participating C and user A
If detect user A off-hook at step S10, then execution in step S12 sends answer signal for user C, and the speech channel of connecting subscribers participating A and user C is dredged busy function thereby finish.
The method that improves call completing rate in switch provided by the present invention has the scheme of multiple enforcement on hardware.Can make full use of existing resource, only upgrade the type of voice in switch software and the increase sound resource, not increase any hardware resource, also can suitably increase the digital processing element plate of voice resource plate and audio mixing in switch, it disposes as shown in Figure 2.
If the prompting to each busy user must be taked independently speech play, play third-party number or come call type as in voice, needing, voice content is different to different users, then need the quantity of voice resource more, can suitably increase the voice resource plate according to the configuration capacity of switch.In realizing concrete steps 3 of the present invention, the voice suggestion that each busy user arrived is connected on the switching network by the voice channel of inside, and is routed on each busy user's voice passage by the switching network voice suggestion that content is different.
If the unbroken mode of calling calling speech channel of taking busy user conversing for busy user's suggestion voice, promptly busy user just can hear speech and the suggestion voice in correspondent simultaneously, switch must carry out audio mixing to the speech of suggestion voice and busy user's communication side to be handled, promptly in concrete steps 3 of the present invention, to hurry user's the calling voice and the suggestion voice of correspondent of switch is routed to the digital signal processing unit plate by switching network, and the voice exported behind the digital signal processing unit plate audio mixing are routed to busy user by switching network, this moment, busy user can hear the voice of prompting and correspondent user's speech simultaneously.
Method provided by the present invention also can suitably increase the external hardware devices of switch on hardware, as shown in Figure 3.If comprise information such as number and calling classification in the suggestion voice to busy user, or take the unbroken mode of both sides' speech channel for busy user's suggestion voice, resource needed also can realize by increasing outside hardware device.Fig. 3 and Fig. 2 are in concrete steps 3 of the present invention in the difference on the specific implementation of the present invention, the signal of switch and voice resource equipment, Digital Signal Processing resource apparatus is LAN or serial ports or LAPD mode alternately, control signal by switch, the suggestion voice of realizing sound mixing function Digital Signal Processing resource apparatus, voice resource equipment can utilize any one voice channel interface of switch to be connected to switching network, is routed to concrete busy user by switch control by switching network.
The method of raising call completing rate provided by the present invention can be widely used in various switches.The present invention is easy to realize on switch, and the realization cost is extremely low, can not need to increase any hardware device, has greatly reduced the input cost of telecom operators.Because method of the present invention satisfies telephone subscriber's requirement, prompting is directly used simply, in time connects and obtains information, and can not increase any extra charge.Telecom operators are easy to promote in the telephone subscriber, thereby utilize method of the present invention in a big way user's call loss of hurrying be converted into the calling of success, and most of busy condition of called subscriber can realize dredging busy by method of the present invention, it is wider to dredge busy scope, and the call completing rate increase rate is bigger.And the present invention can require control flexibly according to telecom operators in realization, greatly improves to realize the telecommunications income.
Claims (7)
1, a kind of method that improves call completing rate in switch comprises the following step:
Third party's customer call first party user runs into the first party user when busy, keeps described third party user's calling;
Show the spare time for described third party user, and start long time no answer regularly;
Play voice suggestion for described first party user;
Recover the original calling of described first party user;
Detect whether on-hook of described first party user;
If described first party user's ring is then given in described first party user's on-hook;
If described first party user long time no answer regularly in not on-hook, perhaps off-hook not after the on-hook then stops to discharge described third party user's calling to described first party user's ring.
2, the method that in switch, improves call completing rate as claimed in claim 1, it is characterized in that, meet described first party user when busy described third party's customer call first party user, detect the state that the first party user does, when if first party user's busy condition is busy for dialling, tin ring-back tone is busy or conversation is done, keep described third party user's calling.
3, the method that in switch, improves call completing rate as claimed in claim 1, it is characterized in that, meet described first party user when busy described third party's customer call first party user, detect described third party user's type of call, if described third party user's type of call is local calling or inward toll, then keep described third party user's calling.
4, the method that in switch, improves call completing rate as claimed in claim 1, it is characterized in that, meet described first party user when busy described third party's customer call first party user, detect the state that the first party user does, if user's busy condition is called out or urgent call for online, then discharge described third party user's calling.
5, the method that improves call completing rate in switch as claimed in claim 1 is characterized in that, the mode of interrupting the calling speech channel with the short time plays voice suggestion for described first party user.
6, the method that improves call completing rate in switch as claimed in claim 1 is characterized in that, with the calling speech channel of not interrupting described first party user, play voice suggestion for described first party user by the mode of audio mixing.
7, as claim 1, the 5 or 6 described methods that in switch, improve call completing rate, it is characterized in that the information of voice prompt of playing for described first party user comprises one of following form or their combination: have that the third party sends a telegram here, third party's user's telephone number, third party user's an incoming call type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB00120047XA CN1163050C (en) | 2000-06-28 | 2000-06-28 | Method for increasing cell completing rate in exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB00120047XA CN1163050C (en) | 2000-06-28 | 2000-06-28 | Method for increasing cell completing rate in exchanger |
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| CN1331543A CN1331543A (en) | 2002-01-16 |
| CN1163050C true CN1163050C (en) | 2004-08-18 |
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| CNB00120047XA Expired - Fee Related CN1163050C (en) | 2000-06-28 | 2000-06-28 | Method for increasing cell completing rate in exchanger |
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| CN100450123C (en) * | 2004-05-24 | 2009-01-07 | 中兴通讯股份有限公司 | Method for raising call completing rate between exchange |
| KR100736562B1 (en) * | 2005-03-04 | 2007-07-09 | 엘지전자 주식회사 | Mobile Communication Terminal Having Alarm Function During Calling and Method thereof |
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