CN1825870A - Method and system for improving ring back tone service to user small exchanger - Google Patents
Method and system for improving ring back tone service to user small exchanger Download PDFInfo
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- CN1825870A CN1825870A CN 200510008308 CN200510008308A CN1825870A CN 1825870 A CN1825870 A CN 1825870A CN 200510008308 CN200510008308 CN 200510008308 CN 200510008308 A CN200510008308 A CN 200510008308A CN 1825870 A CN1825870 A CN 1825870A
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Abstract
This invention discloses a method and a system providing ring-back service to PABX including: a user small exchanger receives the call request from a calling user by a called party exchanger, the PABX restrains traditional ring-back sounds and sends extension ring inform information with the called number to the called exchanger, which picks up the called number and sends call successive information to the ring-back server after receiving the ring inform information, the server inquires about the ring-back sound designed by the called number and informs the called exchanger to play it to the calling user.
Description
Technical field
The present invention relates to the audible ringing tone service technology, particularly a kind of method and system that audible ringing tone service is provided to PABX (private branch exchange).
Background technology
In telephone call, the state information of circuit is notified the user by the calling procedure sound between switching equipment and the subscriber equipment, and common calling procedure sound comprises dialing tone, busy tone and ring-back tone etc., and they are normally fixedly installed by system.In the prior art, the patent No. is that the PCT patent " Advertising method by using ring-backtone " of WO 00/49793 has proposed a kind ofly to substitute the method for common ring-back tone with the tinkle of bells of network settings, thereby allows network to play advertising message by ring-back tone.At user in this technology the problem of ring-back tone, PCT patent WO 03/071815 " Method and Apparatus forproviding subscriber-based ringback tone " can not be set independently, PCT patent WO2004/023829 " Method for controlling routing information forintellectual peripherals in subscriber-based ring-back toneservice ", U.S. Patent application US 2004/0174983 " Configurable callprogress tohes " etc. has proposed a kind of implementation method of personalized ring back tone service.In this type of technology, the own Customized Ring Back Tone that provides to caller when called can be provided the user, comprise and different user group to be set and these users' groups are provided with different ring-back tones according to calling number, and carry out mode of operation such as being provided with of ring-back tone at times.In US2004/0174983, then further propose except that audio frequency, but multimedia messagess such as displaying video, text, picture also.
In above-mentioned audible ringing tone service, the voice flow that the user provides by Virtual network operator in advance, management process or portal website customize its personalized ring-back tone, when certain calling user dials has customized called subscriber's the number of personalized ring back tone service, by certain signalling interactive process, if the ring-back tone that called subscriber's idle systems promptly sets in advance with the called subscriber replaces the dull ring-back tone of tradition, behind called subscriber's off-hook, system promptly stops playing RBT, and enters normal talking state.On specific implementation, described audible ringing tone service mainly contains two class implementations: promptly based on the target network scheme of switch with based on the overlay network scheme of intelligent network.Wherein, based on the switch mode be by revise switch software and in switch storage applied for that the user data of Customized Ring Back Tone and ring-back tone realize.And thereby the intelligent network scheme is to have revised the playback process realization personalized ring back tone service of original call flow in original call flow by the intelligent network control mode.
On the other hand, group user such as enterprise often adopts private branch exchange (PABX) to provide communication for group internal.PABX usually adopts semi-automatic direct dialing mode, automatically dial directly mode and hybrid mode etc. inserts public networks.It is at present domestic that generally adopt is the PABX of semi-automatic direct dialing mode, the PABX that adopts this mode need be by computer or manual operator switching when incoming call, and promptly the calling subscriber need hear that renewing the extension of dialling extension and maybe will needing to transfer after operator's off-hook is replied tells manual operator and be responsible for switching by it; And when outbound call, need listen secondary dial tone, and wherein dialing tone is that this PABX sends for the first time, dialing tone is then sent by public exchange for the second time.Adopting the PABX of full-automatic direct dialing mode no matter to dial in still to transfer to all only needs one-stage dialing, when adopting semi-automatic direct dialing mode only trunk line to take the number resource of public network different, this moment, each extension set all will take a number of public network.
Because continuing between the subscriber exchange completely restricted extension finished and without public exchange, therefore the above-mentioned audible ringing tone service that provides for the public network user can not directly provide to the PABX internal user by PABX itself.For this reason, PCT patent application WO2004/095817 " Method andapparatus for providing ring back tone using a privateautomatic branch exchange " has proposed a kind of method and apparatus that audible ringing tone service is provided in PABX, as shown in Figure 1.Be not difficult to find out that this technology realizes that by additional corresponding ring back tone device on PABX its essence and the aforementioned technology that adopts are similar in public network.
But, provide audible ringing tone service to bring bigger cost according to above-mentioned technology in the PABX side to the enterprise customer, show that mainly enterprise must buy the ring-back tone memory control apparatus, also will upgrade to PABX simultaneously; On the other hand, although the telecom operators of common network itself have set up perfect audible ringing tone service platform, adopt this technology telecommunication network operators still can't provide audible ringing tone service to the group user that adopts PABX.In fact, if the telecom operators of common network can provide audible ringing tone service to the group user that adopts PABX, the extension set that is each PABX all can be provided with personalized ring-back tone, provide the different configurable ring-back tones of extension subscriber to PABX incoming call from outside line, because PABX group user quantity is very big and it is easy to take as collecting simple and effective tariff mode such as Monthly Fee according to the extension subscriber number, therefore will help the communication network operation makes full use of existing storage resource.
Summary of the invention
At defective of the prior art, technical problem to be solved by this invention provides a kind of method and system that audible ringing tone service is provided to PABX.
According to an aspect of the present invention, provide a kind of and provide the system of ring-back tone to private branch exchange, comprising: PSN comprises calling party's switch that is positioned at calling subscriber's one end and the callee's switch that is positioned at called subscriber's one end; Private branch exchange is connected to this PSN by the call request of callee's switch reception from the calling subscriber by callee's switch; It is characterized in that described system also comprises: the audible ringing tone service server, be connected to PSN, be used for storage, management and the broadcast of ring-back tone; And the service management node, be connected to the audible ringing tone service server, be used to provide the customization and the administration portal of Customized Ring Back Tone.
According to another aspect of the present invention, provide a kind of and provide the method for ring-back tone, comprised the steps: that private branch exchange passes through callee's switch and receives call request from the calling subscriber to private branch exchange; Private branch exchange suppresses traditional ring-back tone by the call request that callee's switch receives from the calling subscriber, sends the subsidiary extension set ringing message that called number is arranged to callee's switch; Callee's switch extracts called number and sends call proceeding message to the audible ringing tone service server after receiving this extension set ringing message; The ring-back tone of this called number customization of audible ringing tone service server lookup; The audible ringing tone service server is play the ring-back tone of this called number customization to the calling subscriber by callee's switch.
Because in the present invention, because the audible ringing tone service server is realized in the public exchange side, rather than as prior art, in the PABX switch, realize, so, compared with prior art, this method only needs to carry out software upgrading on existing equipment and can realize, and can make full use of the existing audible ringing tone service platform of operator, both saved the expense of buying new equipment, and can bring new profit for operator again for the group users such as enterprise that adopt PABX.
Description of drawings
Fig. 1 shows the network configuration of prior art with the block diagram form;
Fig. 2 shows according to network configuration of the present invention with the block diagram form;
Fig. 3 shows the signaling process figure that audible ringing tone service is provided to PABX user according to the present invention;
Fig. 4 shows the specific embodiment of the above-mentioned signaling process when adopting the PRI interface to make relaying between PABX and the PSTN.
Embodiment
Fig. 2 shows network configuration involved in the present invention, fixed network user and mobile subscriber are connected to the PSTN network by fixed network switch and mobile switch respectively among the figure, thereby each extension subscriber of PABX is connected to local switch by PABX and inserts the PSTN network, audible ringing tone service server CRBTS links to each other with the PSTN network, finish the storage of ring-back tone, functions such as management and broadcast, the service management point then provides the administration portals such as customization of Customized Ring Back Tone, and the user can pass through the internet, modes such as interactive voice response utilize this service management point to operations such as its Customized Ring Back Tone customize.Typically, the PABX enterprise customer can be according to the ring-back tone of each extension set of the unified customization of certain mode, as different extension groupings is customized, adopt the ring-back tone of broadcasting the enterprise product informative advertising as all extensions to sales department, research and development department is adopted the advertisement ring-back tone of embodiment company technical strength etc., in addition, enterprise also can allow the employee to customize oneself Customized Ring Back Tone under certain condition, plays the Customized Ring Back Tone of employee oneself setting etc. as the time of having a rest and the later period of coming off duty at noon.In addition, described ring-back tone also comprises video, audio frequency and text.
Figure 3 shows that based on of the present invention provides the signaling process figure of audible ringing tone service to PABX user, and calling party's switch can be that the fixed network switch also can be a mobile switch among the figure.For the PABX user of semi-automatic direct dialing mode, the specific implementation step is:
1. the calling subscriber to PABX user's request of making a call, promptly dials the PABX general number by calling party's switch earlier;
Calling party's switch relaying this call out callee's switch;
3. if between callee's switch and the PABX idle relay is arranged, then callee's switch is to the PABX ringing-signal feeding, and continues step 4; If there is not vacant relaying between callee's switch and the PABX, then callee's switchboard direct was connected calling party's switch and was broadcast the notice of call failure factor to the calling subscriber, and call flow finishes simultaneously;
4. after PABX replys, just between calling subscriber and PABX, set up speech channel, and the two enters speech channel on-state (before PABX replys, if the PABX exchange has customized specific ring-back tone, then according to the broadcast of the corresponding customizing ring-back tone of existing techniques in realizing);
5～6. if PABX takes manual answering's mode, and the operator will inquire the extension that need dial to the calling subscriber, and the extension that its of calling subscriber's announcement need be called out is responsible for carrying out recall by the operator on the PABX switch; If PABX takes auto-answer mode, then PABX will send two-stage dialing prompting warning tone to the calling subscriber, and import its extension that need call out by the calling subscriber and carry out two-stage dialing;
7. if extension set is in idle condition, PABX send ALERTING message to extension set, and the step 8 below continuing; If extension set is in the calling obstacle, then PABX send the call failure factor warning tone to the calling subscriber, notifies calling and called switch and CRBTS to discharge with this time simultaneously and calls out relevant resource;
8.PABX suppress traditional ring-back tone, and send extension set ringing message to callee's switch, this message has been attached called extension;
9. after callee's switch receives the extension set ALERTING message, extract called extension and send call proceeding message to CRBTS, CRBTS inquires about the ring-back tone that this extension customizes after receiving this call proceeding message immediately;
10～11. after CRBTS inquires the ring-back tone of this extension customization, plays the ring-back tone of this extension subscriber customization to the calling subscriber by callee's switch at once;
12 ~ 14. after the extension subscriber off-hook of PABX is replied, PABX send the extension subscriber response message by callee's switch to CRBTS, after CRBTS receives this response message, stop to play the ring-back tone of extension subscriber customization immediately, the ring-back tone between release and the callee's switch transmits link simultaneously.Like this, just set up speech path between the extension subscriber of calling subscriber and PABX, the two enters the normal talking state.
For the PABX user who adopts full-automatic direct dialing mode, because the calling subscriber directly dials the number of PABX extension subscriber, therefore need not to carry out above-mentioned steps 5～6, simultaneously, PABX only needs send extension set ringing message and need not in the subsidiary called extension of this message to callee's switch in step 8.Other is adopted the PABX of hybrid mode, if need two-stage dialing can adopt identical realization flow, if only need one-stage dialing then to adopt and the full-automatic identical realization flow of direct dialing mode PABX with semi-automatic direct dialing mode PABX.
The key of above-mentioned realization flow is that PABX passes through the signaling link of trunk interface between itself and the local switch to PSTN loopback extension set ringing message and extension subscriber response message.Therefore in order to implement the method that the present invention proposes, need be between PABX and local switch increase the function of PABX in the signaling of trunk interface, need define new type of message and corresponding field for this reason to support this function to PSTN loopback extension set ringing message and extension subscriber response message.In the prior art, the interface of PABX and PSTN adopts the PRI interface and the types such as two wires or four line analog interfaces of numeral usually, wherein, the PRI interface of numeral adopt Q.931 as and PSTN between signaling, analog interface then adopts register signaling such as R2 signaling etc.Be that example carries out the concrete enforcement of above-mentioned signaling process is described with digital PRI interface commonly used below.
In order to support the function of PABX to PSTN loopback extension set ringing message and extension subscriber response message, as a unrestricted exemplary example, the present invention has followed Q.931 message structure redetermination a message " PABX INFORM " (PABX notice), and is as shown in table 1." type " hurdle represents that this information unit is (M) optional (O) or necessary in the table, " protocol-identifier ", " Call Reference Value " are each Q.931 necessary information units of message with " type of message " three information units in addition, and definition that it is detailed and usage can be with reference to protocol specification books Q.931.
Table 1: the definition of " PABX notice " each information unit of message
| The information unit title | Direction | Type | Byte length | Explanation | |
| Protocol-identifier (Protocol discriminator) | - | | 1 | Be used to identify Q.931 agreement. | |
| Call Reference Value (Call reference) | - | | 2 or more than | Be used for the call control information of a plurality of network layers is discerned. | |
| Type of message (Message type) | - | | 1 | Be used for identification to this message. | |
| Extension (Extension number) | User-to- | M | 2 or more than | Be used to identify extension. | |
| Extension set state (Extension status) | User-to- | M | 2 | Be used for notifying the state of the corresponding extension set of this extension, comprise that branch power ringing, extension set state information such as reply to network. |
Fig. 4 shows the specific embodiment of the above-mentioned signaling process when adopting the PRI interface to make relaying between PABX and the PSTN, has saved above-mentioned steps 1～4 pairing signaling procedure among the figure.As shown in Figure 4:
1. carry out two-stage dialing by operator's (manual answering's mode) or calling subscriber's (auto-answer mode);
2. when extension subscriber is in idle condition, PABX send ring back tone to extension subscriber, PABX sends " PABX notice " message to callee's switch simultaneously, " extension " field of this message has been carried the two-stage dialing extension that PABX collects, and " extension set state " field then indicates this extension set to be in ringing condition;
3. after callee's switch is received this " PABX notice " message, send isup message IAM to CRBTS, the value of " called party number (Called party the number) " field in this IAM message is by entrained extension formation in " extension " field in PABX general number and above-mentioned " PABX notice " message of receiving;
The ring-back tone that 4～5.CRBTS searches corresponding extension subscriber according to the given PABX general number of " called party number " field value in this IAM message of receiving and corresponding extension, and play corresponding ring-back tone to the calling subscriber by callee's switch;
6. when the extension subscriber off-hook was connected phone, PABX promptly sent " PABX notice " message to callee's switch, and " extension " field of this message has been carried this extension, and " extension set state " field then indicates this extension set to reply;
7. after callee's switch receives this " PABX notice " message, promptly send ISUP response message ANM to CRBTS, CRBTS promptly stops playing RBT and discharges this speech channel after receiving this ANM, and the extension subscriber of calling subscriber and PABX then enters the normal talking state.
Claims (26)
1. one kind provides the method for ring-back tone to private branch exchange, comprises the steps:
Private branch exchange is by the call request of callee's switch reception from the calling subscriber;
Private branch exchange suppresses traditional ring-back tone, sends the subsidiary extension set ringing message that called number is arranged to callee's switch;
Callee's switch extracts called number and sends call proceeding message to the audible ringing tone service server after receiving this extension set ringing message;
The ring-back tone of this called number customization of audible ringing tone service server lookup;
The audible ringing tone service server is play the ring-back tone of this called number customization to the calling subscriber via callee's switch.
2. according to the method for claim 1, also comprise step:
After the extension subscriber off-hook is replied, private branch exchange sends the extension subscriber response message by callee's switch to the audible ringing tone service server, after the audible ringing tone service server is received this message, stop to play custom ringtone, the ring-back tone between release and the callee's switch transmits link simultaneously.
3. according to the system of claim 1, wherein, described ring-back tone also comprises video, audio frequency and text.
4. according to any one method among the claim 1-3, wherein, described private branch exchange is taked the mode of automatically dialing directly.
5. according to any one method among the claim 1-3, wherein, described private branch exchange is taked manual answering's mode, is responsible for inquiring extension and switching by the operator.
6. according to any one method among the claim 1-3, wherein, described private branch exchange is taked auto-answer mode, and described private branch exchange sends two-stage dialing prompting warning tone to the calling subscriber, imports extension by the user and carries out two-stage dialing.
7. according to any one method among the claim 1-3, wherein, the interface between described private branch exchange and the callee's switch is the PRI interface.
8. according to the method for claim 7, wherein, described private branch exchange sends the state that the private branch exchange notification message of agreement is Q.931 notified called extension of following to callee's switch.
9. according to any one method among the claim 1-3, wherein, the interface between described private branch exchange and the callee's switch is an analog interface.
10. according to the method for claim 9, wherein, described private branch exchange sends the state that R2 signaling message is notified called extension to callee's switch.
11. according to Claim 8 or 10 method, wherein, described state comprises that branch power ringing, extension set reply.
12. one kind provides the system of ring-back tone to private branch exchange, comprising:
PSN comprises calling party's switch that is positioned at calling subscriber's one end and the callee's switch that is positioned at called subscriber's one end;
Private branch exchange is connected to this PSN by callee's switch;
It is characterized in that described system also comprises:
The audible ringing tone service server is connected to PSN, is used for storage, management and the broadcast of ring-back tone; And
The service management node is connected to the audible ringing tone service server, is used to provide the customization and the administration portal of Customized Ring Back Tone.
13. according to the system of claim 12, wherein, described PSN is a public switch telephone network.
14. according to the system of claim 12, wherein, described PSN is made up of public switch telephone network and mobile telephone network.
15. according to the system of claim 12, wherein, described ring-back tone also comprises video, audio frequency and text.
16. according to any described system among the claim 12-15, wherein, described private branch exchange is taked the mode of automatically dialing directly.
17. according to any one system among the claim 12-15, wherein, described private branch exchange is taked manual answering's mode, is responsible for inquiring extension and switching by the operator.
18. according to any one system among the claim 12-15, wherein, described private branch exchange is taked semi-automatic response mode, sends two-stage dialing prompting warning tone by described private branch exchange to the calling subscriber, imports extension by the user and carries out two-stage dialing.
19. according to any one system among the claim 12-15, wherein, described private branch exchange can also be taked hybrid mode.
20. according to any one system among the claim 12-15, wherein, the user by the internet to service management node customizing ring-back tone.
21. according to any one system among the claim 12-15, wherein, the user by the interactive voice response mode to service management node customizing ring-back tone.
22. according to any one system among the claim 12-15, wherein, the interface between described private branch exchange and the callee's switch is the PRI interface.
23. according to the system of claim 22, wherein, described private branch exchange sends the state that the private branch exchange notification message of agreement is Q.931 notified called extension of following to callee's switch.
24. according to any one system among the claim 12-15, wherein, the interface between described private branch exchange and the callee's switch is an analog interface.
25. according to the system of claim 24, wherein, described private branch exchange sends the state that R2 signaling message is notified called extension to callee's switch.
26. according to the system of claim 23 or 25, wherein, described state comprises that branch power ringing, extension set reply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100083081A CN100479479C (en) | 2005-02-21 | 2005-02-21 | Method and system for improving ring back tone service to user small exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100083081A CN100479479C (en) | 2005-02-21 | 2005-02-21 | Method and system for improving ring back tone service to user small exchanger |
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| Publication Number | Publication Date |
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| CN1825870A true CN1825870A (en) | 2006-08-30 |
| CN100479479C CN100479479C (en) | 2009-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100083081A Expired - Fee Related CN100479479C (en) | 2005-02-21 | 2005-02-21 | Method and system for improving ring back tone service to user small exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008034390A1 (en) * | 2006-09-18 | 2008-03-27 | Huawei Technologies Co., Ltd. | The method and device for determining the inner user of the calling center system |
-
2005
- 2005-02-21 CN CNB2005100083081A patent/CN100479479C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008034390A1 (en) * | 2006-09-18 | 2008-03-27 | Huawei Technologies Co., Ltd. | The method and device for determining the inner user of the calling center system |
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| CN100479479C (en) | 2009-04-15 |
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Granted publication date: 20090415 Termination date: 20160221 |