WO2008019623A1

WO2008019623A1 - A busy-reminding service realizing method, apparatus and system

Info

Publication number: WO2008019623A1
Application number: PCT/CN2007/070454
Authority: WO
Inventors: Deping Yang
Original assignee: Huawei Technologies Co., Ltd.
Priority date: 2006-08-16
Filing date: 2007-08-10
Publication date: 2008-02-21
Also published as: CN1929519A

Abstract

A busy-reminding service realizing method is achieved, wherein recall platform receives a call, which is forwarded to the platform when the called terminal registering the busy-reminding service is busy, said platform recognizes the calling terminal information and the called terminal information, places a call to the called terminal, and then places a call to the calling terminal when the called terminal is connected. A busy-reminding service system comprises a module set in switch network for forwarding a call to a platform when the called terminal registering the busy-reminding service is busy, and a platform for receiving the calling message of the called terminal from the switch network and recognizing the calling terminal information and the called terminal information, the platform placing a call to the called terminal, and then placing a call to the calling terminal when the called terminal is connected. By reminding the called terminal through the network that there is an incoming call and by recalling the calling terminal automatically, the busy-recall service registered by the called terminal can be achieved and the service could be across various switches.

Description

Method, system and device for realizing busy reminding service

Technical field

The present invention relates to the field of communications, and in particular, to a method, system and device for implementing a busy reminder service. Background of the invention

Current telecommunication systems can have multiple forms, such as PSTN (Public Switched Telephone Network), or PLMN (Public Land Mobile)

Telecommunication Network

, land mobile network) and so on. The public switched telephone network includes at least one LE (Local Exchange, local exchange device), and the public land mobile network includes at least one local MSC (Mobile Switch Centre).

In the above telecommunications system, the calling terminal calls the called terminal. If the called terminal is talking, the call will not be connected, so that people may miss important opportunities because they miss the call.

In order to solve the above problem, a busy callback service known in the public switched telephone network is proposed in the prior art: the calling terminal performs a call registration registration callback service after the called terminal is busy, and when the called terminal is idle, The switch automatically initiates a callback to the calling terminal. After the calling terminal picks up the phone, the switch automatically initiates a call to the called terminal. The specific implementation process of the method is as shown in FIG. 1 and includes the following steps:

Step slOl, the calling terminal A applies for a new service right that is busy calling back;

Step sl02, the calling terminal A dials the called terminal B of the local office;

Step sl03, the status of the called terminal B is busy, and the switch plays a busy tone to the calling terminal A; Step sl04, the calling terminal A beats the fork, listens to the special dial tone, and then dials *59#

, register the busy callback service, and then hang up;

Step sl05, after the switch registers the busy callback, it will monitor the called terminal B.

In the state, when the called terminal B is idle, the switch initiates a call to the calling terminal A. After the calling terminal A picks up the phone, the switch connects to the called terminal B, so that the calling terminal A and the called terminal B make a call.

In the process of implementing the present invention, the inventor has found that the above-mentioned busy callback service has at least the following problems: The service is applied by the calling terminal A, and the calling terminal A Register after the flash to control whether to initiate a callback. The service cannot be called by the called terminal B.

Application. For example: For some companies that book and send water, if the calling terminal calls these companies to be busy, the calling terminal may choose other companies to provide services. Therefore, these booking and water delivery companies will hope that the telecom operators will provide The callback service registered by the called party can automatically initiate a callback to the calling party after the called terminal is idle. In addition, the existing callback service must be registered by the calling terminal through the flashing fork, and cannot be automatically registered. If the user with the busy call service right encounters the busy call, the callback information will not be automatically registered, and the user is required to You can register the callback information of this call by dialing a special character after the busy tone.

[14] Also, the calling terminal can only register the callback service for the call in the local office. After the call is busy, the calling terminal slaps the registration of the callback service, and the callback information is recorded in the exchange where the caller is located. In the database. In the prior art, the switch where the calling terminal is located determines whether the called terminal is idle by continuously detecting the state of the called terminal. And this non-stop detection method is due to PSTN/PLMN

The limitation of the network, the switch can only detect the status of the called terminal of the local office, so the calling and called terminals must be in the same exchange, which greatly limits the scope of the busy callback service.

[15] Summary of the invention

[16] An embodiment of the present invention provides a method and system for implementing a busy reminder service, where a called terminal applies for a busy reminder service, and can implement a busy callback between different exchanges.

[17] An embodiment of the present invention provides a method for implementing a busy reminder service, including:

[18] The callback platform receives the call, and the call is: when the called terminal that registers the busy reminder is busy, the call is forwarded to the callback platform;

[19] the callback platform identifies the calling and called terminal information of the call from the transferred call;

[20] The callback platform initiates a call to the called terminal, and after the called terminal is connected, the callback platform initiates a call to the calling terminal.

[21] An embodiment of the present invention further provides an implementation system for a busy reminder service, including:

[22] The called network is busy in the switching network, and the called terminal is busy, and the call is transferred to the calling back platform module;

[23] a callback platform, configured to receive a call message of the called terminal through the switching network, and identify the calling and called terminal information of the call from the message; the callback platform initiates a call to the called terminal, where Called terminal After being turned on, the callback platform initiates a call to the calling terminal.

[24] An embodiment of the present invention further provides a callback platform for a busy reminder service, including:

[25] the receiving unit is configured to receive a call message of the called terminal;

[26] the information identifying unit, configured to separate the calling and called terminal information from the call message;

[27] the status detecting unit is configured to initiate a call to the called terminal according to the information separated by the information identifying unit

, to detect whether the working state of the called terminal is idle;

[28] The call control unit is configured to: when the working state of the called terminal is idle, turn on the calling and called terminals according to the information separated by the information identifying unit.

[29] According to the description of the above technical solution, when the calling terminal calls the called terminal and the called terminal does not respond, the network side reminds the called terminal that there is an incoming call, and automatically calls back to the calling terminal, and can exchange in different exchanges. The bureau realized a busy callback.

[30] In addition, the callback platform first initiates a call for the called terminal, which solves the problem of determining the busy state of the called terminal. In the traditional busy callback scheme, the network is required to detect the busy state of the called terminal, and initiate a call to the calling terminal after the called terminal is idle. Due to the limitation of the network, only the calling terminal and the called terminal can perform the detection of the status of the called terminal after being downloaded from the same exchange. The solution initiates a call to the called terminal. When the called terminal is still busy, the callback platform detects that the call fails, and the callback platform delays the call and then re-calls. When the called terminal is idle, the called terminal is connected. This method is equivalent to detecting the busy state of the called terminal by calling mode. The calling terminal and the called terminal may be any users in the PSTN/PLMN network.

[31] BRIEF DESCRIPTION OF THE DRAWINGS

[32] FIG. 1 is a flow chart of a busy callback service of a public switched telephone network in the prior art;

2 is a structural diagram of a system for implementing a busy reminder service according to an embodiment of the present invention;

3 is a structural diagram of a callback platform in a busy reminder service system according to an embodiment of the present invention;

[35] FIG. 4 is a flowchart of a method for implementing a busy reminder service according to an embodiment of the present invention;

[36] FIG. 5 is a connection flowchart of a call forwarding in an embodiment of the present invention;

6 is a flow chart of a call after being forwarded to a callback platform according to an embodiment of the present invention.

[38] Mode for carrying out the invention

The invention will now be described in detail in connection with the specific embodiments. [40] The system structure of the embodiment of the present invention is as shown in FIG. 2, and includes a calling terminal A 10, a called terminal B 11 , a switching network 12 , and a callback platform 13 . Which call back platform 13

It is a telecommunication device with call processing capabilities and built-in call control logic such as intelligent network devices or switch devices. The callback platform 13 is configured to receive the call message sent by the called terminal B 11 through the switching network 12, and identify the calling and called terminal information of the call from the call message; and detect the called terminal status by initiating a call to the called party. When the called terminal is idle, the callback platform 13 first calls the called terminal B 11, and after the called terminal B 11 is connected, the callback platform 13 calls the calling terminal A 10 again. Callback platform 13

It can be set independently or combined with existing network telecommunications equipment, such as SSP (Service Switching Point) that can be used with existing networks.

, business exchange point), can also be combined with the existing network's gateway. The callback platform 13 can be connected to the switching network 12 through the interoffice relay, the called terminal B 11

Before the busy callback service in the embodiment of the present invention is used to promptly remind the service, it is necessary to register the busy reminder service, for example, if the busy forwarding is registered, the forwarding number is the number of the callback platform.

[41] Among them, a device callback platform 13 is shown in Figure 3, Figure 3

The callback platform further includes: a receiving unit 131, an information identifying unit 132, a state detecting unit 133, and a call control unit 134; and a receiving unit 131 for receiving the called terminal B 11

The sent call message is a forward call message; the information identifying unit 132 is configured to separate the main called terminal information from the call message received from the receiving unit 131, such as a forward call message, and record, and then according to the called terminal information and the callback platform. The database information in the determination determines whether the called terminal has the busy reminding service authority; the state detecting unit 133 is configured in the information identifying unit 132.

After determining that the called terminal has the busy reminding service right, it detects whether the working state of the called terminal is idle by initiating a call to the called terminal; the call control unit 134

It is used to pre-complete the busy call registration, and when the called terminal has the busy callback service right, and the working state is idle, the calling and called terminals are connected.

[42] In the use of the existing busy forwarding service to implement the busy reminder of the embodiment of the present invention, the implementation process is as shown in FIG. 4, and includes the following steps:

[43] Step s401, when the called terminal that registers the busy forwarding service is busy, forwards the call to the callback platform; [44] Step s402, the callback platform identifies the calling and called terminal information of the call from the forward call;

[45] Step s403

The callback platform initiates a call to the called terminal, and after the called terminal is connected, the callback platform initiates a call to the calling terminal.

[46] Step s401

There are various ways to implement the call forwarding of the busy reminder service. One is to re-route the route after the failure processing: The call failure processing is set on the end office, and the reason for the failure of the call is that the called terminal is busy, the end office Rerouting the call to the callback platform; one is to set up the busy call forwarding by setting up a gateway in the middle: setting the busy forwarding data of the called terminal on the gateway, when the called terminal is busy吋, the tandem office routes the call to the callback platform; another way is to configure the smart service triggered detection point at a certain office in the middle: Add DP5 to the gateway (Detect Point

, the service trigger detection point in the intelligent network call model) triggered configuration, in INAP (Intelligent

Network Application Protocol, Protocol, DP5

Indicates the intelligent call checkout point of the called party. After the call is busy, the gateway will report a DP trigger message to the SCP (Service Control Point), SCP.

You can record the information that the call is busy.

[47] After the called terminal registers the call and waits for the call, if there is an incoming call, the connection process is shown in Figure 5.

As shown, the following steps are included:

[48] Step s501, the calling terminal Α calls the called terminal B;

[49] Step s502, determine whether the called terminal B is busy, if it is not busy, then connect normally, otherwise go to step s503

[50] Step s503, determining whether the called terminal B registers for a busy forward, if the registration is followed, the step s504

, otherwise play a busy tone;

[51] Step s504, forward the call to the callback platform.

[52] The process of busy call in the callback platform is shown in Figure 6, where steps s601-s604

Complete the registration of the busy call in the callback platform. The callback platform records the calling terminal information and the called terminal information identified from the call, and then queries the database in the callback platform to verify that the called terminal B has the right to call back the service; and then, the callback platform processes Step s605 The callback platform performs step s606 to step s610, and the callback platform initiates a call to the called terminal B. After the called terminal B picks up the phone, the callback platform re-calls the caller terminal A.

The call is initiated; after the calling terminal A picks up the phone, the calling terminal A and the called terminal B enter a call state. In the above process, the existing busy forwarding service is used to send the busy call to the callback platform, and the processing manner does not cause conflict with the existing busy forwarding service, if the user needs to use the busy To forward the business, you only need to register the forwarding number as another phone number, and there will be no conflict between the busy reminder service and the busy forwarding service. The embodiment of the present invention avoids the transformation of the existing network in the case of realizing the busy reminder by means of the busy forwarding service.

[54] In addition, if the call is busy before going to the callback platform, if you are using ISUP ( Integrated Services)

Digital Network User Part, ISDN User Part) Signaling, then the callback platform can identify the calling terminal A number from the caller of ISUP signaling, and identify the called terminal B number from the redirected number. This forwarding number can be a simple number that points to the callback platform. If the signaling cannot pass the redirection number, the forwarding number that can be requested by the user is: Prefix + called terminal B

Number, in this case, the callback platform can resolve the number of the called terminal B from the called number in the signaling.

The above description is only a few specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be considered by those skilled in the art should fall within the protection scope of the present invention.

Claims

Claim

[1] 1. A method for implementing a busy reminder service, which is characterized in that:

The callback platform receives the call, and the call is: a call to the callback platform when the called terminal that registers the busy reminder is busy;

The callback platform identifies the calling and called terminal information of the call from the transferred call; the callback platform initiates a call to the called terminal, after the called terminal is connected, the The callback platform initiates a call to the calling terminal.

[2] 2. The method according to claim 1, wherein the method further comprises:

The callback platform obtains the information of the called and called terminal according to the received call message, and verifies whether the called terminal has the busy reminding service right, and after verifying that the called terminal has the busy reminding service right, The called terminal initiates a call.

[3] 3. The method of claim 1, wherein the call uses ISUP signaling.

[4] 4. The method of claim 3, wherein the callback platform is from ISUP

Calling the caller in the caller ID of the signaling

The terminal number, the called terminal number is identified from the redirected number; or the callback platform obtains the calling terminal number from the calling identifier of the ISUP signaling, from the ISUP

The called terminal number is identified in the called number of the signaling.

[5] The method of claim 1, wherein the callback platform receiving the call comprises: the callback platform receiving the call that the end office is busy rerouting at the called terminal; or the callback platform receiving the sink Receiving a call that is busy at the called terminal; or

The callback platform receives the call from the intermediate site configured with the intelligent service trigger detection point when the called terminal is busy by triggering the smart service.

[6] 6. According to claim 5

The method is characterized in that: the intermediate site configured with the intelligent service trigger detection point is busy at the called terminal, and the step of transferring the call to the callback platform by triggering the intelligent service includes: after the call is busy, The gateway that is configured to trigger the detection point DP reports the DP.

Trigger message to the service control point SCP;

The SCP records information that the call is busy.

[7] 7. According to claims 1 to 6

The method according to any one of the preceding claims, wherein the callback platform is an intelligent network device or a switch device.

[8] 8. An implementation system for a busy reminder service, wherein the system comprises:

The switching network is provided with a module that is busy with the called busy reminder, and transfers the call to the calling back platform;

a callback platform, configured to receive a call message of the called terminal through the switching network, and identify the calling and called terminal information of the call from the message; the callback platform initiates a call to the called terminal, at the called terminal After being turned on, the callback platform initiates a call to the calling terminal.

[9] The system of claim 8, wherein the callback platform further comprises: the receiving unit, configured to receive a call message of the called terminal;

The information identifying unit is configured to separate the calling and called terminal information from the call message; the state detecting unit is configured to initiate a call to the called terminal according to the information separated by the information identifying unit, to detect the called terminal Whether the working status is idle;

The call control unit is configured to: when the working state of the called terminal is idle, connect the main called terminal according to the information separated by the information identifying unit.

[10] 10. A callback platform for busy reminding services, characterized in that it comprises:

The receiving unit is configured to receive a call message of the called terminal;