CN104010283B - A kind of method for realizing short-message foreward turning, device and attaching position register - Google Patents

Abstract

Embodiments of the present invention provide a method, device, and home location register for realizing SMS forwarding. The HLR corresponding to the called terminal can query the HLR corresponding to the forwarding terminal when the called terminal signs up for the SMS forwarding service. routing information of the forwarding terminal, and send the queried routing information of the forwarding terminal to the SMS center, so that the SMS center can directly send the short message sent to the called terminal according to the received routing information of the forwarding terminal to the forwarding terminal. Therefore, there is no need to modify the SMS center, nor does it need to introduce new equipment. It only needs to simply modify the HLR corresponding to the called terminal, that is, SMS forwarding can be realized, and the complexity of implementing SMS forwarding can be reduced.

Description

A method, device and home location register for realizing short message forwarding

technical field

The invention relates to the communication field, in particular to a method, a device and a home location register for realizing short message forwarding.

Background technique

In mobile networks, the unconditional call forwarding service is widely used. The unconditional call forwarding service requires pre-setting the forwarding destination address. When the terminal selects this service, all incoming calls will be transferred to the pre-set destination address, and the terminal will no longer have ringing and other prompts. For example, terminal A is the calling terminal, terminal B is the called terminal, and terminal B subscribes to the unconditional call forwarding service, and the forwarding number is set to the number of terminal C, then when terminal A calls terminal B, the call will be forwarded to Terminal C.

However, when terminal A needs to perform short message service to terminal B, the short message is still sent to terminal B. That is, in the existing short message sending technology, the short message cannot be forwarded, so that the terminal C cannot receive the short message, which brings inconvenience to the user.

To sum up, the existing unconditional call forwarding service can only forward the voice call of the calling terminal. However, when the calling terminal initiates the short message service, it cannot forward the short message Transfer to the terminal, so that the opposite end user cannot receive the short message in time.

In order to solve the problem that SMS forwarding cannot be realized, there are mainly the following two solutions:

Option 1: Create a virtual mobile switching center (Mobile Switching Center, MSC). The virtual MSC simulates a called terminal that needs to forward short messages, and registers with a Home Location Register (HLR) corresponding to the called terminal. When the short message sent to the called terminal is received, it is forwarded to the forwarding terminal corresponding to the called terminal. This kind of scheme needs to introduce new equipment, and the implementation is relatively complicated.

Solution 2: Modify the SMS forwarding method. As shown in Figure 1, in this way, when the HLR (first HLR) corresponding to the called terminal receives the request routing information sent by the Short Message Center (SMC), it judges whether the called terminal has subscribed to the SMS Forwarding service, if the SMS forwarding service is signed, the HLR will return the forwarding terminal number corresponding to the called terminal through a response message, and the SMC will query the HLR corresponding to the forwarding terminal again according to the returned forwarding terminal number (the second HLR ), send the request routing information to the second HLR, obtain the address of the MSC to which the forwarding terminal belongs from the response message returned by the second HLR, and send a short message to the MSC, thereby realizing the sending of the short message to the forwarding terminal. In this kind of solution, both the HLR and the SMC need to be transformed, and the implementation complexity is still relatively high.

Contents of the invention

Embodiments of the present invention provide a method, device and home location register for realizing short message forwarding, which are used to reduce the implementation complexity of short message forwarding.

A method for forwarding short messages, the method comprising:

When the home location register HLR receives the first request routing information sent by the short message center SMC, the number of the called terminal is carried in the first request routing information, and according to the subscription information corresponding to the number of the called terminal, determine the Whether the called terminal has subscribed to the SMS forwarding service;

When the HLR determines that the called terminal has subscribed to the SMS forwarding service, it determines the number of the forwarding terminal corresponding to the called terminal in the SMS forwarding service;

The HLR queries the HLR corresponding to the forwarding terminal according to the number of the forwarding terminal, and sends the second request routing information to the HLR corresponding to the forwarding terminal, and the second request routing information carries the preceding The number of the forwarding terminal;

When the HLR that has received the first request routing information receives the second routing information returned by the HLR corresponding to the forwarding terminal, the second routing information is the HLR corresponding to the forwarding terminal according to the If the number is determined, the second routing information is forwarded to the SMC, wherein the SMC sends the short message sent to the called terminal to the forwarding terminal according to the second routing information.

A device for realizing short message forwarding, said device comprising:

The receiving module is configured to receive the first request routing information sent by the short message center SMC, the first request routing information carries the number of the called terminal, and when receiving the second routing information returned by the HLR corresponding to the forwarding terminal, the The second routing information is determined by the HLR corresponding to the forwarding terminal according to the number of the forwarding terminal;

An analysis module, configured to determine whether the called terminal has subscribed to the SMS forwarding service according to the subscription information corresponding to the number of the called terminal; In the transfer service, the number of the forwarding terminal corresponding to the called terminal; according to the number of the forwarding terminal, query the HLR corresponding to the forwarding terminal;

A sending module, configured to send second request routing information to the HLR corresponding to the forwarding terminal queried by the analysis module, where the second request routing information carries the number of the forwarding terminal; The second routing information is forwarded to the SMC, wherein the SMC sends the short message sent to the called terminal to the forwarding terminal according to the second routing information.

A home location register, said home location register comprising the apparatus as described above.

According to the solution provided by the embodiment of the present invention, the HLR corresponding to the called terminal can query the HLR corresponding to the forwarding terminal for the routing information of the forwarding terminal when the called terminal signs up for the SMS forwarding service, and forward the queried The routing information of the terminal is sent to the short message center, so that the short message center can directly send the short message sent to the called terminal to the forwarding terminal without perception according to the received routing information of the forwarding terminal. Therefore, there is no need to modify the SMS center, nor does it need to introduce new equipment. It only needs to simply modify the HLR corresponding to the called terminal, that is, SMS forwarding can be realized, and the complexity of implementing SMS forwarding can be reduced.

Description of drawings

Fig. 1 is the schematic diagram of the process of the scheme that realizes short message forwarding provided by prior art;

FIG. 2 is a flow chart of the steps of the method for realizing SMS forwarding provided by Embodiment 1 of the present invention;

FIG. 3 is a signaling flowchart of a method for realizing short message forwarding provided by Embodiment 2 of the present invention;

FIG. 4 is a schematic structural diagram of a device for realizing short message forwarding provided by Embodiment 3 of the present invention;

FIG. 5 is a schematic structural diagram of a system for implementing short message forwarding provided by Embodiment 5 of the present invention.

detailed description

The embodiment of the present invention mainly aims at the problem of relatively high complexity of SMS forwarding at present, and proposes a method for realizing SMS forwarding, which can simply upgrade the HLR, without introducing new equipment and lowering the complexity of equipment transformation , realizing SMS forwarding, and reducing the complexity of implementing SMS forwarding.

The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention. And in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

Embodiment one,

Embodiment 1 of the present invention provides a method for realizing short message forwarding. The step flow of the method may be shown in FIG. 2 , including:

Step 101, the SMC sends the first request routing information to the first HLR.

When the calling terminal needs to send a short message to the called terminal, the SMC will send request routing information to the HLR corresponding to the called terminal.

That is, the first HLR is the HLR corresponding to the called terminal. The first request routing information is the request routing information sent by the SMC to the HLR corresponding to the called terminal, and the first request routing information carries the number of the called terminal.

Step 102, the first HLR judges whether the called terminal has subscribed to the SMS forwarding service.

In this step, the first HLR may determine whether the called terminal has subscribed to the short message forwarding service according to the subscription information corresponding to the number of the called terminal.

Specifically, in this embodiment, the subscription information may include a flag indicating whether the called terminal has subscribed to the SMS forwarding service, and then in this step, the first HLR may query all of the subscription information in the subscription information. The flag bit, when the flag bit is a designated flag, it is determined that the called terminal has subscribed to the short message forwarding service; when the flag bit is not a designated flag, it is determined that the called terminal has not subscribed to the short message forwarding service.

If it is determined that the called terminal has subscribed to the SMS forwarding service, it is determined that SMS forwarding is required, and step 103 can be continued; otherwise, if it is determined that the called terminal has not subscribed to the SMS forwarding service, then it is determined that no SMS forwarding is required. Forwarding, the first HLR can determine the first routing information according to the number of the called terminal according to the existing process, and send the first routing information to the SMC, so that the SMC can Routing information, sending the short message to the called terminal.

Step 103, the first HLR determines the number of the forwarding terminal.

When determining that the called terminal has subscribed to the SMS forwarding service, the first HLR determines the number of the forwarding terminal corresponding to the called terminal in the SMS forwarding service.

Specifically, it can be understood that the first HLR queries the subscription information corresponding to the number of the called terminal, and determines the number of the forwarding terminal corresponding to the called terminal in the short message forwarding service.

Step 104, the first HLR queries the second HLR.

Since there is a corresponding relationship between the number of the mobile terminal and the HLR, in this step, the first HLR can query the second HLR corresponding to the forwarding terminal according to the number of the forwarding terminal.

Step 105, the first HLR sends the second request routing information to the second HLR.

In this embodiment, in order to implement short message forwarding, the first HLR needs to obtain routing information of the forwarding terminal, so in this step, the first HLR sends the requested routing information to the HLR corresponding to the forwarding terminal.

That is, the second request routing information is request routing information sent by the first HLR to the HLR corresponding to the forwarding terminal, and the second request routing information carries the number of the forwarding terminal.

Step 106, the first HLR receives the second routing information.

When receiving the second request routing information sent by the first HLR, the second HLR determines the routing information of the forwarding terminal according to the number of the forwarding terminal, and returns the routing information to the first HLR. That is, the second routing information is determined by the second HLR according to the number of the forwarding terminal.

Step 107, the first HLR forwards the second routing information to the SMC.

In this step, the first HLR can directly forward the received second routing information to the SMC, so that the SMC can send the short message sent to the called terminal to the The forwarding terminal.

For the SMC, it will not perceive the difference between the second routing information and the first routing information returned by the first HLR when the called terminal does not subscribe to the SMS forwarding service, so that the SMC can unconsciously forward the terminal according to the received forwarding information. routing information, and directly send the short message sent to the called terminal to the forwarding terminal.

The following describes the signaling process in the method provided by the first embodiment of the present invention through the second embodiment.

Embodiment two,

Embodiment 2 of the present invention provides a method for realizing short message forwarding. The signaling process of the method may be shown in FIG. 3 , including:

Step 201, the SMC corresponding to the calling terminal sends an SMS_DELIVER signaling to the SMC corresponding to the called terminal.

In this step, the SMC corresponding to the calling terminal (hereinafter referred to as the calling SMC) can send SMS_DELIVER signaling to the SMC corresponding to the called terminal (hereinafter referred to as the called SMC), informing the called SMC that it needs to send a text message to a certain number service.

This step is the same as the existing method. The SMC involved in the first embodiment can be understood as the called SMC in the second embodiment.

Step 202, the called SMC sends the first request routing information to the first HLR.

In this step, the called SMC sends the request routing information to the called terminal after receiving the SMS_DELIVER signaling. Specifically, the called SMC may deliver the MAP_SEND_ROUTING_INFO_FOR_SM signaling to the HLR to which the called terminal belongs.

At this time, the MAP_SEND_ROUTING_INFO_FOR_SM signaling carries the number of the called terminal.

Step 203, the first HLR judges whether the called terminal has subscribed to the SMS forwarding service.

In this step, the first HLR queries whether the called terminal has subscribed to the short message forwarding service according to the subscription information of the called terminal.

If the SMS forwarding service is not subscribed, step 204 is performed.

If the SMS forwarding service is subscribed, skip to step 205.

Step 204, the first HLR returns the first routing information.

When the first HLR determines that the called terminal does not subscribe to the SMS forwarding service, it directly inquires about the first routing information of the called terminal. Specifically, the first routing information can be understood as information about the MSC to which the called terminal belongs. And return the first routing information to the SMC through the MAP_SEND_ROUTING_INFO_FOR_SM_ACK signaling. The SMC sends the short message to the called terminal according to the existing short message sending process. This process ends.

Step 205, the first HLR sends the second request routing information to the second HLR.

In this step, the first HLR may determine the number of the forwarding terminal corresponding to the called terminal in the SMS forwarding service when determining that the called terminal has subscribed to the SMS forwarding service. According to the number of the forwarding terminal, query the second HLR corresponding to the forwarding terminal. And send MAP_SEND_ROUTING_INFO_FOR_SM signaling to the second HLR.

At this time, the MAP_SEND_ROUTING_INFO_FOR_SM signaling carries the number of the forwarding terminal.

Step 206, the second HLR returns the second routing information.

When the second HLR receives the routing information of the second request, it queries the routing information of the forwarding terminal, and returns the second routing information to the first HLR through the MAP_SEND_ROUTING_INFO_FOR_SM_ACK signaling. Specifically, the second routing information may be understood as information about the MSC to which the forwarding terminal belongs.

Step 207, the first HLR forwards the second routing information to the SMC.

The first HLR may directly forward the received MAP_SEND_ROUTING_INFO_FOR_SM_ACK signaling to the SMC.

Step 208, the SMC sends a short message to the MSC to which the forwarding terminal belongs.

In this embodiment, the process of the SMC sending a short message to the forwarding terminal is similar to the process of the SMC sending a short message to the called terminal. Therefore, steps 208 to 210 are the same as those in the prior art. In this step, the SMC may send a MAP_MT_FORWARD_SHORT_MESSAGE signaling to the MSC to which the forwarding terminal belongs.

Step 209, the MSC to which the forwarding terminal belongs sends a short message to the forwarding terminal.

In this step, the MSC to which the forwarded terminal belongs sends an SMS_DELIVER signaling to the forwarded terminal.

Step 210, the forwarding terminal feeds back a response message.

In this step, after receiving the short message, the forwarding terminal sends SMS_DELIVER_ACK signaling to the MSC to which the forwarding terminal belongs.

Based on the same inventive concept as Embodiments 1 and 2 of the present invention, the following devices are provided.

Embodiment three,

Embodiment 3 of the present invention provides a device for realizing short message forwarding. The structure of the device may be as shown in FIG. 4 , including:

The receiving module 11 is used to receive the first request routing information sent by the short message center SMC, the first request routing information carries the number of the called terminal, and when receiving the second routing information returned by the HLR corresponding to the forwarding terminal, the The second routing information is determined by the HLR corresponding to the forwarding terminal according to the number of the forwarding terminal;

The analysis module 12 is used for judging whether the called terminal has subscribed to the SMS forwarding service according to the subscription information corresponding to the number of the called terminal; In the transfer service, the number of the forwarding terminal corresponding to the called terminal; according to the number of the forwarding terminal, query the HLR corresponding to the forwarding terminal;

The sending module 13 is configured to send the second request routing information to the HLR corresponding to the forwarding terminal queried by the analysis module, and the second request routing information carries the number of the forwarding terminal; The second routing information is forwarded to the SMC, wherein the SMC sends the short message sent to the called terminal to the forwarding terminal according to the second routing information.

The analysis module 12 is also used to determine the first routing information according to the number of the called terminal when it is determined that the called terminal has not subscribed to the SMS forwarding service;

The sending module 13 is further configured to send the first routing information to the SMC, wherein the SMC sends a short message to the called terminal according to the first routing information.

The analysis module 12 is specifically used to inquire about the flag in the subscription information, and when the flag is a specified flag, it is determined that the called terminal has subscribed to the short message forwarding service; flag, it is determined that the called terminal has not subscribed to the SMS forwarding service.

Furthermore, Embodiment 4 of the present invention may further provide a home location register, where the HLR includes the apparatus provided in Embodiment 3 of the present invention.

Through a specific example, a system for realizing SMS forwarding is provided below.

Embodiment five,

Embodiment 5 of the present invention provides a system for realizing short message forwarding. The structural diagram of the system can be shown in FIG. 5, and the involved network entities can include:

SMC, Gateway MSC for Short Message Service (SMS GMSC), HLR (the HLR provided in Embodiment 4 of the present invention, in Figure 5, includes two HLRs, respectively HLR1 and HLR2), MSC / Visitor Location Register (Visitor Location Register, VLR) (in Figure 5, including two MSC/VLR, respectively MSC/VLR1 and MSC/VLR2), base station system (Base Station System, BSS, in Figure 5, including Two BSSs, respectively BSS1 and BSS2), mobile terminals (Mobile Subscriber, MS, in Figure 5, including two MSs, respectively MS1 and MS2), the connection relationship between each network entity can be implemented with the existing In the system for sending short messages, the connection relationship between each network entity is the same.

Each MSC/VLR and SMS GMSC can be connected through No.7 signaling network. In this system, forwarding of short messages is accomplished by upgrading the function of the HLR.

Among them, the upgraded HLR can be understood as mainly adding the following three functions:

1. Add a flag to the subscription information of the HLR to record whether the called terminal has subscribed to the SMS forwarding service.

2. Inquiry function, such as inquiring whether the called terminal has subscribed to the SMS forwarding function.

3. Added the function of sending MAP_SEND_ROUTING_INFO_FOR_SM signaling.

Of course, if necessary, the HLR can simulate the subsystem number of the intelligent network service platform (Service Control Platform, SCP), and send MAP_SEND_ROUTING_INFO_FOR_SM signaling to other HLRs.

Through the above functions, the upgraded HLR can realize SMS forwarding.

Those skilled in the art should understand that the embodiments of the present application may be provided as methods, systems, or computer program products. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.

The present application is described with reference to flowcharts and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the present application. It should be understood that each procedure and/or block in the flowchart and/or block diagram, and combinations of procedures and/or blocks in the flowchart and/or block diagram can be realized by computer program instructions. These computer program instructions may be provided to a general purpose computer, special purpose computer, embedded processor, or processor of other programmable data processing equipment to produce a machine such that the instructions executed by the processor of the computer or other programmable data processing equipment produce a Means for realizing the functions specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing apparatus to operate in a specific manner, such that the instructions stored in the computer-readable memory produce an article of manufacture comprising instruction means, the instructions The device realizes the function specified in one or more procedures of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions can also be loaded onto a computer or other programmable data processing device, causing a series of operational steps to be performed on the computer or other programmable device to produce a computer-implemented process, thereby The instructions provide steps for implementing the functions specified in the flow chart flow or flows and/or block diagram block or blocks.

While preferred embodiments of the present application have been described, additional changes and modifications to these embodiments can be made by those skilled in the art once the basic inventive concept is appreciated. Therefore, the appended claims are intended to be construed to cover the preferred embodiment and all changes and modifications which fall within the scope of the application.

Obviously, those skilled in the art can make various changes and modifications to the application without departing from the spirit and scope of the application. In this way, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application is also intended to include these modifications and variations.

Claims (7)

1. a kind of method for realizing short-message foreward turning, it is characterised in that methods described includes：

When the first request route information of sms center SMC transmissions is received, described first asks attaching position register HLR The number of terminal called is carried in routing iinformation, the corresponding CAMEL-Subscription-Information of number according to the terminal called judges the quilt Whether terminal is made to have contracted short-message foreward turning business；

The HLR is described called in determining short-message foreward turning business in the short-message foreward turning business it is determined that the terminal called has been contracted The number of the corresponding forward terminal of terminal；

The HLR inquires about the corresponding HLR of the forward terminal, to the forward terminal-pair according to the number of the forward terminal The HLR for answering sends the second request route information, and the number of the forward terminal is carried in second request route information；

The HLR for receiving the first request route information is receiving the secondary route letter that the corresponding HLR of the forward terminal is returned During breath, the secondary route information is that the corresponding HLR of the forward terminal determines according to the number of the forward terminal, by institute State secondary route information and be transmitted to the SMC, wherein, the SMC will be sent to described called according to the secondary route information The short message sending of terminal is to the forward terminal.

2. the method for claim 1, it is characterised in that methods described also includes：

The HLR for receiving the first request route information in the short-message foreward turning business it is determined that the terminal called is not contracted, Number according to the terminal called determines the first routing iinformation, and first routing iinformation is sent into the SMC, its In, short message sending is given the terminal called by the SMC according to first routing iinformation.

3. method as claimed in claim 1 or 2, it is characterised in that whether the CAMEL-Subscription-Information includes the terminal called The flag bit of short-message foreward turning business of contracting, then：

The corresponding CAMEL-Subscription-Information of number according to the terminal called, judges whether the terminal called has contracted short-message foreward turning industry Business, specifically includes：

The flag bit inquired about in the CAMEL-Subscription-Information, when the flag bit is specified sign, determines the terminal called Contract short-message foreward turning business；In the non-designated mark of the flag bit, determine that the terminal called is not contracted short-message foreward turning Business.

4. a kind of device for realizing short-message foreward turning, it is characterised in that described device includes：

Receiver module, the first request route information for receiving sms center SMC transmissions, in first request route information The number of terminal called is carried, and, when receiving the secondary route information that the corresponding HLR of forward terminal is returned, second tunnel It is that the corresponding HLR of the forward terminal determines according to the number of forward terminal by information；

Analysis module, for the corresponding CAMEL-Subscription-Information of number according to the terminal called, judges whether the terminal called is signed About short-message foreward turning business；In the short-message foreward turning business it is determined that the terminal called has been contracted, in determining short-message foreward turning business, institute State the number of the corresponding forward terminal of terminal called；According to the number of the forward terminal, the forward terminal is inquired about corresponding HLR；

Sending module, the corresponding HLR of the forward terminal for being inquired to the analysis module sends the second request route Information, carries the number of the forward terminal in second request route information；And be transmitted to the secondary route information The SMC, wherein, the SMC will be sent to the short message sending of the terminal called to described according to the secondary route information Forward terminal.

5. device as claimed in claim 4, it is characterised in that the analysis module, is additionally operable to it is determined that the terminal called During without signing short-message foreward turning business, the number according to the terminal called determines the first routing iinformation；

The sending module, is additionally operable to for first routing iinformation to be sent to the SMC, wherein, the SMC is according to described One routing iinformation, the terminal called is given by short message sending.

6. the device as described in claim 4 or 5, it is characterised in that whether the CAMEL-Subscription-Information includes the terminal called The flag bit of short-message foreward turning business of contracting, and

The analysis module, specifically for inquiring about the flag bit in the CAMEL-Subscription-Information, marks in the flag bit to specify During will, determine that the terminal called has been contracted short-message foreward turning business；In the non-designated mark of the flag bit, determine described called Terminal is not contracted short-message foreward turning business.

7. a kind of attaching position register, it is characterised in that the attaching position register is included as claim 4~6 is any Described device.