CN100461886C - Method and device for realizing short message sending and receiving by IP intelligent terminal in next generation network - Google Patents

Abstract

The present invention discloses a method and device for realizing sending and receiving of short messages by IP smart terminals in the next generation network. The method includes: storing relevant information of IP smart terminals by using send and receive management, so that the short message can be accurately corresponded to the corresponding IP smart terminal after being forwarded, so as to realize the mutual sending of short messages between IP smart terminals; Messages are stored to realize separate bills and billing corresponding to a single IP intelligent terminal, and realize short message intercommunication with other short message networks.

Description

Method and device for realizing short message sending and receiving by IP intelligent terminal in next generation network

technical field

The invention relates to the field of next-generation network communication, in particular to the technology for realizing short message service by an IP intelligent terminal in the next-generation network.

Background technique

The next generation network (NGN) with softswitch as the core provides a public platform for various emerging applications, and IP intelligent terminal is an important part of the next generation network. devices together to realize various services in the next generation network. At present, traditional telephone services such as voice over IP calls and call forwarding have been implemented in the next generation network, but there is no method for implementing short message services.

Short message (also known as SMS) service refers to the text information transmitted between terminals, these terminals can be IP smart terminals, PHS (Personal Hand-set System) terminals, CDMA (Code Division Multiple Access) terminals, GSM ( Global System for Mobile) terminals and PSTN (traditional switched telephone network) terminals. The short message service allows users to realize information transmission when it is inconvenient to talk. Its major feature is that when the receiver is unreachable, the short message center temporarily stores the content for a certain period of time, and resends the message when the receiver is reachable.

Under the existing networking mode, IP smart terminals in the next-generation network want to access the "fixed network/PHS/GSM/CDMA SMS network" and realize communication with "PHS/fixed network/GSM/CDMA terminals". For short message communication, a group of IP intelligent terminals can only be used as a service provider (SP) to realize access through the short message gateway, which will cause the following problems:

Since the SMS gateway or SMS center only bills the SP as a whole, it is impossible to bill separately for this group of IP smart terminals connected;

Since the SMS gateway or SMS center does not save the messages sent by the SP, the messages sent by the IP smart terminal cannot be saved;

Since the SMS center does not forward the messages within the SP, this group of IP smart terminals connected to the SMS network cannot send SMS messages to each other;

In the Chinese patent "CN1558689A" published on December 29, 2004, a system and method for short message and instant message service interworking based on a softswitch system were proposed. Single problem, also does not solve the intercommunication problem between IP smart terminal and IP smart terminal, and IP smart terminal and other network terminals (PHS terminal, CDMA terminal, GSM terminal and PSTN terminal).

Contents of the invention

The technical problem to be solved by the present invention is to provide a method and device for realizing sending and receiving of short messages by IP intelligent terminals in the next generation network, so as to solve the problem that the existing technology cannot realize the exchange of short messages between IP intelligent terminals, storage of short messages and The problem that a single bill corresponding to a single IP intelligent terminal cannot be realized.

In order to achieve the above object, the present invention provides a method for realizing the sending and receiving of short messages by an IP intelligent terminal in the next generation network, which is characterized in that the relevant information of the IP intelligent terminal is stored by using The sending and receiving of the short message of the terminal is managed, so that the short message can accurately correspond to the corresponding IP smart terminal after being forwarded, so as to realize the mutual sending of short messages between the IP smart terminals; The short message of the above-mentioned IP intelligent terminal is stored, and the single bill corresponding to a single IP intelligent terminal is realized and billed, and the short message intercommunication with other short message networks is realized.

Above-mentioned method is characterized in that, the sending of the short message of described IP intelligent terminal comprises the steps:

Step a, the IP intelligent terminal sends a short message to the softswitch, and the corresponding information of the short message is included in the message header of the short message;

Step b, after the softswitch receives the short message, check the corresponding information in the message header, and perform a configuration check according to the corresponding information;

Step c, the soft switch generates a new short message according to the short message and forwards it to the next generation network short message center;

Step d, the short message center sends a response to the softswitch after receiving the new short message;

Step e, the softswitch forwards the response to the IP smart terminal;

Step f, the IP intelligent terminal receives the response, and the short message sending process ends.

The above-mentioned method is characterized in that, in the step a, the corresponding information of the short message includes: the local number, the other party's number and the next generation network short message center information.

The above-mentioned method is characterized in that, in the step b, the configuration checking includes: checking whether the local number has opened the short message sending authority, and checking whether the next generation network short message center in the message header has been configured.

The above method is characterized in that the new short message is a short message in which the next generation network short message center information in the message header is removed.

Above-mentioned method is characterized in that, the reception of the short message of described IP intelligent terminal comprises the steps:

Step A, the next generation network short message center receives the short message, and searches for the corresponding softswitch according to the destination address in the message header of the short message;

Step B, the short message center sends the short message to the found softswitch;

Step C, the softswitch searches for the user registration information corresponding to the destination address in the message header, and obtains the destination IP intelligent terminal;

Step D, the softswitch sends a short message to the destination IP intelligent terminal;

Step E, the destination IP intelligent terminal sends a received response to the softswitch;

Step F, the softswitch forwards the received response to the SMS center;

Step G, the short message center receives the received response, and the short message receiving process ends.

The above method is characterized in that the user registration information is an IP address.

In order to better realize the purpose of the present invention, the present invention also provides a kind of device that realizes IP intelligent terminal to send and receive short messages in the next generation network, its feature is, comprise the IP intelligent terminal and softswitch that are connected to each other; Said The IP intelligent terminal is a telephone terminal based on IP, which is used to realize editing of short message content, text operation of preservation, and sending and receiving of short messages; the soft switch is responsible for the management of IP intelligent terminals and the support of short message services, and has its own database server and configuration management system; use the soft switch to manage the sending and receiving of the short message of the IP intelligent terminal, so that the short message can be accurately corresponded to the corresponding IP intelligent terminal after being forwarded, thereby realizing IP Send short messages between smart terminals.

The above-mentioned device is characterized in that it also includes a next-generation network short message center connected to the softswitch and a next-generation network short message gateway connected to the short message center; The transformed entity supports the SIP protocol and can meet the needs of IP smart terminals to send and receive short messages. It is used for storing and forwarding short messages, recording and billing individual bills of a single IP smart terminal; in addition, through the short message gateway and other The short message network communicates; the short message gateway is used to connect with other short message gateways and other service providers, so as to realize the short message intercommunication between different networks and the access of different service providers.

The above-mentioned device is characterized in that the IP intelligent terminal is a terminal software module on a personal computer or a handheld device, or is an intelligent terminal device realized by hardware.

Technical effect of the present invention is:

(1) Solve the problem that IP intelligent terminals cannot send and receive short messages in the next generation network;

(2) Solve the problem that the IP smart terminal cannot send a short message to the existing PHS, fixed network, CDMA, and GSM terminals, and cannot generate a separate bill and cannot be billed;

(3) The short message communication between the IP intelligent terminal and the existing PHS, fixed network, CDMA, and GSM terminals is realized, which enriches the services in the next generation network.

(4) Realize the separation of business and control, the soft switch is responsible for the control, and the NGN short message center is responsible for the business realization, which is conducive to future expansion.

Description of drawings

Fig. 1 is a schematic diagram of the system structure of the present invention;

Fig. 2 is the protocol message flowchart that IP intelligent terminal of the present invention sends short message to non-local network user;

Fig. 3 is a message flow chart of the protocol for receiving a short message by an IP intelligent terminal of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the implementation of technical scheme is described in further detail:

The invention provides a device and a method for realizing short message service of an IP intelligent terminal in a next-generation network.

The device that realizes IP intelligent terminal short message service in the next generation network of the present invention comprises following module:

IP intelligent terminal: An IP-based telephone terminal, which can be either terminal software on a PC or a handheld device, or an intelligent terminal device implemented by hardware. In this system, it is possible to edit and save short message content, etc. operation, and the sending and receiving of short messages;

Softswitch: Responsible for the management of IP intelligent terminals and the support of short message services, with its own database server and configuration management system;

Also includes:

NGN SMS gateway: responsible for connecting with other SMS gateways and service providers (Service Provider, SP), realizing the intercommunication of SMS between different networks (PHS/fixed network/CDMA/GSM), and the access of service providers.

NGN SMS center: On the basis of the existing SMS center standard, the expanded and transformed entity supports the SIP protocol, which can meet the needs of IP smart terminals to send and receive SMS, and is responsible for the storage, forwarding, billing, etc. of SMS, and through NGN SMS Intercommunication between the gateway and other short message networks, such as PHS, fixed network, CDMA, GSM and other short message networks;

The IP intelligent terminal accesses the IP network through multiple ways such as twisted pair and ADSL, and realizes communication with the soft switch, and the soft switch, NGN short message gateway, and NGN short message center realize communication through LAN. See Figure 1 for the connection relationship of each part.

The method for realizing the short message service of an IP intelligent terminal in the next generation network of the present invention includes two parts: sending a short message and receiving a short message, wherein,

Sending a short message includes the following steps:

In the first step, the IP smart terminal sends a short message to the softswitch, and the message header includes information such as the local number, the other party's number, and the NGN SMS center;

In the second step, after the softswitch receives the request, check whether the local number in the message header has opened the permission to send short messages, and check whether the NGN SMS center in the message header has been configured;

In the third step, the softswitch repackages the short message, removes the NGN short message center information in the original message header, and forwards it to the NGN short message center;

Step 4: After receiving the short message, the NGN short message center sends a response to the softswitch;

The fifth step, the soft switch forwards the response of the NGN SMS center to the IP intelligent terminal;

In the sixth step, the IP smart terminal receives the response, and the sending process ends.

In the system and method of the present invention, receiving the response from the NGN short message center is used as the end sign of the process of sending short messages by the IP intelligent terminal. The NGN SMS center can set different response times according to different situations. It can respond when the short message arrives at the NGN SMS center or when the short message arrives at the actual destination.

Receiving a short message includes the following steps:

In the first step, the NGN short message center receives the short message, and searches for the corresponding softswitch according to the destination address in the message header;

In the second step, the NGN short message center sends the short message to the soft switch;

In the third step, the softswitch searches for the user registration information corresponding to the destination address in the message header, for example, IP address, etc.;

In the fourth step, the softswitch sends a short message to the destination IP intelligent terminal;

In the fifth step, the IP smart terminal sends a response to the softswitch;

Step 6, the softswitch forwards the response to the NGN SMS center;

In the seventh step, the NGN short message center receives the response, and the process of receiving short messages ends.

Fig. 1 is a schematic diagram of system structure of the present invention, with reference to Fig. 1, the hardware module part of the present invention comprises:

At least one IP intelligent terminal 101, a soft switch 102, an NGN short message gateway 103, and an NGN short message center 104; the IP intelligent terminal 101 is connected with the soft switch 102 by ADSL (Asymmetric Digital Subscriber Loop) mode, and the soft switch 102, NGN The short message gateway 103 and the NGN short message center 104 are connected through a LAN (Local Area Network).

Figure 2 shows the flow chart of sending short messages from IP smart terminals to non-local network users, wherein the SIP protocol is used between the IP smart terminal and the soft switch, the SIP protocol is used between the soft switch and the NGN SMS center, and the NGN short message The SMPP protocol is used between the center and the NGN short message gateway.

The system provided by the present invention allows the use of other protocols as communication protocols between devices.

The processing steps of sending short message process are as follows:

1) The IP intelligent terminal uses the MESSAGE request to send a short message to the softswitch, and the message header includes information such as the local number, the other party's number, and the NGN SMS center;

2) The soft switch sends a MESSAGE to the NGN SMS center for information forwarding,

3) After receiving the short message, the NGN short message center sends a "202 Accepted" response to the softswitch;

4) The soft switch forwards "202 Accepted" to the IP smart terminal, and the process of sending the short message on the IP smart terminal side ends;

5) The NGN SMS center uses the DELIVER_SM command to forward the short message to the NGN SMS gateway

6) NGN SMS gateway uses DELIVER_SM_RESP to respond to SMS

7) The NGN SMS gateway uses DELIVER_SM to report the sending receipt of the short message

8) The NGN short message center sends DELIVER_SM_RESP to respond to the short message receipt, and the process of sending short messages on the network side ends.

In this process, the 202 response sent by the NGN short message center is allowed to be set. It can respond when the short message arrives at the short message center or when the short message arrives at the destination terminal.

In addition, the NGN short message center forms corresponding bills according to the actual situation of sending short messages to destination terminals.

Fig. 3 shows a flow chart of the SIP protocol for receiving a short message by an IP intelligent terminal.

This system allows the use of other protocols as communication protocols between devices.

The processing steps of receiving short message process are as follows:

1) The NGN short message center converts the received short message into a MESSAGE message in the SIP protocol, and sends it to the corresponding softswitch;

2) The soft switch forwards the MESSAGE to the IP smart terminal;

3) The IP smart terminal sends a response 202 to the softswitch;

4) The soft switch forwards the response 202 to the NGN SMS center;

After the NGN short message center receives the 202, the process of receiving short messages ends.

In this process, the NGN short message center forms a corresponding bill according to the actual situation of the short message sent to the destination terminal.

The present invention adds a new service that can be implemented on the next generation network, enhances the service provision capability of the next generation network equipment manufacturer; enriches the value-added service types of the operator, and can make the average income per user of the operator ( Average Revenue Per User (ARPU) has been significantly improved; it also provides a new way for ordinary users to communicate.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the implementation scope of the present invention; all equivalent changes and modifications made according to the present invention are covered by the patent scope of the present invention.

Claims (10)

1. A method for realizing IP smart terminal sending and receiving short messages in next-generation network, is characterized in that, utilizes softswitch to store the relevant information of IP smart terminal, and send and receive the short message of described IP smart terminal Receive and manage, so that the short message can accurately correspond to the corresponding IP smart terminal after being forwarded, so as to realize the mutual sending of short messages between the IP smart terminals; It can be stored to realize separate bill and billing corresponding to a single IP intelligent terminal, and realize short message intercommunication with other short message networks. 2. method according to claim 1, is characterized in that, the sending of the short message of described IP intelligent terminal comprises the steps: Step a, the IP intelligent terminal sends a short message to the softswitch, and the corresponding information of the short message is included in the message header of the short message; Step b, after the softswitch receives the short message, check the corresponding information in the message header, and perform a configuration check according to the corresponding information; Step c, the soft switch generates a new short message according to the short message and forwards it to the next generation network short message center; Step d, the short message center sends a response to the softswitch after receiving the new short message; Step e, the softswitch forwards the response to the IP smart terminal; Step f, the IP intelligent terminal receives the response, and the short message sending process ends. 3. The method according to claim 2, characterized in that, in the step a, the corresponding information of the short message includes: the local number, the other party's number and the next generation network short message center information. 4. The method according to claim 3, characterized in that, in the step b, the configuration inspection includes: checking whether the own party number has opened a short message sending authority, checking the next generation network short message in the message header Whether the center has been configured. 5. The method according to claim 2, characterized in that, the new short message is a short message in which the next generation network short message center information in the message header is removed. 6. method according to claim 1, is characterized in that, the reception of the short message of described IP intelligent terminal comprises the steps: Step A, the next generation network short message center receives the short message, and searches for the corresponding softswitch according to the destination address in the message header of the short message; Step B, the short message center sends the short message to the found softswitch; Step C, the softswitch searches the user registration information corresponding to the destination address in the message header, and obtains the IP address of the destination smart terminal; Step D, the softswitch sends a short message to the destination IP intelligent terminal; Step E, the destination IP intelligent terminal sends a received response to the softswitch; Step F, the softswitch forwards the received response to the SMS center; Step G, the short message center receives the received response, and the short message receiving process ends. 7. The method according to claim 6, wherein the user registration information is an IP address. 8. A device for realizing IP smart terminals to send and receive short messages in a next-generation network, characterized in that it includes interconnected IP smart terminals and softswitches; Described IP intelligent terminal is the telephone terminal based on IP, is used for realizing the editing of short message content, the literal operation of saving, and the sending and receiving of short message; The softswitch is responsible for the management of IP intelligent terminals and the support of short message services, and has its own database server and configuration management system; Utilize the soft switch to manage the sending and receiving of the short messages of the IP smart terminals, so that the short messages can be accurately corresponded to the corresponding IP smart terminals after being forwarded, thereby realizing the short message exchange between the IP smart terminals hair. 9. The device according to claim 8, further comprising a next-generation network short message center connected to the softswitch and a next-generation network short message gateway connected to the short message center; The short message center is an entity that has been expanded and transformed on the basis of existing short message center standards. It supports the SIP protocol and can meet the needs of IP smart terminals for sending and receiving short messages. It is used to store and forward short messages and record the information of a single IP smart terminal Separate bills and billing; in addition, intercommunicate with other SMS networks through the SMS gateway; The short message gateway is used for connecting with other short message gateways and other service providers, so as to realize short message intercommunication between different networks and access of different service providers. 10. The device according to claim 8, wherein the IP intelligent terminal is a terminal software module on a personal computer or a handheld device, or is an intelligent terminal device realized by hardware.

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