CN1997065A - Method and device for caller customized information transfer in VoIP network - Google Patents

Abstract

A method for transmitting caller customized information in a VoIP network, comprising the steps: the VoIP server sends a caller customized information transmission indication message containing a calling identifier and a called address to a customized information server; Find the customized information of the calling party, and send the customized information of the calling party to the called terminal through the access network according to the called party's address. Through the invention, the calling party can customize personalized content to the operator in advance. The network transmits the personalized content of the calling party to the called terminal during the call establishment process, and the called user can receive the information customized by the calling user before answering the call. A new business type has been added.

Description

Method and device for transferring caller customized information in VoIP network

technical field

The invention relates to a method and a device for the communication network to transfer the media information customized by the calling party to the called end during the call establishment process in the IP-based voice (hereinafter referred to as VoIP) network.

Background technique

VoIP technology encodes and digitizes the voice signal, compresses it into a compressed frame, and then converts it into an IP data packet for transmission on the IP network, thereby achieving the purpose of voice communication on the IP network. In the current VoIP communication system, when a calling user initiates a call, the call controller learns whether the user has the right to initiate the call and other service information related to the user by querying the user service authority storage unit. If the user has the right to initiate the call, the call controller notifies the called terminal, and the called terminal rings to the called user. After the called user answers, the called terminal sends relevant information to the call controller, and the call controller establishes the calling The connection between the caller and the called party starts a conversation.

Traditional telephones communicate through telephone lines and program-controlled switches; VoIP technology relies on data networks to complete the communication functions of traditional telephones. In a wireless VoIP network, the communication between the network and the terminal is transmitted through the air interface through wireless signals.

Currently, the main signaling protocols for implementing the VoIP technology include Session Initiation Protocol (SIP for short) and H.323. The two have their own advantages, and their technical comparison is not the focus of this patent.

Under the current technology, when a call arrives, the called user can obtain the calling number, but cannot know more information about the calling party before the conversation. The operator cannot provide a service that allows the calling user to customize personalized information in advance, and deliver the calling user customized information to the called user during the call establishment process.

Contents of the invention

In order to solve the above problems, the object of the present invention is to provide a method and a device for transmitting calling party customized information to the called end during the call establishment process.

According to an aspect of the present invention, a kind of method for transmitting the customized information of the calling party in the VoIP network, comprises the steps:

a) The VoIP server sends the caller's customized information transfer instruction message that includes the calling party's identification and the called address to the customized information server;

b) The customized information server searches for the customized information of the calling party according to the calling party ID, and sends the customized information of the calling party to the called terminal through the access network according to the called party's address.

According to another aspect of the present invention, a device for transferring caller customization information in a VoIP network includes:

Access to the network for sending and receiving signals to the calling terminal and the called terminal;

Customized information server, responsible for calling party's customized media storage and transmission control;

The VoIP server is responsible for VoIP call connection and control of the caller's customized information delivery process.

Through the invention, the calling party can customize personalized content to the operator in advance. The network transmits the personalized content of the calling party to the called terminal during the call establishment process, and the called user can receive the information customized by the calling user before answering the call. A new business type has been added.

Description of drawings

Fig. 1 is a communication network structure diagram supporting the transfer of caller customization information in a VoIP network;

Fig. 2 is the step figure of embodiment 1 of the present invention that transmits calling party customized information to the called end in the call establishment process;

Fig. 3 is the step diagram of embodiment 2 of the present invention that transmits the calling party customization information to the called end in the call establishment process;

Fig. 4 is a step diagram of Embodiment 3 of the present invention that transmits calling party customized information to the called end in the call setup process;

Fig. 5 is a step diagram of Embodiment 4 of the present invention in which calling party customized information is transmitted to the called end during the call establishment process.

Detailed ways

In order that the present invention may be fully understood, preferred embodiments of the invention will now be described with reference to the accompanying drawings.

Fig. 1 is a structural diagram of a communication network that supports delivery of caller customized information in a VoIP network.

The network shown in Figure 1 includes: an access network 11 responsible for sending and receiving signals to the terminal; a customized information server 12 responsible for calling party customized media storage and transmission control; An IP-based voice server (hereinafter referred to as VoIP server) 13 for control; a network element 14 for storing user service information responsible for storing user and operator subscription service information.

The function of the access network is to send and receive signals to the calling terminal and the called terminal. The wireless access network communicates with the terminal through the air interface and is responsible for the conversion of wireless signals and packet data. When the terminal needs to send data, the terminal converts the data to be sent into a signal suitable for air transmission, and sends the signal to the packet network, and the packet network converts the signal from the terminal into corresponding packet data, and transmits it to the designated network When there is data to be sent to a certain terminal, the packet network finds the location of the terminal according to the address carried in the data packet, and in the wireless packet network, the data packet is also converted into a wireless signal suitable for air transmission before transmission to the called terminal. In the present invention, the called address is a broad concept, and also includes the called identifier corresponding to the specific called address.

The customized information server is responsible for storing the customized media of the calling party and controlling the transmission of the customized media of the calling party to the called user. The calling customized information stored in the customized information server may be content provided by the calling user in advance. Users who have opened the calling party customized information transmission service to the operator need to provide the personalized information selected in advance to the operator and store it in the customized information server, or choose the media they need from the candidate media materials provided by the operator data as custom information. The media type can be determined according to the needs of the calling user and the transmission capacity of the network. The customized information server should be able to support users to replace customized information according to their own needs. In the customized information server, there is a certain correspondence between the calling user ID and the calling customized information, and the customized information server can query the customized information corresponding to the user according to the user ID. The customized information server can also select specific user customized information for a specific called user ID according to the calling user's pre-definition. In order to facilitate the user and enrich the content of the customized information, the calling customized information stored in the customized information server may also be the content related to the user stored in the third-party device. The customized information server obtains the content from the third-party device as all or part of the calling party's customized information through a connection with the third-party device. During the call, after receiving the instruction from the VoIP server including the calling user ID and the address of the called party, the customized information server queries the corresponding customized information according to the calling ID and sends it to the called party's address. After receiving the stop command including the calling ID from the VoIP server or the user operation command from the called terminal, the customized information server stops sending information to the called party. If the calling party has finished sending the customized information before receiving the instruction, the customized information server also stops sending information to the called party.

VoIP server, also known as Call Agent (Call Agent), also known as Media Gateway Controller (Media Gateway Controller) or Soft Switches (Soft Switches), VoIP server is the main device in the VoIP network, responsible for the establishment of logical connections and Control, and maintain the connection state of each call. The VoIP server can also support value-added services such as call display and call waiting according to the service requirements of users. In addition, since the status data of each call is stored on the VoIP server, it can also be responsible for providing raw data for the billing system. VoIP servers exchange control information about devices and connections through signaling protocols running on them, such as SIP and H.323. During the call establishment process, the VoIP server needs to query the service information available to the user from the network element storing the service information of the user according to the calling number. For the convenience of processing, user service information can be transmitted locally in advance. For example, when a user registers or registers with a VoIP server, the network element storing user service information will transmit the information that the calling user has opened the caller customized information delivery service to the The VoIP server or the local service information storage unit associated with it, the local service information storage unit and the VoIP server can be set up together; in the present invention, the function of the VoIP server also includes controlling the caller customized information delivery process. If it is inquired that the user has opened the caller customized information delivery service, the VoIP server will send an instruction to the customized information server after receiving the response from the called terminal. The server transmits the customized information of the calling party to the called user. Here, the called party's response refers to the response from the called terminal, not from the called user, for example, the called terminal sends a ringback tone message to the VoIP server. In order to speed up the processing, the VoIP server can also immediately instruct the customized information server to pass the calling customized information to the called user after receiving the call from the calling user. After the VoIP server receives the user operation information of the called terminal, the VoIP server will send an instruction to the customized information server, instructing the customized information server to stop sending the calling user customized information.

The network element storing user service information is responsible for storing the contract service information of users and operators. Only the business information agreed by the user and the operator in advance, the user has the right to use. After the user subscribes the caller customized information transfer service to the operator, the operator is responsible for adding the service to the network element storing the user's service information. For the convenience of processing, the network element storing user service information can transmit the user service information to the local network element in advance. In a communication network, the network element storing user service information is not necessary, it is set for the convenience of operation.

In addition to the communication network, the patented solution also involves a calling terminal and a called terminal. The terminal is responsible for sending and receiving calls and encoding and decoding media streams. This solution has no special requirements for the calling terminal. For the called terminal, this solution requires that the called terminal can support the interaction with the VoIP server and the customized information server and receive customized media, and can display the received media to the called user.

Below are 4 embodiments of the present invention. Each embodiment assumes that the user has subscribed to the caller customized information delivery service, the operator has input the service information into the network element storing the user service information, and the user service information has been transmitted to the local. The customized information selected by the user already exists in the customized information server. In this embodiment, the VoIP network implemented based on SIP is taken as an example, and the method of transmitting the calling party customization information to the called terminal during the call establishment process in the VoIP network based on the H.323 protocol is similar to this.

Example 1

In this embodiment, the process of transmitting the calling party's customized information to the called terminal is parallel to the conventional VoIP process, and the negotiation with the called terminal on the delivery of the calling party's customized information is in charge of the customized information server. Fig. 2 shows various steps of Embodiment 1 of the present invention. Each step is described below.

The calling terminal initiates a VoIP call to the VoIP server, and the address of the called terminal is carried in the message; 201

The VoIP server sends a VoIP voice call message to the called terminal; 202

After receiving the VoIP voice call message sent by the VoIP server, the called terminal sends a ringback tone message to the VoIP server; 203

If the calling user has opened the caller customized information delivery service, the VoIP server sends the caller customized information delivery instruction to the customized information server; 204

The customized information server sends a caller's customized information delivery request to the called terminal; 205

If the called terminal can receive the customized information of the calling party, the called terminal will send the customized information transfer response message of the calling party to the customized information server, indicating that the customized information of the calling party can be received. Otherwise, skip step 207 below. Steps 205 and 206 may also be a session negotiation process between the customized information server and the called terminal, such as media format negotiation, etc.; 206

After receiving the response message from the called terminal, the customization information server transmits the calling customization information to the called terminal; 207

The called user performs the operation of answering the call or rejecting the call; 208

The called terminal sends user operation information to the VoIP server through the access network, and the VoIP call establishment process after the VoIP server receives the message is the same as the conventional call establishment process; 209

The VoIP server sends the caller customized information transmission stop instruction to the customized information server, requesting to stop transmitting the calling party customized information to the called terminal. After receiving the calling terminal customized information transmission stop instruction, the customized information server stops transmitting the calling terminal customized information. 210

The above steps 209, 210 can also be:

The called terminal sends the user operation information to the customized information server; 209

The customized information server stops transmitting the calling customized information to the called terminal, and sends user operation information to the VoIP server, and the VoIP call setup process after the VoIP server receives the message is the same as the conventional call setup process; 210

In the above message flow, there may be no sequence relationship between step 203 and steps 204-207.

In the above message flow, steps 205 and 206 can be omitted.

Example 2

In this embodiment, the process of delivering the calling party's customized information to the called terminal is parallel to the conventional VoIP process, but the negotiation with the called terminal on the delivery of the calling party's customized information is in charge of the VoIP server, and the VoIP server replaces the customized After the information server negotiates with the called terminal, the negotiation result is delivered to the customized information server. Fig. 3 shows various steps of Embodiment 2 of the present invention. Each step is described below.

The calling terminal initiates a VoIP call to the VoIP server, and the address of the called terminal is carried in the message; 301

The VoIP server sends a VoIP voice call message to the called terminal; 302

After receiving the VoIP voice call message sent by the VoIP server, the called terminal sends a ringback tone message to the VoIP server; 303

If the calling user has opened the caller's customized information transfer service, the VoIP server sends the caller's customized information transfer request to the called terminal; 304

If the called terminal can receive the calling party customized information, the called terminal will send the calling party customized information transfer response message to the VoIP server, indicating that the calling party can receive the calling party customized information. Otherwise, skip the following steps 306 and 307. Steps 304 and 305 can also be a negotiation process between the customized information server and the called terminal, such as media format negotiation, etc.; 305

The VoIP server sends the caller's customized information delivery instruction to the customized information server, which may include the result of negotiation with the called terminal; 306

After receiving the instruction from the VoIP server, the customized information server transmits the calling customized information to the called terminal; 307

The called user answers or rejects the operation; 308

The called terminal sends user operation information to the VoIP server through the access network, and the VoIP call establishment process after the VoIP server receives the message is the same as the conventional call establishment process; 309

The VoIP server sends the caller customized information transmission stop instruction to the customized information server, requesting to stop transmitting the calling party customized information to the called terminal. After receiving the calling terminal customized information transmission stop instruction, the customized information server stops transmitting the calling terminal customized information. 310

In the above message flow, there may not be a sequence relationship between step 303 and steps 304-307.

The above steps 309 and 310 may also be:

The called terminal sends the user operation information to the customized information server; 309

The customized information server stops transmitting the calling customized information to the called terminal, and sends user operation information to the VoIP server; 310

In the above message flow, step 304 and step 305 can be omitted.

Example 3

In this embodiment, the process of transmitting the calling party's customized information to the called terminal is inserted in the middle of the conventional VoIP process, and the negotiation with the called terminal on the delivery of the calling party's customized information is in charge of the VoIP server, which replaces the customized After the information server negotiates with the called terminal, the negotiation result is delivered to the customized information server. FIG. 4 shows various steps of Embodiment 3 of the present invention. Each step is described below.

The calling terminal initiates a VoIP call to the VoIP server, and the message carries the address of the called terminal; 401

If the calling user has opened the caller customized information transfer service, the VoIP server sends the caller customized information transfer request to the called terminal; 402

If the called terminal can receive the calling party customized information, the called terminal will send the calling party customized information transfer response message to the VoIP server, indicating that the calling party can receive the calling party customized information. Otherwise, skip the following steps 404, 405. Steps 402 and 403 may also be a session negotiation process between the customized information server and the called terminal, such as media format negotiation, etc.; 403

The VoIP server sends the caller's customized information delivery instruction to the customized information server, which may include the result of negotiation with the called terminal; 404

After receiving the instruction from the VoIP server, the customization information server transmits the calling customization information to the called terminal, and the called terminal receives and plays the calling customization information; 405

The called user performs an answer or reject operation; 406

The called terminal sends the user operation information to the VoIP server; 407

The VoIP server sends the caller's customized information transmission stop message to the customized information server, and after receiving the message, the customized information server stops transmitting the calling party's customized information to the called terminal; 408

If the user's operation in step 406 is to reject the call, the VoIP server will terminate the call. Otherwise, the VoIP server sends a VoIP voice call message to the called terminal. If steps 406 and 407 do not occur within a specific time, or the VoIP server receives a notification that the customized information has been sent from the customized information server, the VoIP server will also send a VoIP voice call message to the called terminal. 409

Subsequent steps are the same as conventional voice calls. If the user performs an operation in step 406, the subsequent user answering operation can be changed to terminal automatic answering.

The above steps 407 and 408 may also be:

The called terminal sends the user operation information to the customized information server; 407

The customized information server stops transmitting the calling customized information to the called terminal, and sends user operation information to the VoIP server; 408

In the above message flow, step 402 and step 403 can be omitted.

Example 4

In this embodiment, the process of transmitting the calling party's customized information to the called terminal is inserted in the middle of the conventional VoIP process, and the negotiation with the called terminal on the delivery of the calling party's customized information is in charge of the customized information server. Fig. 5 shows various steps of Embodiment 4 of the present invention. Each step is described below.

Step 501 is the same as step 401 in Embodiment 3;

Step 502 If the calling user has opened the caller customized information delivery service, the VoIP server sends the caller customized information delivery instruction to the customized information server;

In step 503, the customized information server sends a caller customized information transmission request to the called terminal; in step 504, if the called terminal can receive the calling customized information, the called terminal will send a response message to the customized information server to indicate that it can receive the customized information. Caller customized information. Otherwise, skip the following steps 505-508. Steps 503 and 504 may also be a negotiation process between the customized information server and the called terminal, such as media format negotiation, etc.;

Steps 505-509 are the same as steps 405-409 in Embodiment 3.

Subsequent steps are the same as conventional voice calls. If the user performs an operation in step 506, the subsequent user answering operation can be changed to terminal automatic answering.

In the above message flow, step 503 and step 504 can be omitted.

In the above embodiments, the user service information has been transmitted to the local, that is, the VoIP server or its associated local service information storage unit already has the user service information for illustration. If the user service information is not transmitted locally, the VoIP server may also query the service information from the network element storing the user service information when the user initiates a call. At this point, it is necessary to increase the corresponding query process.

Operators can improve the above solution according to user wishes. For example, after the called user answers the voice call, the customized information server may continue to send the calling terminal customized information until the sending of the customized information is completed.

With regard to the called user rejection mechanism, it can be realized through the terminal mode, and the called user restricts receiving the service by setting the terminal in advance. It can also be implemented through the network. The operator stores in advance the called user's request that the called user does not want to receive the calling party's customized information in the service information storage network element corresponding to the called terminal. When the VoIP server queries the called service information, it can Knowing the called request, the subsequent call flow is the same as the conventional VoIP call flow, and the caller customization information is no longer sent to the user.

Claims (27)

1. A method for transmitting caller customization information in a VoIP network, comprising steps; a) The VoIP server sends the caller's customized information transfer instruction message that includes the calling party's identification and the called address to the customized information server; b) The customized information server searches for the customized information of the calling party according to the calling party ID, and sends the customized information of the calling party to the called terminal through the access network according to the called party's address. 2. The method according to claim 1, further comprising the network element storing user service information providing the VoIP server with information that the user has opened the caller customized information delivery service. 3. The method according to claim 1, characterized in that the customized information of the calling party is placed on the customized information server in advance. 4. The method according to claim 1, characterized in that the flow of transferring the calling party's customized information to the called end is parallel to the normal VoIP flow. 5. The method according to claim 1, characterized in that the process of transferring the calling party's customized information to the called end can be inserted in the middle of the regular VoIP process. 6. The method according to claim 1, characterized in that after the called terminal user performs the operation of answering or rejecting, the customized information server stops transmitting the calling customized information to the called terminal. 7. The method according to claim 1, characterized in that after receiving the caller customization information transmission stop instruction from the VoIP server, the customization information server stops transmitting the caller customization information to the called terminal. 8. The method according to claim 1, characterized in that before sending the calling party's customized information, the customized information server and the called terminal need to carry out negotiation on the transmission of the calling party's customized information. 9. The method according to claim 1, characterized in that there is a corresponding relationship between the caller customization information and the caller ID. 10. The method according to claim 1, characterized in that there is a corresponding relationship between the calling party customization information and the called party address. 11. The method according to claim 1, wherein when the VoIP server inquires about the service information of the called party, if it knows that the called party does not want to receive the calling party's customized information, it will no longer send the calling party's customized information to the user. 12. The method according to claim 2, characterized in that the information that the user has opened the caller customized information delivery service is saved in the network element storing the user service information in advance. 13. The method according to claim 8, characterized in that the VoIP server replaces the customization information server and conducts negotiation on delivery of the calling customization information with the called terminal, and transmits the negotiation result to the customization information server. 14. The method according to claim 1, characterized in that the calling customization information stored in the customization information server can be content provided by the calling user in advance. 15. The method according to claim 11, characterized in that the caller customization information stored in the customization information server can be the information related to the user stored in the third-party device obtained by the customization information server through the connection with the third-party device. content. 16. A device for transferring caller customization information in a VoIP network, comprising: Access to the network for sending and receiving signals to the calling terminal and the called terminal; Customized information server, responsible for calling party's customized media storage and transmission control; The VoIP server is responsible for VoIP call connection and control of the caller's customized information delivery process. 17. The apparatus of claim 16, further comprising: The network element storing user service information is responsible for storing the contract service information of users and operators. 18. The device according to claim 16, characterized in that the personalized information selected by the calling user in advance is stored in the customized information server. 19. The device according to claim 17, wherein after the calling user subscribes to the caller customized information transmission service, the operator should store the service information in the network element storing the user service information. 20. The device according to claim 17, characterized in that when the user registers, the network element storing user service information transmits the information that the calling user has opened the caller customized information delivery service to the VoIP server or the local network associated with it. Business information storage unit. 21. The device according to claim 16, wherein the VoIP server sends an instruction to the customized information server, instructing the customized information server to transmit the calling customized information to the called terminal. 22. The device according to claim 21, characterized in that the instruction includes the calling party ID and the called party address. 23. The device according to claim 21, wherein after the called user performs an operation, the customized information server stops the called terminal from sending the calling customized information. 24. The device according to claim 16, characterized in that there is a corresponding relationship between the calling user ID in the customized information server and the calling customized information. 25. The device according to claim 18, characterized in that the calling user can provide specific calling customized information for a specific called party in the customized information server. 26. The device according to claim 16, characterized in that the calling customization information stored in the customization information server can be content provided by the calling user in advance. 27. The device according to claim 16, characterized in that the caller customization information stored in the customization information server can be the information related to the user stored in the third-party equipment obtained by the customization information server through the connection with the third-party equipment. content.

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