CN1300997C - A method for implementing customized ring back tone - Google Patents

Abstract

The present invention provides a ring back tone customization realizing method. In the present invention, an intelligent equipment SCP and an AIP are added to the existing GSM network, and an intelligent network mode is used for realizing the function of playing color ring back tones for calling parties. Compared with the normal mode, users can customize music which the users like so as to use the music as ring back tones, and traditional monotonic tedious ring back tones are replaced; different ring back tones can be set for different incoming calls so as to satisfy the individuation requirements from called users.

Description

A method for realizing custom ringback tone

technical field

The invention belongs to the technical field of mobile communication, and in particular relates to a method for realizing customized ring-back tone.

Background technique

In the existing Global System for Mobile Communications (GSM: Global System for Mobilecommunications) network, when a call is made between users, only the ringback tone of the called user's end office can be played to the calling user, that is, the traditional ringing tone .

At present, for the networking of the existing network, the implementation method is as follows:

As shown in Figure 1, when the calling user dials the number of the called user, the calling end office O_MSC sends an initial address message (IAM: Initial Address Message) to the called end office T_MSC, and the called end office T_MSC seeks after receiving the IAM. When calling the called user, the paging is completed and the address complete message (ACM: Address Complete Message) is sent back to the calling end office O_MSC, and the called end office T_MSC plays a traditional ringing tone to the calling user. When the called user picks up the phone, The called end office T_MSC returns an answer message (ANM: Answer Message) to the calling end office O_MSC, starts billing and ends playing the ring tone, and the two parties start talking.

It can be seen from the above that the method for realizing the ring back tone in the prior art has the following disadvantages: because the traditional ring tone is played by the end office, the ring tone is monotonous and cannot reflect the personality of the user.

Contents of the invention

The invention proposes a method for realizing customized ring-back tone to solve the problems in the prior art that the ring-back tone is monotonous and cannot play the ring-back tone customized by the called user for the calling user.

In order to solve the above problems, the present invention proposes the following solutions:

A method for realizing custom ring back tone, it comprises the following steps:

a. The calling party initiates a call to the called party, and the calling end office sends the call-related information to the called service control point SCP through signaling according to the called party's authentication information;

b. The service control point SCP judges whether the roaming area of the calling user supports the routing prefix of the called user's home area. If not, the subsequent service control point SCP proceeds in a conventional manner, otherwise the service control point SCP obtains it from the home location register HLR the called roaming number;

c. The service control point SCP sends the routing information allocated for the called user number, the called number, and the called roaming number to the calling end office through signaling;

d. The calling end office routes the call to the enhanced intelligent peripheral AIP according to the routing information, the enhanced intelligent peripheral AIP connects the call to the called end office, and the enhanced intelligent peripheral AIP plays the received call according to the signaling returned by the called end office Call the ring back tone customized by the user, and block the traditional ring back tone;

e. After the called party answers, stop playing the ringback tone and establish the call.

The called party is the subscriber who customizes the ring back tone.

Before the service control point SCP sends signaling to the calling end office in the step c, it further includes: the service control point SCP acquires the status information of the called user from the home location register HLR, if the called status information is not If it is idle, the follow-up service control point SCP proceeds in a conventional manner; otherwise, the service control point SCP obtains the called roaming number from the home location register HLR and proceeds to the following steps.

The HLR and the called end office must have the following functions: the HLR will send the user information PSI to the called end office after receiving the ATI, and the called end office will page the called user after receiving the PSI, and obtain the called end office. Call the real state of the user.

The routing information in step c is the routing prefix before the called number.

Said step d more specifically includes the following steps:

d1. The calling end office sends the initial address message IAM to the enhanced intelligent peripheral AIP according to the routing information in forwarding mode, and the enhanced intelligent peripheral AIP performs corresponding processing after receiving it, and sends the initial address message IAM to the called end office ;

d2. The called end office receives the initial address message IAM to page the called party, and sends the full address message ACM to the enhanced intelligent peripheral AIP after paging;

d3. The enhanced intelligent peripheral AIP judges whether the called end office sent by the called end office is a standard ringback tone through voice recognition. If not, the prompt tone sent by the called end office is continued to the caller, and if so, it is played to the caller. The called party customizes the ring back tone and blocks the standard ring back tone.

The initial address message IAM sent by the calling end office to the enhanced intelligent peripheral AIP in the step d1 includes calling information such as calling and called numbers and called roaming numbers.

The corresponding processing performed by the enhanced intelligent peripheral device AIP in the step d1 more specifically refers to: removing the parameters of the routing prefix and the number of forwarding times.

The conventional way of processing means that the calling end office receives the signaling without routing prefix, and the voice path does not go through the enhanced intelligent peripheral AIP, but is processed as a normal call, and the calling user can only hear the normal ringback sound.

Said step e more specifically refers to: after the called party answers, the called end office sends an answer message ANM to the enhanced intelligent peripheral AIP, and the enhanced intelligent peripheral AIP receives the signaling, stops playing the ringback tone and establishes a call.

A kind of method of realizing custom ring-back tone of the present invention, is by adding intelligent network equipment SCP and AIP in existing GSM network, adopts intelligent network mode to realize the function of the ring-back tone that mobile phone user plays user's own customization, its beneficial effect Summarized as follows:

1. Users can customize their favorite music as the ringback tone to replace the traditional tedious ringtone.

2. Users can set different ringback tones for different incoming calls.

Description of drawings

Fig. 1 is the flow chart of realizing ring back tone in the prior art;

Fig. 2 is the framework flowchart of the method embodiment of the present invention;

Fig. 3 is the specific implementation flowchart of the method embodiment of the present invention;

Fig. 4 is a flow chart of the process of acquiring whether the called user is idle by the SCP in the embodiment of the present invention.

Detailed ways

The embodiment of the present invention introduces a method for realizing customized ring back tone, which is based on the existing Global System for Mobile Communications (GSM: Global System for Mobile communications), adding intelligent network equipment SCP and enhanced intelligent peripheral AIP, The intelligent network mode is adopted to realize the function of playing the ring-back tone customized by the user to the mobile phone user. The ring back tone customized by the mobile phone user can be stored in the intelligent peripheral AIP.

As shown in Figure 2 and Figure 3, it is a specific implementation flowchart of the method described in the embodiment of the present invention, and its implementation process is specifically:

1. According to the authentication information of the called user, the calling end office sends the call-related information to the called service control point (SCP: Service Control Point) through signaling.

The calling user initiates a call to the called user. If the calling user is a fixed or other mobile network user, the subscription information (T-CSI information) of the called user will be retrieved at the gateway office; if the calling user is a mobile user of the network , the subscription information (T-CSI information) of the called user will be retrieved at the calling end office. If the information verifies that the called user is a subscribed user of the customized ring back tone, the end office or gateway office triggers the service control point SCP to which the called user belongs; otherwise, it is processed according to the conventional process.

2. The processing of the service control point SCP.

The service control point SCP judges whether the roaming area of the calling user supports the routing prefix of the home area of the called user. If it does not support the routing prefix, it directly returns a CONTINUE signaling to the calling end office without any parameters.

When the roaming area of the calling user supports the routing prefix of the called user's home area, the service control point SCP sends a routing information request (SRI: Send Routing Information) to the home location register (HLR: Home Locate Register) to obtain the called user roaming number.

In actual situations, there are many cases where the user cannot communicate with the calling user due to various reasons such as being busy, shutting down the phone, not being in the service area, and not answering. In this case, if the call is also routed to the AIP, signaling will be wasted. , the following methods can be used to reduce signaling waste, as shown in Figure 4: before obtaining the roaming number, the service control point SCP obtains the user by sending any time query (ATI: Any Time Interrogation) to the home location register HLR of the called user status information. If the user status is not idle, it will directly return the CONTINUE signaling to the calling end office without any parameters. To realize this method, the HLR and the called end office must have the following functions: After receiving the ATI, the HLR will send the user information (PSI: Provide Subscriber Info) to the called end office, and the called end office will receive the PSI To page the called user, get the real status of the called user.

The service control point SCP issues the "Request Report BCSM Event" operation (RRBE: Request Report BCSM Event) and the connection operation (CONNECT) command to the end office, where the CONNECT command includes parameters such as the called number and the original called number. The calling number is the called roaming number with routing prefix; the original called number is the called mobile station international ISDN number (MSISDN number: Mobile Station International ISDN Number).

3. The calling end office routes the call to the enhanced intelligent peripheral (AIP: Advanced Intelligent Periphera) or the called end office according to the routing information.

If the calling end office receives the CONTINUE signaling, it will be routed directly to the called end office. This is the traditional process. The call routing does not pass through the enhanced intelligent peripheral AIP, and the calling user cannot hear the customized ringback tone. , only the traditional ringback tone can be heard.

If the calling end office receives a connection operation (CONNECT) instruction, it will route the call to the enhanced intelligent peripheral AIP according to the routing prefix, and send an initial address message (IAM) in forward mode, including the number, called roaming number.

4. The enhanced intelligent peripheral AIP receives the signaling from the end office and plays the ringback tone customized by the called user.

The enhanced intelligent peripheral AIP removes the routing prefix of the roaming number, removes parameters such as the original called number and forwarding times, and connects to the called end office according to the normal IAM message. After the called end office pages the called user, it returns the address full message ACM to the enhanced intelligent peripheral device AIP. The enhanced intelligent peripheral AIP judges whether the called user sends a standard ring-back tone through the voice recognition technology. The notification that the called user has turned off the phone continues to be transmitted to the calling user; if it is a standard ringback tone, the enhanced intelligent peripheral AIP will play the called customized tone to the calling user according to the called MSISDN number, calling number and other conditions. Ringback tone, and shield the traditional ringback tone played by the called end office at the same time.

5. Enhance the intelligent peripheral AIP to stop playing the ringback tone and establish a call.

After the called user answers, the called end office sends an answer message ANM to the enhanced intelligent peripheral AIP, and the enhanced intelligent peripheral AIP stops playing the ringback tone, and simultaneously establishes the call.

A kind of method of realizing custom ring-back tone of the present invention, is by adding intelligent network equipment SCP and AIP in existing GSM network, adopts intelligent network mode to realize the function of the ring-back tone that mobile phone user plays user's own customization, its beneficial effect Summarized as follows:

1. Users can customize their favorite music as the ringback tone to replace the traditional tedious ringtone.

2. Users can customize different ringback tones for different incoming calls.

Claims (10)

1. A method for realizing custom ring-back tone, characterized in that, the method comprises the following steps: a. The calling party initiates a call to the called party, and the calling end office sends the call-related information to the called service control point SCP through signaling according to the called party's authentication information; b. The service control point SCP judges whether the roaming area of the calling user supports the routing prefix of the called user's home area. If not, the subsequent service control point SCP proceeds in a conventional manner, otherwise the service control point SCP obtains it from the home location register HLR the called roaming number; c. The service control point SCP sends the routing information allocated for the called user number, the called number, and the called roaming number to the calling end office through signaling; d. The calling end office routes the call to the enhanced intelligent peripheral AIP according to the routing information, the enhanced intelligent peripheral AIP connects the call to the called end office, and the enhanced intelligent peripheral AIP plays the received call according to the signaling returned by the called end office Call the ring back tone customized by the user, and block the traditional ring back tone; e. After the called party answers, stop playing the ringback tone and establish the call. 2. A method for realizing customized ring back tone according to claim 1, characterized in that: the called party is a subscriber of customized ring back tone. 3. A method for realizing customized ring-back tone as claimed in claim 1, characterized in that: before the service control point SCP sends signaling to the calling end office in the step c, it further includes: the service control point The SCP obtains the status information of the called user from the home location register HLR. If the called user status information is not idle, the subsequent service control point SCP proceeds in a conventional manner; otherwise, the service control point SCP obtains the called user status information from the home location register HLR. Proceed to the following steps after the roaming number. 4, a kind of method that realizes custom ring-back tone as claimed in claim 3 is characterized in that: described HLR and called end office must have following function: HLR will send and provide to called end office after receiving ATI User information PSI, and the called end office will page the called user after receiving the PSI to obtain the real status of the called user. 5. A method for realizing customized ring back tone according to claim 1, characterized in that: the routing information in the step c is the routing prefix before the called number. 6. A method for realizing custom ring-back tone as claimed in claim 1, characterized in that: said step d more specifically includes the following steps: d1. The calling end office sends the initial address message IAM to the enhanced intelligent peripheral AIP according to the routing information in forwarding mode, and the enhanced intelligent peripheral AIP performs corresponding processing after receiving it, and sends the initial address message IAM to the called end office ; d2. The called end office receives the initial address message IAM to page the called party, and sends the full address message ACM to the enhanced intelligent peripheral AIP after paging; d3. The enhanced intelligent peripheral AIP judges whether the called end office sent by the called end office is a standard ringback tone through voice recognition. If not, the prompt tone sent by the called end office is continued to the caller, and if so, it is played to the caller. The called party customizes the ring back tone and blocks the standard ring back tone. 7. A method for realizing customized ring-back tone according to claim 6, characterized in that: the initial address message IAM sent by the calling end office to the enhanced intelligent peripheral AIP in the step d1 includes the main Called number, called roaming number and other call information. 8. A method for realizing customized ringback tone as claimed in claim 6, characterized in that: the corresponding processing performed by the enhanced intelligent peripheral AIP in the step d1 refers more specifically to: removing the routing prefix and forwarding times parameter. 9. A method for realizing customized ringback tone as claimed in claim 1 or 3, characterized in that: said conventional processing means that the calling end office receives the signaling without routing prefix, and the speech path is not After enhancing the intelligent peripheral AIP, it is processed as a normal call, and the calling user can only hear the normal ring-back tone. 10. A method for realizing customized ring back tone according to claim 1, characterized in that: said step e more specifically refers to: after the called party answers, the called end office sends an answer message ANM to the enhanced intelligent peripheral AIP, the enhanced intelligent peripheral AIP receives the signaling, stops playing the ringback tone and establishes a call.

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