WO2012126305A1

WO2012126305A1 - Implementation method and system for preventing error playing of coloring ring back tone due to connection failure of gateway exchange

Info

Publication number: WO2012126305A1
Application number: PCT/CN2012/071405
Authority: WO
Inventors: 管勇
Original assignee: 中兴通讯股份有限公司
Priority date: 2011-03-18
Filing date: 2012-02-21
Publication date: 2012-09-27
Also published as: CN102131160A

Abstract

Disclosed is an implementation method for preventing error playing of a coloring ring back tone due to connection failure of a gateway exchange, comprising: marking in a coloring ring back tone service triggering message to indicate that a call triggered by the coloring ring back tone service triggering message is a coloring ring back tone call, and sending the coloring ring back tone service triggering message to a gateway exchange that functions to forward the coloring ring back tone call; after receiving the message, the gateway exchange recording that the current call is a coloring ring back tone call, and forwarding the coloring ring back tone service triggering message to a coloring ring back tone center; and when the gateway exchange fails to connect the coloring ring back tone, after obtaining that the current call is a coloring ring back tone call through querying the record, not playing a failure tone to a user. The method of the present invention effectively improves reliability of the coloring ring back tone service, and does not affect experience of a calling user. Accordingly, also disclosed is an implementation system for preventing error playing of a coloring ring back tone due to connection failure of a gateway exchange, comprising a coloring ring back tone service triggering device and a gateway exchange.

Description

Method and system for realizing avoiding accidental playback of color ringing by gateway station

The present invention relates to the field of mobile communication value-added services, and in particular, to a method and system for avoiding the failure of the gateway to continue the color ring failure. Background technique

The personalized ring back tone service is also called CRBT (Coloring Ring Back Tone) service. Customers can customize the ring back tone of their own phone according to their own preferences and requirements. The ringback tone can be either music, advertising, or voice recorded by the customer.

At present, the implementation of the CRBT system is roughly divided into three types: Service-node mode, Intelligent (IN) mode, and Switch mode. In terms of implementation, the three methods have their own advantages and disadvantages. In theory, the switch mode is the most reasonable CRBT implementation solution, and it requires fewer relay resources: First, the CRBT center does not need to call the called party, but the switch itself completes Second, when the called party answers to start the call, the switch to the ring back tone center circuit will be released. Moreover, from the whole call, the ring back tone center is only a pure playback device, and the security requirements are not high, and its reliability does not affect the normal call. So the switch mode is currently the most popular way.

The general process of implementing the CRBT service in the switch mode is as follows:

1. User B signs the ring back tone service, and user A calls the user B;

2. When the system pages to the called B, the called end office initiates a call to the ring back tone center, requesting to play the CRBT;

3. The calling end office picks up the call between the calling party A and the ring tone center, and the calling party A hears the ring tones;

4. The called party picks up the phone and answers the call. The calling end office calls the caller A to the called B.

5. The calling end office removes the voice channel between the center and the ring back tone center, and the ring back tone center ends playing the ring back tone. For the second step of the above process, the called end office and the ring back tone center usually pass the telephone user part. (TUP, Telephone User Part), ISDN User Part (ISUP), or Session Initiation Protocol (SIP), when the ring back tone fails for various reasons, it is handled in the following two cases. :

1. If the called end office is directly connected to the CRBT center, after the switch receives the release message from the CRBT center, the called end office actively triggers the call to the CRBT center, knowing that the release message is from the CRBT center, so the failure tone will not be played. The caller will be connected to the ringback tone.

2. If the called end office and the ring back tone center are connected through the gateway, after the gateway receives the release message from the ring back tone, the gateway receives the message from the called end office that triggered the CRBT service.

(The TUP signaling corresponds to the IAI or IAM message, the ISUP signaling corresponds to the IAM message, and the SIP signaling corresponds to the INVITE message.) There is no field indicating that the call will be forwarded to the CRBT center, so receiving the release message will cause the normal call to fail, resulting in The caller plays a failure tone, misleading the user to think that the connection fails. The detailed process is shown in Figure 1. To this end, there is a need for a technical solution to avoid the failure of the gateway to continue to ring the ring tones, to make up for the shortcomings of the prior art. Summary of the invention

The technical problem to be solved by the present invention is to solve the deficiencies in the prior art, and to provide an implementation method and system for avoiding the failure of the gateway to resume the ring tones of the color ring to effectively prevent the user from misplaced when the gateway fails to connect the ring tones. The situation of the sound appears.

The technical solutions adopted by the present invention include:

An implementation method for avoiding the failure of the gateway to resume the ring tones of the ring tones, including:

And marking the CRBT service triggering message, indicating that the call triggered by the CRBT service trigger message is a CRBT call, and sending the CRBT service trigger message to a gateway for transferring the CRBT call;

After receiving the CRBT service triggering message, the gateway office records that the current call is a CRBT call, and forwards the CRBT service trigger message to the CRBT center.

When the gateway fails to connect the CRBT, the current call is known as the ringback call by querying the record. After the call, no crash tone is played to the user.

Further, the CRBT service trigger message is constructed by a call end office or other gateways other than the gateway for transferring the CRBT call.

Further, the marking in the message is:

Use the reserved field, or the newly added field, to mark in the CRBT service trigger message. An implementation system for avoiding the failure of the gateway to resume the ring tones of the ring tones, including: a CRBT service triggering device and a gateway;

The CRBT service triggering device is configured to trigger a labeling in the message, and the call triggered by the CRBT service trigger message is a CRBT call, and the CRBT service trigger message is sent to the gateway for transferring the CRBT call. Bureau

The gateway office is configured to: after receiving the CRBT service trigger message, record that the current call is a CRBT call, and forward the CRBT service trigger message to the CRBT center; After learning that the current call is a CRBT call, the user does not play a failure tone.

Further, the CRBT service triggering device is a call end office, or other gateway office other than the gateway office for transferring the CRBT call.

The beneficial effects of the invention are:

The invention uses the reserved field or the newly added field in the CRBT trigger message to indicate that the call triggered by the message is a CRBT call, that is, the trigger message will be connected to the CRBT center, and the gateway that transfers the CRBT call will not give the user when the connection fails. The failure sound is played, which effectively improves the reliability of the CRBT service and does not affect the experience of the calling user, which is also conducive to the promotion of the CRBT service. DRAWINGS

1 is a schematic diagram of a process for processing a color ring tone of a gateway in the prior art;

2 is a schematic flowchart of a method for implementing a method for preventing a failed ringing of a color ring by a gateway in accordance with the present invention; FIG. 3 is a schematic diagram of processing of a color ring tone call by an end office that triggers a color ring tone according to the method of the present invention; FIG. 4 is a schematic diagram of a process of failing to connect a CRBT to a gateway of a CRBT call in the method of the present invention;

FIG. 5 is a schematic structural diagram of an implementation system for avoiding the failure of the gateway to resume ring tones by the gateway. DETAILED DESCRIPTION OF THE INVENTION The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.

FIG. 2 is a schematic flowchart of a method for implementing a method for preventing a failure of a color ringing to be resumed by a gateway in accordance with the present invention. As shown in FIG. 2, the method for implementing the method for preventing a failed ringing of a ring tones in a gateway is specifically as follows:

1. When a device such as a call end office or a gateway office needs to trigger a CRBT service, the device initiates a CRBT call, and the CRBT call is transferred to the CRBT center through the gateway. The specific method for the device to initiate a CRBT call is as follows: Use the reserved field in the CRBT service trigger message, or add a new field to indicate that the call triggered by the message is a CRBT call, and send the message to the gateway that acts as the transfer CRBT call.

2. After receiving the message from the device, the gateway records that the call triggered by the message is a CRBT call, that is, records the current call as a CRBT call, and then forwards the message to the CRBT center.

3. When the gateway receives the release message from the CRBT center, or if the ringback fails due to its own reasons, the gateway will know that the current call is a CRBT call after the gateway records the inquiry, and the gateway does not play the failure tone to the user.

The method of the present invention mainly comprises two parts: processing of a CRBT call by a device that triggers a CRBT, and processing of a call failure by a gateway that transfers a CRBT call. The following is an example of triggering a color ring call by the calling end office, and further details the two parts of the solution:

I. Handling the CRBT call by the end office that triggers the CRBT

When the end office that triggers the CRBT needs to trigger the CRBT service, it sends a trigger message to the gateway. Fill in the reserved field or add a new field to indicate the CRBT call. For details, see Figure 3.

For example, if the end office that triggers the CRBT and the gateway office and the CRBT center are connected by ISUP signaling, the corresponding connection message is an IAM message, because the call parameter Forward call in the message. The reserved fields of the indicators are bitM, bitN, bitO, and bitP. Here, you can fill in the bitP of 1 to indicate the CRBT call. If you do not want to use the reserved field, you can add a field to the IAM message to indicate the CRBT call.

2. Handling of call failures by the gateway that forwards the CRBT call

After receiving the trigger message forwarded to the CRBT center, the gateway indicates that the trigger message carries a reserved field or a new field indicating the connection to the CRBT center. The call triggered by the message recorded in the data area will be transferred to the CRBT center, that is, the record is recorded. The message triggered by the message is a CRBT call.

When the gateway receives the release message sent by the CRBT center, or if the ringback fails due to its own reasons, the gateway determines whether the recorded call in the data area is transferred to the CRBT center. If yes, it does not place the call to the call center. Sound, that is, the call failure tone will not be misplaced to the user; if not, it will be processed according to the normal call flow, and the detailed flow is shown in FIG. 4.

FIG. 5 is a schematic structural diagram of an implementation system for avoiding the failure of the gateway to resume the ring tones of the color ringing according to the present invention. As shown in the figure, the system for implementing the method for avoiding the failure of the color ringing of the color ringing of the gateway is as follows: the CRBT service triggering device and the gateway; ,

The CRBT service triggering device is configured to construct a CRBT service trigger message, and use the reserved field or the newly added field in the message to indicate that the call triggered by the message is a CRBT call, and send the message to the gateway of the start and end of the CRBT call. ;

Here, the CRBT service triggering device may be a call end office or a gateway office. The gateway is configured to receive the message sent by the CRBT service triggering device, and record the call triggered by the message as a CRBT call, that is, record the current call as a CRBT call, and forward the message to the CRBT center; When the release message sent to the CRBT center or the failure to connect the CRBT due to its own cause, the inquiry call is made to know that the current call is a CRBT call, and no failure tone is played to the user.

For the detailed processing procedure of the CRBT service triggering device and the gateway office functioning as the switching CRBT call, refer to the above description of the method of the present invention, and details are not described herein again. In summary, the present invention identifies a CRBT call by using a reserved field of a trigger message sent to the CRBT center, or a newly added field, thereby ensuring that when the gateway fails to ring the ring tones, the user is not mistakenly played, effectively improving The reliability of the CRBT service is beneficial to the promotion of the CRBT service.

The specific embodiments of the present invention have been described in detail with reference to the embodiments of the present invention. It should be noted that the foregoing description is only specific embodiments of the present invention, and those skilled in the art may Various changes and modifications of the invention are possible without departing from the spirit and scope of the invention. Therefore, it is intended that the present invention cover the modifications and variations of the invention, and the modifications and variations of the invention are intended to be included within the scope of the invention.

Claims

Claim

1. An implementation method for avoiding failure of a color ringing failure of a gateway, wherein the method comprises:

When the gateway fails to connect the CRBT, after the call record is learned that the current call is a CRBT call, the user does not play a failure tone.

The method for implementing the failure of the gateway to avoid the ring tones of the CRBT according to claim 1, wherein the CRBT service trigger message is sent by the calling end office or other than the gateway for transferring the CRBT call. Gateway construction.

The method for implementing the failure to play the CRBT failure in the CRBT service according to claim 1 or 2, wherein the marking in the CRBT service trigger message is:

Use the reserved field, or the newly added field, to mark in the CRBT service trigger message.

An implementation system for avoiding the failure of the gateway to resume the ring tones of the ring tones, wherein the system comprises: a CRBT service triggering device and a gateway;

The CRBT service triggering device is configured to mark, in the CRBT service trigger message, that the call triggered by the CRBT service trigger message is a CRBT call, and send the CRBT service trigger message to a gateway for transferring a CRBT call. Bureau

The gateway office is configured to: after receiving the CRBT service trigger message, record that the current call is a CRBT call, and forward the CRBT service trigger message to the CRBT center; when the connection to the CRBT fails, the current record is obtained by querying the record. After the call is a CRBT call, no crash tone is played to the user.

5 . The implementation system for avoiding the failure of the gateway to succeed in ring tones of the gateway according to claim 4 , The color ring service triggering device is a call end office, or another gateway office other than the gateway office for transferring the color ring tone call.

The system for implementing the failure of the gateway to prevent the ring tones from failing to play the ring tones according to claim 4 or 5, wherein the marking in the message is: