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Method and device for realizing customization of ring back tone service

A ring-back tone and service technology, applied in the field of network communication, can solve problems such as poor CAT service experience, achieve the effect of improving implementation flexibility and improving CAT service experience

Active Publication Date: 2009-09-30
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Therefore, the existing CAT service implementation process will lead to poor user experience for CAT services

Method used

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  • Method and device for realizing customization of ring back tone service
  • Method and device for realizing customization of ring back tone service
  • Method and device for realizing customization of ring back tone service

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0243] Embodiment 1. The calling CAT service function control module is located in the CAT AS serving the calling party, and the called CAT service function control module is located in the CAT AS serving the called party. The CAT AS serving the calling party selects and determines that the CAT service priority of the calling user is high according to the setting parameters of the calling user stored on the CAT AS, and adds the CAT parameter in the header field Reject-Contact of the INVITE request; The CAT AS of the party service does not apply for CAT media resources after identifying the CAT parameters. Under the above circumstances, the realization process of CAT service is as follows: Figure 8 shown.

[0244] It should be noted that the following Figure 8 Some message transmission processes are omitted in the process description, for example, the message transmission of entities such as P-CSCF, S-CSCF, I-CSCF, and MRF is omitted.

[0245] Figure 8 In step S001, UE#1...

Embodiment 2

[0253] Embodiment 2: The CAT service function control module for the calling party is located in the CAT AS serving the calling party. The CAT AS serving the calling party selects and determines that the CAT service priority of the calling user is high according to the setting parameters of the calling user stored in the CAT AS, and adds the CAT parameter in the header field Reject-Contact of the INVITE request; the MGCF recognizes the After the CAT parameter, carry the CAT parameter in the Optional Forward Call IndiCATors (optional forward call indication) field in the IAM, and send the IAM to the PSTN. Under the above circumstances, the realization process of CAT service is as follows: Figure 9 shown.

[0254] It should be noted that the following Figure 9 Some message transmission processes are omitted in the process description, for example, the message transmission of entities such as P-CSCF, S-CSCF, and BGCF is omitted.

[0255] Figure 9 , step S101, UE#1 (calling...

Embodiment 3

[0262]Embodiment 3: The called CAT service function control module is located in the CAT AS serving the called. The IAM sent from the PSTN to the MGCF carries the CAT priority indication information indicating that the CAT service priority of the calling user in the PSTN is high. The MGCF recognizes the CAT priority indication information, determines that the CAT service priority of the calling user is high, and sends the header field Reject-Contact INVITE request with CAT parameter. Under the above circumstances, the realization process of CAT service is as follows: Figure 10 shown.

[0263] It should be noted that the following Figure 10 Some message transmission processes are omitted in the process description, for example, the message transmission of entities such as P-CSCF and S-CSCF is omitted.

[0264] Figure 10 In step S201, the G bit of the Optional Forward Call Indicators (optional forward call indicator) field of the IAM is set to "1" by the PSTN to indicate ...

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Abstract

The invention discloses a method and a device for realizing customization of ring back tone service, belonging to the technical field of communication. The method comprises the steps: in the calling procedure, selecting one ring back tone customizing service in a first CAT service provided by a calling first CAT service side and a second CAT service provided by a second CAT service side by a network node having the control function of the ring back tone customizing service at the first CAT service side, offering the selected ring back tone customizing service to a call subscriber and forbidding to offer the ring back tone customizing service not selected to the call subscriber by the network node. When the call is between the call subscriber and a called subscriber, the network node can be positioned at the call side. When the call is between the called subscriber and a third party of call forwarding, the network node can be positioned at the called side. Under the condition of subscribing the ring back tone customizing service by multiparty, the technical scheme can avoid the problem that the call subscriber receives multiple mixed ring back tones, so that the flexibility of realizing the ring back tone customizing service is improved and the experience of the subscriber for the ring back tone customizing service is improved.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method for realizing a customized ring-back tone service and a device for realizing the customized ring-back tone service. Background technique [0002] Customized Alerting Tones (customized ring back tone, CAT) service is widely used in Public Switched Telephone Network (Public Switched Telephone Network, PSTN), and Global System for MobileCommuniCATions (Global System for Mobile Communications, GSM) and other systems. [0003] In the RFC3959, RFC3960 and RFC5009 standard documents formulated by the Internet Engineering Task Force (IETF), two implementation schemes are given for implementing early media services using the Session Initiation Protocol (SIP): Gateway mode and AppliCATion Server model. [0004] When the Gateway mode is adopted, the user agent server (UAS) completes early media negotiation with the user agent client (UAC) through a reliable temporary...

Claims

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Application Information

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IPC IPC(8): H04M3/42H04W4/16
CPCH04L65/1006H04L29/06197H04M3/42017H04L65/1104
Inventor 张颖徐培利王鹏杨莉莉张玉侠
Owner HUAWEI TECH CO LTD
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