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Method and system for improving ring back tone service to user small exchanger

A small switch and ringback tone technology, applied in the direction of subscriber special services, selection devices, electrical components, etc., can solve the problems of high cost for enterprise users and the inability to provide ringback tone services for group users, and achieve the effect of saving costs

Inactive Publication Date: 2006-08-30
UTSTARCOM TELECOM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, providing the ring-back tone service at the PABX side according to the above-mentioned technology will bring relatively large costs to enterprise users. The telecom operators of the public network have established a complete ring-back tone service platform, but the telecom network operators are still unable to provide the ring-back tone service to group users using PABX

Method used

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  • Method and system for improving ring back tone service to user small exchanger
  • Method and system for improving ring back tone service to user small exchanger
  • Method and system for improving ring back tone service to user small exchanger

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Embodiment Construction

[0015] figure 2 Shows the network structure involved in the present invention, in the figure, fixed network users and mobile users are respectively connected to the PSTN network through the fixed network switch and the mobile switch, and each extension user of the PABX is connected to the local switch through the PABX to access the PSTN network, ring back The voice service server CRBTS is connected to the PSTN network to complete the storage, management and playback of ring back tones. The service management point provides management entrances such as customization of personalized ring back tones. The service management point performs operations such as customization of its personalized ring back tone. Typically, PABX enterprise users can uniformly customize the ring-back tone of each extension in a certain way, such as customizing different extension numbers in groups, such as adopting the ring-back tone for broadcasting enterprise product information advertisements for all e...

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Abstract

This invention discloses a method and a system providing ring-back service to PABX including: a user small exchanger receives the call request from a calling user by a called party exchanger, the PABX restrains traditional ring-back sounds and sends extension ring inform information with the called number to the called exchanger, which picks up the called number and sends call successive information to the ring-back server after receiving the ring inform information, the server inquires about the ring-back sound designed by the called number and informs the called exchanger to play it to the calling user.

Description

technical field [0001] The invention relates to ring-back tone service technology, in particular to a method and system for providing ring-back tone service to PABX (Private Branch Exchange). Background technique [0002] During a telephone call, the state information of the line between the switching device and the user equipment is notified to the user through call process tones. Common call process tones include dial tone, busy tone and ringback tone, etc., which are usually fixed by the system. . In the prior art, the PCT patent "Advertising method by using ring-backtone" with the patent number WO 00 / 49793 proposes a method of replacing the ordinary ring-back tone with the ring tone set by the network, thereby allowing the network to pass the ring-back tone To play advertising information. Aiming at the problem that the user cannot independently set the ringback tone in this technology, PCT patent WO 03 / 071815 "Method and Apparatus for providing subscriber-based ringba...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M3/42H04Q3/00
Inventor 刘晟林高全
Owner UTSTARCOM TELECOM CO LTD
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