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Method, system and apparatus for providing internet protocol multimedia subsystem business

A multimedia subsystem and service technology, applied in the communication field, can solve the problems of no definition, no involvement, repeated triggering of IMS services, etc., and achieve the effect of avoiding repeated triggering

Inactive Publication Date: 2012-01-25
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The existing technology describes the basic process of call anchoring, but it does not involve how to route calls through the original tandem office when using the AS in the IMS domain to provide services for users in the CS or PSTN domain, nor does it define how to prevent Repeated triggering of IMS services on the tandem office

Method used

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  • Method, system and apparatus for providing internet protocol multimedia subsystem business
  • Method, system and apparatus for providing internet protocol multimedia subsystem business
  • Method, system and apparatus for providing internet protocol multimedia subsystem business

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0056] This embodiment describes a method for providing a calling IMS service, see figure 2 , the method of this embodiment may include the following steps:

[0057] When the call request needs to be routed after the triggering of the IMS service on the calling side is completed, step 201 is performed;

[0058] Step 201: When judging that the call is not routed in the IP Multimedia Subsystem, add a trigger prefix before the called number;

[0059] Judging that the call is not routed in the IP Multimedia Subsystem includes: inquiring that there is no SIP Uniform Resource Identifier corresponding to the called number, then judging that the call is not routed in the IP Multimedia Subsystem.

[0060] If the SIP URI corresponding to the E164 number is obtained from the E164 number mapping server, then according to the SIP URI, route the call request to the IP Multimedia Subsystem to which the called user belongs within the network.

[0061] If multiple calling IP multimedia sub...

Embodiment 2

[0065] This embodiment describes the triggering process of the calling side IMS service, see image 3 , the triggering process of the IMS service on the calling side includes the following steps:

[0066] Step 301: the softswitch platform serving the calling user inquires from the SHLR;

[0067] The softswitch platform queries the SHLR, and the SHLR finds that the calling user has subscribed to the IMS service, so it adds the IMS service trigger prefix of the calling side before the called number and returns it to the softswitch platform.

[0068] Step 302: the above-mentioned softswitch platform routes the call to the I-CSCF;

[0069] The softswitch platform triggers the IMS service on the calling side, and routes the call to the IMS service platform. Here, the call is routed to the I-CSCF.

[0070] Step 303: The I-CSCF triggers the prefix to query the HSS according to the calling IMS service to obtain the calling user's S-CSCF;

[0071] Step 304: I-CSCF routes the call to...

Embodiment 3

[0083] This embodiment describes a method for providing IMS services on the called side, see Figure 4 , the method of this embodiment may include the following steps:

[0084] After processing the IMS service on the called side, when the call request needs to be routed, step 401 is performed;

[0085] Step 401: Determine whether the called number matches the wildcard public service identity;

[0086] The public service identity is an identifier, which can be a SIP URI. Wildcard means that the public service identity can be a prefix, that is, it can correspond to a service trigger prefix. E.g:

[0087] The called number is 1234+0755123456, and 1234 is the service trigger prefix. Then 1234 can be configured as a wildcard PSI in the IMS domain. In this way, no matter what kind of called number, as long as the preceding service triggering prefix is ​​the same, the triggered IMS service is the same. For example, 1234+0755123456 and 1234+020123456 both trigger a voicemail ser...

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Abstract

The embodiment of the invention discloses a method, a system and a device for providing an internet protocol (IP) multimedia subsystem business, wherein the method for providing the IP multimedia subsystem business comprises the following steps: adding a triggering prefix in front of a called number when a call is judged not to route in the IP multimedia subsystem; and routing a calling request to a soft exchange platform, wherein the calling request comprises the called number for adding the triggering prefix. Because the business triggering prefix is added in front of the called number, theembodiment of the invention can avoid the repeated triggering of the business.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method, system and device for providing Internet protocol multimedia subsystem services. Background technique [0002] At present, the network intelligence has been realized on the side of the Public Switched Telephone Network (PSTN), and the intelligent services of end office users are triggered centrally on the tandem office. The smart services of all users are signed on the smart home location register (Smart Home Location Register, SHLR), and all user end office calls are moved up to the tandem office. The tandem office obtains the prefix corresponding to the smart service signed by the user by querying the SHLR. And insert the smart service prefix in front of the called number in sequence according to the order of the business, and trigger the corresponding smart service. After the smart service is triggered, the called party is finally connected according to the c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W80/10H04Q3/00H04L29/08H04W4/16H04L12/56
Inventor 文楷聂鑫
Owner HUAWEI TECH CO LTD