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Method, device and application server for signaling path optimization

A signaling path and signaling technology, which is applied in the core network field, can solve problems affecting user experience, achieve the effect of reducing connection delay, reducing detours, and improving experience

Active Publication Date: 2019-08-20
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the embodiments of the present invention is to provide a signaling path optimization method, device and application server to solve the problem of VPMN roaming in the prior art. Due to the detour of signaling, it will bring additional connection delay and affect user experience. The problem

Method used

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  • Method, device and application server for signaling path optimization
  • Method, device and application server for signaling path optimization
  • Method, device and application server for signaling path optimization

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0044] Such as image 3 As shown, the signaling path optimization method includes:

[0045] Step 11: Obtain a call connection request from the calling number to the called number under the same network standard, wherein the call connection request carries the transit and roaming function TRF headers of the calling number and / or the called number area;

[0046] Step 12, according to the call connection request, determine the attribution of the calling number and the attribution of the called number;

[0047] Step 13: When the attribution of the calling number and the attribution of the called number are the same attribution, delete the TRF header field, and establish the calling number is connected to the call of the called number.

[0048] In the embodiment of the present invention, by calling the TRF header field of the connection request (step 11), it is known that at least one of the calling number and the called number is in the visited place, and then by judging the owne...

no. 2 example

[0052] The signaling path optimization method, after determining the attribution of the calling number and the attribution of the called number according to the call connection request, further includes:

[0053] Step 14: When the attribution of the calling number and the attribution of the called number are not the same attribution, according to the calling and visiting device in the TRF header field in the calling number, to control the The signaling in the TRF header field is routed to the calling foreign device, and the call connection between the calling number and the called number is established by the call connection signaling of the calling calling device.

[0054] In the embodiment of the present invention, if the origin of the calling number and the called number are not the same, the device at the calling location establishes a call connection between the calling number and the called number through the call connection signaling, so that the call connection of the c...

no. 3 example

[0056] The signaling path optimization method may include:

[0057] Step 11: Obtain a call connection request for the calling number to call the called number under the same network system through transparent transmission by the IP transfer network device, wherein the call connection request carries the calling number and \ or the TRF header field of the transit and roaming function of the called number;

[0058] Step 12, according to the call connection request, determine the attribution of the calling number and the attribution of the called number;

[0059] Step 131, obtaining the calling number and the session initiation protocol-uniform resource identifier sip-uri carried by the called number itself, wherein the sip-uri includes the domain name of each number;

[0060] Step 132, when the attribution domain name in the sip-uri of the calling number is the same as the attribution domain name in the sip-uri of the called number, determine that the attribution of the calling...

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Abstract

The present invention provides a signaling path optimization method, device, and application server, which relate to the core network field, wherein the signaling path optimization method includes: obtaining a call connection request for calling a called number from a calling number under the same network standard, Wherein the call connection request carries the transit and roaming function TRF header field of the calling number and / or the called number; according to the call connection request, determine the attribution of the calling number and the The attribution of the called number; when the attribution of the calling number and the attribution of the called number are the same attribution, the TRF header field is deleted, and the call connection signaling of the calling attribution device is established The calling number is connected to the call of the called number. In this way, detours of signaling are reduced, thereby reducing additional connection delay, and also improving user experience.

Description

technical field [0001] The present invention relates to the core network field, in particular to a signaling path optimization method, device and application server. Background technique [0002] Standard international roaming plans: [0003] Currently, there are two ways of VoLTE (Voice over Long Term Evolution, long-term evolution voice) international roaming. For one of the VPMN (Virtual Private Mobile Network, Virtual Private Mobile Network) roaming, it is a roaming method based on the route of the visited location. , the feature of this roaming method is that it does not consider the forced media detour to the domain, and only meets the needs of route optimization and billing, such as figure 1 (The solid line represents the control plane and the dotted line represents the user plane) and figure 2 As shown, the network needs to support TRF (Transit and Roaming Function, transit and roaming function) and OMR (Optimal Media Routing, optimal media routing). [0004] spe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W68/02H04W72/04H04W76/10H04W4/16
CPCH04W4/16H04W68/02H04W72/20
Inventor 尚宇翔王亚晨姜怡宋月李继于青陈佳媛张剑寅
Owner CHINA MOBILE COMM GRP CO LTD
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