Systems and methods for improved audio-video conferences
US-2024087595-A1 · Mar 14, 2024 · US
De-registration method and system for IP multimedia subsystem centralized service
US9130956B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9130956-B2 |
| Application number | US-200913141087-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 24, 2009 |
| Priority date | Jan 5, 2009 |
| Publication date | Sep 8, 2015 |
| Grant date | Sep 8, 2015 |
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Abstract
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A de-registration method and system for IP Multimedia Subsystem (IMS) centralized service are provided in the present invention, wherein the method comprises: a Circuit Switched User Equipment (CS UE) moves from a source enhanced Mobile Switch Center Server (eMSC Server) into the control area of a target Mobile Switch Center Server (MSC Server); during a location cancelling process in which the CS UE changes the MSC Server to which it is attached, the source eMSC Server starts up delay timing after receiving a location cancelling request; when the delay time is reached, the source eMSC Server performs the de-registration of the IP Multimedia Subsystem (IMS) instead of the CS UE. The method and system of the present invention ensure that the de-registration request of the source eMSC Server arrives at the Serving Call Session Control Function (S-CSCF) later than the registration request of the target MSC server, so as to avoid unnecessary redundant signaling and improve the system processing efficiency.
First claim
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The invention claimed is: 1. A de-registration method for IP multimedia subsystem centralized service, comprising: a Circuit Switched User Equipment (CS UE) moving from a source enhanced Mobile Switch Centre Server (eMSC Server) into the control area of a target Mobile Switch Centre Server (MSC Server); during a location cancelling process in which the CS UE changes the MSC Server to which it is attached, starting up, by the source eMSC Server, delay timing after receiving a locat…
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Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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- What does patent US9130956B2 cover?
- A de-registration method and system for IP Multimedia Subsystem (IMS) centralized service are provided in the present invention, wherein the method comprises: a Circuit Switched User Equipment (CS UE) moves from a source enhanced Mobile Switch Center Server (eMSC Server) into the control area of a target Mobile Switch Center Server (MSC Server); during a location cancelling process in which the…
- Who is the assignee on this patent?
- Hao Zhenwu, Liu Wei, Zte Corp
- What technology area does this patent fall under?
- Primary CPC classification H04L65/1016. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Sep 08 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).