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Method and Apparatus for Enabling Discovery Within a Home Network

Inactive Publication Date: 2009-04-09
TELEFON AB LM ERICSSON (PUBL)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, a plain IP device on a home network that is not IMS enabled cannot automatically discover the IRG or the functions of the IRG.
As the IRG provides means for translating between IMS protocols and protocols used by the non-IMS enabled device, it is therefore difficult for non-IMS enabled devices to access remote networks having, for example, IMS services.
For example, it is not possible to initiate an outgoing IMS call from a non-IMS enabled IP device if the non-IMS enabled device cannot discover the IRG, as the non-IMS enabled device is not aware of the availability of the remote network.

Method used

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  • Method and Apparatus for Enabling Discovery Within a Home Network
  • Method and Apparatus for Enabling Discovery Within a Home Network

Examples

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Embodiment Construction

[0028]Referring to FIG. 1 herein, there is illustrated schematically a Home IMS Gateway (HIGA) 101 comprising an IMS Service Gateway (ISG) 102 both within a Local Area Network (LAN). The HIGA 101 functions as an IRG, in addition to providing other functions. The HIGA 101 is disposed on a control plane in the LAN. Non-IMS devices 103, 104 are also connected to the LAN. These devices are plain IP or SIP devices, such as a PC or a STB, and so cannot by themselves establish media connections with remote SIP or IMS clients. These non-IMS enabled devices are UPnP devices.

[0029]The HIGA 101 contains a range of functions to assist inter-working between IMS and non-IMS enabled devices 103, 104 on the LAN. The HIGA 101 may be implemented in a separate physical box or integrated in any other box in the home, e.g. the Residential Gateway (RGW) 105 or a STB. The ISG 102 is also part of the HIGA 101 and is preferably implemented in the same physical box as the HIGA 101. The ISG 102 uses the UPnP ...

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Abstract

A method and Home IP Multimedia Subsystem (IMS) Gateway for enabling a non-IMS enabled device within a home network to discover the availability of the Home IMS Gateway. The Home IMS Gateway is interposed at a control plane between a remote network and the non-IMS enabled device. The Home IMS Gateway sends an advertisement message to the non-IMS enabled device advertising the availability of services on the remote network via the Home IMS Gateway.

Description

FIELD OF THE INVENTION[0001]The present invention relates to a method and apparatus for enabling discovery within a home network, and in particular to enabling the discovery of a Home IP Multimedia Subsystem Gateway by a non-IP Multimedia Subsystem enabled device.BACKGROUND TO THE INVENTION[0002]IP Multimedia (IPMM) services provide a dynamic combination of voice, video, messaging, data, etc. within the same session. By growing the numbers of basic applications and the media that it is possible to combine, the number of services offered to the end users will grow, and the inter-personal communication experience will be enriched. This will lead to a new generation of personalised, rich multimedia communication services, including so-called “combinational IP Multimedia” services, which are considered in more detail below.[0003]IP Multimedia Subsystem (IMS) is the technology defined by the Third Generation Partnership Project (3GPP) to provide IP Multimedia services over 3G mobile comm...

Claims

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Application Information

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IPC IPC(8): H04W84/02H04L12/56
CPCH04L12/2803H04L29/12009H04L29/1233H04L65/1006H04L65/1016H04L65/1026H04L65/1036H04L61/25H04L65/1104H04L61/00
Inventor CAGENIUS, TORBJORNDAMOLA, AYODELE
Owner TELEFON AB LM ERICSSON (PUBL)
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