Patent ID: 8543705
Filing Date: 2013-09-24
Classification: H04L

Abstract:
1. A method of providing access to multimedia services for communication devices connected to a private network, by means of a multimedia gateway in the private network, the multimedia gateway being connected to a multimedia service network and having a service identity which is valid in the multimedia service network, comprising the following steps: receiving a session request for communication between at least one device in the private network and a remote party, determining if the at least one device in the private network is a personal device, wherein the personal device is a device with an individual valid service identity, and the individual service identity is defined in the multimedia gateway, in response to determining the at least one device in the private network is a personal device, establishing, using the multimedia gateway, a session between the at least one device in the private network and the remote party using the individual valid service identity assigned to the at least one device in the private network, in response to determining the at least one device in the private network is not a personal device, establishing, using the multimedia gateway, a session between the at least one device and the remote party using a negotiation procedure on behalf of at least one device in the private network in response to said session request, using the service identity of the multimedia gateway, and using the capabilities of said at least one device in the private network in the negotiation procedure, storing session specific information in a session mapping table, which can be used for further signaling related to the session and said session specific information includes a Call ID defining the session, a local IP address and selected port of said at least one device, a reserved port of a residential gateway of the private network, and an IP address of a remote party, and wherein the service identity includes an IP Multimedia Public Identity (IMPU).