Alcatel

Alcatel N.v.

Manfred Weiss

Hartmut Weik

Wieslawa Wajda

Manfred Laube

The invention concerns a method of providing a client () transparent access to storage space administrated by a storage service, as well as a client () and a storage system for performing this method. Data are exchanged between the client () and the storage system () providing the storage service via a communication network (). A client () invokes the storage service for providing the storage space. The storage space associated with the client () is located within the storage system (). A secure connection is established between the client () and a storage device () of the storage system () dedicated to store data assigned to said storage space. Data assigned to the storage space is stored in encrypted form in said storage device ().

Storage service

The invention concerns a method of providing a Push-to-Talk (=PTT) based communication service to subscribers of the PTT service by means of a PTT server which dynamically creates a PTT group. A requesting subscriber sends a call request message to a PTT server. The call request message is analyzed by a request processing unit and the data gathered from the analysis are correlated with profiles of subscribers of the PTT service. Based on the correlation results, the PTT server dynamically creates a PTT group comprising the requesting subscriber and one or more subscribers selected from the other subscribers of the PTT service. The PTT server sends an invitation message to the selected subscribers for establishing a PTT call and establishes a PTT communication connection among the terminal of the requesting subscriber and terminals of selected subscribers an approval message was received from.

Method of performing a dynamic push-to-talk service

A broadband conference system for having a video conference between a number of subscribers (S1, . . . , S3) includes a switching unit (SU) to which those subscribers are coupled and a conference control unit (CCU) also coupled to that switching unit. To establish a conference, a subscriber first sets up a connection to the conference control unit and then transmits thereto the address of a second subscriber involved in the conference. The conference control unit then establishes a connection, over the switching unit, to the second subscriber. In a similar way other subscribers are added to the conference which is controlled and held over the thus established connections.

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Brunnenstr, Germany

Manfred Weiss