Communication terminal, method for controlling communication terminal

• US 8,804,659 B2
• Filed: 04/05/2007
• Issued: 08/12/2014
• Est. Priority Date: 04/05/2007
• Status: Active Grant

• Current Assignee: Telefonaktiebolaget LM Ericsson
• Original Assignee: Telefonaktiebolaget LM Ericsson
• Inventors: Murakami, Shingo, Skog, Robert, Oda, Toshikane
• Primary Examiner(s): Rinehart, Mark
• Assistant Examiner(s): Crompton, Christopher R
• Application Number:
  US12/594,682
• Publication Number:
  US 20100181373A1
• Time in Patent Office: 2,686 Days
• Field of Search: 370/331
• US Class Current: 370/331
• CPC Class Codes: H04N 21/25833 involving client hardware characteristics, e.g. manufacturer, processing or storage capabilities allocation of resources considering hardware capabilities in multiprogramming arrangements G06F9/5044; allocation of resources considering software capabilities in multiprogramming arrangements G06F9/5055
• CPC Class Codes: H04N 21/41407 embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop constructional details of equipment or arrangements specially adapted for portable computer application G06F1/1626; arrangements specially adapted for mobile receivers in broadcast systems H04H20/57
• CPC Class Codes: H04N 21/4143 embedded in a Personal Computer [PC]
• CPC Class Codes: H04N 21/43615 Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals home Audio Video Interoperability [HAVI] data switching networks H04L12/2805
• CPC Class Codes: H04N 21/43637 involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11] arrangements for wireless networking or broadcasting of information in indoor or near-field type systems H04B10/114
• CPC Class Codes: H04N 21/4788 communicating with other users, e.g. chatting arrangements for providing for computer conferences, e.g. chat rooms, to substation in data switching networks H04L12/1813; distributed application using peer-to-peer [P2P] networks H04L67/104
• CPC Class Codes: H04N 21/6377 directed to server one-way streaming services wherein the source is controlled by the destination H04L65/613
• CPC Class Codes: H04N 21/8586 by using a URL processing chained hypermedia data for information retrieval G06F16/94; information retrieval from the Internet by using URLs G06F16/955; URL in broadcast information H04H20/93; Web-based protocols H04L67/02
• CPC Class Codes: H04N 7/17318 Direct or substantially direct transmission and handling of requests
• CPC Class Codes: H04W 36/365 by manual user interaction

Abstract

A communication terminal comprising an establishing means for establishing a communication session with a communication node by sending a request for establishment to the communication node is provided. The communication terminal further comprises an obtaining means for obtaining a first identifier from an object that is associated with an alternative communication terminal. The first identifier identifies the alternative communication terminal. The communication terminal further comprises a redirecting means for redirecting the communication session to the alternative communication terminal by sending a request for redirection to the communication node. The request for redirection includes the first identifier.

Claims

1. A communication terminal, comprising:

establishing means for establishing a communication session with a communication node by sending a request for establishment to the communication node;

obtaining means for obtaining a first identifier from an object that is associated with an alternative communication terminal, said first identifier identifying the alternative communication terminal and said object comprising an image which represents the first identifier, wherein the obtaining means comprises;

capturing means for capturing the image as image data; and

converting means for converting the image data into the first identifier;

redirecting means for redirecting the communication session to the alternative communication terminal by;

obtaining, from the alternative communication terminal identified based on the first identifier, a first message that describes the alternative communication terminal,

sending a request for redirection to the communication node, said request for redirection including the first message,

receiving, from the communication node, a second message that describes capabilities and session initialization of the communication node, and sending the second message to the alternative communication terminal; and

regaining means for regaining the communication session from the alternative communication terminal by sending a regaining request to the communication node.

2. The communication terminal according to claim 1, wherein,

the object comprises a memory in which the first identifier is stored, and

the obtaining means comprises a memory reader which retrieves the first identifier from the memory.

3. The communication terminal according to claim 1, wherein the obtaining means comprises a memory, and the object comprises a memory writer which writes the first identifier to the memory.

4. The communication terminal according to claim 1, wherein the obtaining means further obtains status information from the object, the status information indicating whether or not the alternative communication terminal accepts session redirection by the redirecting means, and the redirecting means redirects the communication session to the alternative communication terminal if the status information indicates that the alternative communication terminal accepts the session redirection.

5. The communication terminal according to claim 1, further comprising notifying means for notifying the object of a second identifier which identifies the communication terminal, wherein the obtaining means obtains the first identifier from the object in conformance with Near Field Communication (NFC), the notifying means notifies the object of the second identifier in conformance with NFC, the redirecting means redirects the communication session when the obtaining means falls within NFC communication range of the object, while the communication session is ongoing, and the alternative communication terminal, when the notifying means falls within NFC communication range of the object, returns the communication session by sending a request for return to the communication node, while the redirected communication session is ongoing, the request for return includes the second identifier.

6. The communication terminal according to claim 1, wherein the image comprises at least one of a bar code and a two-dimensional bar code.

7. The communication terminal according to claim 1, wherein the first message is a Session Description Protocol (SDP) message that describes the alternative communication terminal, and the second message is a Session Description Protocol (SDP) message that describes the communication node.

8. The communication terminal according to claim 1, wherein the first identifier comprises a Uniform Resource Identifier of the alternative communication terminal.

9. The communication terminal according to claim 1, wherein the first identifier obtained by the obtaining means is associated with a Uniform Resource Identifier of the alternative communication terminal in a storage, the redirecting means obtains the first message via a mediation node by sending the first identifier to the mediation node and sends the second message via the mediation node by sending the first identifier to the mediation node, and the mediation node retrieves the Uniform Resource Identifier of the alternative communication terminal from the storage based on the first identifier received from the communication terminal and communicates with the alternative communication terminal identified by the retrieved Uniform Resource Identifier.

10. The communication terminal according to claim 1, wherein at least one of the communication terminal and the alternative communication terminal is a mobile terminal.

11. A method for controlling a communication terminal comprising the steps of:

an establishing step of establishing a communication session with a communication node by sending a request for establishment to the communication node;

an obtaining step of obtaining a first identifier from an object that is associated with an alternative communication terminal, said first identifier identifying the alternative communication terminal and said object comprising an image which represents the first identifier, wherein the obtaining step further comprises;

capturing the image as image data; and

converting the image data into the first identifier;

a redirecting step of redirecting the communication session to the alternative communication terminal by;

obtaining, from the alternative communication terminal identified based on the first identifier, a first message that describes the alternative communication terminal,

sending a request for redirection to the communication node, said request for redirection including the first message,

receiving, from the communication node, a second message that describes capabilities and session initialization of the communication node, and

sending the second message to the alternative communication terminal; and

a regaining step of regaining the communication session from the alternative communication terminal by sending a regaining request to the communication node.

12. The method according to claim 11, wherein the object comprises a memory in which the first identifier is stored,

the communication terminal comprises a memory reader which retrieves the first identifier from the memory, and

in the obtaining step the first identifier is obtained via the memory reader.

13. The method according to claim 11, wherein the communication terminal comprises a memory, the object comprises a memory writer which writes the first identifier to the memory, and in the obtaining step the first identifier is obtained via the memory.

14. The method according to claim 11, wherein in the obtaining step, status information is further obtained from the object, the status information indicating whether or not the alternative communication terminal accepts session redirection in the redirecting step, and in the redirecting step the communication session is redirected to the alternative communication terminal if the status information indicates that the alternative communication terminal accepts the session redirection.

15. The method according to claim 11, wherein the image comprises at least one of a bar code and a two-dimensional bar code.

16. The method according to claim 11, wherein the first message is a Session Description Protocol (SDP) message that describes the alternative communication terminal, and the second message is a Session Description Protocol (SDP) message that describes the communication node.

17. The method according to claim 11, wherein the first identifier comprises a Uniform Resource Identifier of the alternative communication terminal.

18. The method according to claim 11, wherein the first identifier obtained in the obtaining step is associated with a Uniform Resource Identifier of the alternative communication terminal in a storage, in the redirecting step the first message is obtained via a mediation node by sending the first identifier to the mediation node and the second message is sent via the mediation node by sending the first identifier to the mediation node, and the mediation node retrieves the Uniform Resource Identifier of the alternative communication terminal from the storage based on the first identifier received from the communication terminal and communicates with the alternative communication terminal identified by the retrieved Uniform Resource Identifier.

19. The method according to claim 11, wherein at east one of the communication terminal and the alternative communication terminal is a mobile terminal.