IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0476980
(2002-05-08)
|
등록번호 |
US-7818002
(2010-11-08)
|
우선권정보 |
GB-0111290.3(2001-05-09) |
국제출원번호 |
PCT/IB2002/002696
(2002-05-08)
|
§371/§102 date |
20031231
(20031231)
|
국제공개번호 |
WO02/091786
(2002-11-14)
|
발명자
/ 주소 |
- Bajko, Gábor
- Wolfner, György
|
출원인 / 주소 |
|
대리인 / 주소 |
Mintz, Levin, Cohn, Ferris, Glovsky and Popeo, P.C.
|
인용정보 |
피인용 횟수 :
11 인용 특허 :
30 |
초록
▼
A method in a communication system wherein a user (1) is arranged to register with a control entity (22) comprises sending a message from the communication system to the user (1) requesting that the user re-register with said communication network. The user is caused to re-register with said network
A method in a communication system wherein a user (1) is arranged to register with a control entity (22) comprises sending a message from the communication system to the user (1) requesting that the user re-register with said communication network. The user is caused to re-register with said network in response to said message.
대표청구항
▼
The invention claimed is: 1. A method, comprising: registering a user equipment with a control entity in a communication system, said control entity implemented as a serving call state control function; sending a message from the communication system to the user equipment requesting that the user e
The invention claimed is: 1. A method, comprising: registering a user equipment with a control entity in a communication system, said control entity implemented as a serving call state control function; sending a message from the communication system to the user equipment requesting that the user equipment re-register with said communication system, the sending is responsive to at least one of a plurality of specified conditions, the plurality of specified conditions comprising one or more of the following: a current registration of the user equipment is set to expire in a predetermined time; one or more error conditions in the communication system; one or more error conditions in the control entity; and the communication system mistrusts the user equipment; and causing said user equipment to re-register with said communication system in response to said message wherein said user equipment is re-authenticated when said user equipment is re-registered, wherein re-registration of said user equipment is carried out without dropping existing sessions associated with the user equipment. 2. The method of claim 1, wherein the sending the message is performed by said control entity. 3. The method of claim 1, wherein the sending said message is responsive to an occurrence of one or more specified conditions. 4. The method of claim 1, further comprising: configuring the control entity error conditions to comprise one or more of the following conditions: congestion in said system; and overloading in said system. 5. The method of claim 1, wherein the sending the user equipment said message is performed conditioned on whether the user equipment subscribes to a service providing said message. 6. The method of claim 1, wherein the sending the message comprises sending the message to the user equipment from the control entity via an intermediate control entity. 7. The method of claim 6, further comprising: configuring said intermediate control entity to be a proxy call state control function. 8. The method of claim 1, further comprising: sending, by said user equipment, a re-registration request in response to said message. 9. A method, comprising: authenticating a user equipment with a control entity in a communication system, said control entity implemented as a serving call state control function; sending a message from the communication system to the user equipment requesting that the user equipment initiate a procedure with said communication system, said procedure causing re-authentication of said user equipment, the sending is responsive to at least one of a plurality of specified conditions, the plurality of specified conditions comprising one or more of the following: a current registration of the user equipment is set to expire in a predetermined time; one or more error conditions in the communication system; one or more error conditions in the control entity; and the communication system mistrusts the user equipment; causing said user equipment to initiate said procedure in response to said message; and re-authenticating said user equipment, wherein said procedure is carried out without dropping existing sessions associated with the user equipment. 10. The method of claim 9, wherein the sending the message is performed by said control entity. 11. The method of claim 9, wherein the sending said message is responsive to an occurrence of one or more specified conditions. 12. The method of claim 9, further comprising: configuring the control entity error conditions to comprise one or more of the following conditions: congestion in said system; and overloading in said system. 13. The method of claim 9, wherein the sending the user equipment said message is conditioned on whether the user equipment subscribes to a service providing said message. 14. The method of claim 9, wherein the sending the message comprises sending the message to the user equipment from the control entity via an intermediate control entity. 15. The method of claim 14, further comprising: configuring said intermediate control entity to be a proxy call state control function. 16. The method of claim 9, further comprising: configuring said communication system to be a third generation communications network. 17. The method of claim 9, further comprising: configuring said message to be a session initiation protocol NOTIFY message. 18. A system, comprising: a user equipment; and a control entity, said control entity implemented as a serving call state control function, wherein the user equipment is configured to be registered with the control entity, wherein said communication system is configured to send a message to the user equipment requesting that the user equipment re-register with said communication system, the message is sent in response to at least one of a plurality of specified conditions, the plurality of specified conditions comprising one or more of the following: a current registration of the user equipment is set to expire in a predetermined time; one or more error conditions in the communication system; one or more error conditions in the control entity; and the communication system mistrusts the user equipment wherein said user equipment is configured to re-register with said communication system in response to said message, wherein said user equipment is re-authenticated when said user equipment is re-registered, and wherein said communication system is configured to carry out re-registration of said user equipment without dropping existing sessions associated with the user equipment. 19. The communication system of claim 18, wherein the user equipment comprises a mobile user equipment. 20. The system of claim 18, wherein said control entity is configured to send said message. 21. The system of claim 18, wherein said message is configured to be sent in response to an occurrence of one or more specified conditions. 22. The system of claim 18, wherein the control entity error conditions comprise one or more of the following conditions: congestion in said system; and overloading in said system. 23. The system of claim 18, wherein the message is configured to be sent to the user equipment conditioned upon whether the user equipment subscribes to a service providing said message. 24. The system of claim 18, wherein the control entity is configured to send the message to the user equipment via an intermediate control entity. 25. The system of claim 24, wherein said intermediate control entity is a proxy call state control function. 26. The system of claim 18, wherein said user equipment is configured to send a re-registration request in response to said message. 27. The system of claim 18, wherein said communication system is a third generation communications network. 28. The system of claim 18, wherein said message is a session initiation protocol NOTIFY message. 29. An apparatus, comprising: a processor configured to register a user equipment with a control entity in a communication system, said control entity implemented as a serving call state control function; and a transmitter configured to send a message to the user equipment requesting that the user equipment re-register with the communication system, the message is sent in response to at least one of a plurality of specified conditions, the plurality of specified conditions comprising one or more of the following: a current registration of the user equipment is set to expire in a predetermined time; one or more error conditions in the communication system; one or more error conditions in the control entity; and the communication system mistrusts the user equipment, wherein the message is configured to trigger the user equipment to re-register with the communication system in response to the message, without requiring said user equipment to drop existing sessions associated with said user equipment. 30. An apparatus, comprising: registration means for registering a user equipment with a control entity in a communication system, said control entity implemented as a serving call state control function; and sender means for sending a message to the user equipment requesting that the user equipment re-register with the communication system, the message is sent in response to at least one of a plurality of specified conditions, the plurality of specified conditions comprising one or more of the following: a current registration of the user equipment is set to expire in a predetermined time; one or more error conditions in the communication system; one or more error conditions in the control entity; and the communication system mistrusts the user equipment, wherein the message is configured to trigger the user equipment to re-register with the communication system in response to the message, without requiring said user equipment to drop existing sessions associated with said user equipment. 31. A method, comprising: receiving a message, at a user equipment in a communication system wherein the user equipment is configured to register with a control entity implemented as a serving call state control function, from the communication system requesting that the user equipment re-register with said communication network, the message is received in response to at least one of a plurality of specified conditions, the plurality of specified conditions comprising one or more of the following: a current registration of the user equipment is set to expire in a predetermined time; one or more error conditions in the communication system; one or more error conditions in the control entity; and the communication system mistrusts the user equipment; and causing said user equipment to re-register with said network in response to said message wherein said user equipment is re-authenticated when said user equipment is re-registered, wherein re-registration of said user equipment is carried out without dropping existing sessions associated with said user equipment. 32. An apparatus, comprising: a processor of a user equipment configured to operate in a communication system, wherein said user equipment is configured to be registered with a control entity in operation, the control entity implemented as a serving call state control function; a receiver configured to receive a message from the communication network requesting that the user equipment re-register with said communication network, the message is received in response to at least one of a plurality of specified conditions, the plurality of specified conditions comprising one or more of the following: a current registration of the user equipment is set to expire in a predetermined time; one or more error conditions in the communication system; one or more error conditions in the control entity; and the communication system mistrusts the user equipment; wherein said processor is configured to re-register said user equipment with said network in response to said message, wherein said user equipment is re-authenticated when said user equipment is re-registered, and wherein said processor is configured to re-register the user equipment with the network without dropping existing sessions associated with the user equipment. 33. The apparatus of claim 29, wherein the user equipment comprises a mobile user equipment. 34. The apparatus of claim 29, wherein said message is configured to be sent in response to an occurrence of one or more specified conditions. 35. The apparatus of claim 29, wherein the error conditions comprise one or more of the following conditions: congestion in said system; and overloading in said system. 36. The apparatus of claim 29, wherein the message is configured to be sent to the user equipment conditioned upon whether the user equipment subscribes to a service providing said message. 37. The apparatus of claim 29, wherein the apparatus is configured to send the message to the user equipment via an intermediate control entity. 38. The apparatus of claim 37, wherein said intermediate control entity is a proxy call state control function. 39. The apparatus of claim 29, wherein said user equipment is configured to send a re-registration request in response to said message. 40. The apparatus of claim 29, wherein said communication system is a third generation communications network. 41. The apparatus of claim 29, wherein said message is a session initiation protocol NOTIFY message. 42. The apparatus of claim 32, wherein the user equipment comprises a mobile user equipment. 43. The apparatus of claim 32, wherein said control entity is configured to send said message. 44. The apparatus of claim 32, wherein said message is configured to be sent in response to an occurrence of one or more specified conditions. 45. The apparatus of claim 32, wherein the control entity error conditions comprise one or more of the following conditions: congestion in said system; and overloading in said system. 46. The apparatus of claim 32, wherein the message is configured to be sent to the user equipment conditioned upon whether the user equipment subscribes to a service providing said message. 47. The apparatus of claim 32, wherein the control entity is configured to send the message to the user equipment via an intermediate control entity. 48. The apparatus of claim 47, wherein said intermediate control entity is a proxy call state control function. 49. The apparatus of claim 32, wherein said user equipment is configured to send a re-registration request in response to said message. 50. The apparatus of claim 32, wherein said communication system is a third generation communications network. 51. The apparatus of claim 32, wherein said message is a session initiation protocol NOTIFY message. 52. A computer-readable medium encoded with instructions that, when executed on a computer, perform a process, the process comprising: registering a user equipment with a control entity in a communication system, the control entity implemented as a serving call state control function; sending a message from the communication system to the user equipment requesting that the user equipment re-register with said communication system, the sending is responsive to at least one of a plurality of specified conditions, the plurality of specified conditions comprising one or more of the following: a current registration of the user equipment is set to expire in a predetermined time; one or more error conditions in the communication system; one or more error conditions in the control entity; and the communication system mistrusts the user equipment; and causing said user equipment to re-register with said communication system in response to said message wherein said user equipment is re-authenticated when said user equipment is re-registered, wherein re-registration of said user equipment is carried out without dropping existing sessions associated with the user equipment. 53. A computer-readable medium encoded with instructions that, when executed on a computer, perform a process, the process comprising: authenticating a user equipment with a control entity in a communication system, the control entity implemented as a serving call state control function; sending a message from the communication system to the user equipment requesting that the user equipment initiate a procedure with said communication system, said procedure causing re-authentication of said user equipment, the sending is responsive to at least one of a plurality of specified conditions, the plurality of specified conditions comprising one or more of the following: a current registration of the user equipment is set to expire in a predetermined time; one or more error conditions in the communication system; one or more error conditions in the control entity; and the communication system mistrusts the user equipment; causing said user equipment to initiate said procedure in response to said message; and re-authenticating said user equipment, wherein said procedure is carried out without dropping existing sessions associated with the user equipment. 54. A computer-readable medium encoded with instructions that, when executed on a computer, perform a process, the process comprising: receiving a message, at a user equipment in a communication system wherein the user equipment is configured to register with a control entity implemented as a serving call state control function, from the communication system requesting that the user equipment re-register with said communication network, the message is received in response to at least one of a plurality of specified conditions, the plurality of specified conditions comprising one or more of the following: a current registration of the user equipment is set to expire in a predetermined time; one or more error conditions in the communication system; one or more error conditions in the control entity; and the communication system mistrusts the user equipment; and causing said user equipment to re-register with said network in response to said message wherein said user equipment is re-authenticated when said user equipment is re-registered, wherein re-registration of said user equipment is carried out without dropping existing sessions associated with said user equipment.
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