Communication system

Details Communication system Communication system

2011-03-29

2011-03-29

Bates, Kevin (Department: 2442)

Electrical computers and digital processing systems: multicomput

Computer network managing

Computer network access regulating

Reexamination Certificate

active

07917620

ABSTRACT:
A security server for use in a telecommunications network is arranged to receive a message; determine whether the message is from a known source or an unknown source and, depending on the result of the determination, modify the message; and forward the message within the telecommunications network. A network processing element for use in a telecommunications network is arranged to receive a message from another network element; determine whether the message has been modified and, depending on the result of the determination, perform one or more security checks in respect of the message.

REFERENCES:
patent: 5884025 (1999-03-01), Baehr et al.
patent: 6105027 (2000-08-01), Schneider et al.
patent: 2002/0037723 (2002-03-01), Roach
patent: 2002/0052200 (2002-05-01), Arkko et al.
patent: 2002/0116463 (2002-08-01), Hart
patent: 2003/0210678 (2003-11-01), Haukka
patent: 2003/0217165 (2003-11-01), Buch et al.
patent: 1 343 342 (2003-09-01), None
patent: 11220492 (1998-08-01), None
patent: 11025010 (1999-01-01), None
patent: 11-282804 (1999-10-01), None
patent: WO 01/65806 (2001-09-01), None
patent: WO 02/11469 (2002-02-01), None
patent: WO 03/007489 (2003-01-01), None
C. Jennings and J. Peterson, RFC 3325, Extensions to the Session Initiation Protocol (SIP) for Asserted Identity within Trusted Networks, http://tools.ietf.org/html/draft-ietf-sip-asserted-identity-00, May 27, 2002.
J. Peterson, RFC 3323, A Privacy Mechanism for the Session Initiation Protocol (SIP), http://tools.ietf.org/html/draft-ietf-sip-privacy-general-00, May 27, 2002.
J. Soininen, RFC 3574, Transition Scenarios for 3GPP Networks, http://tools.ietf.org/html/draft-ietf-v6ops-3gpp-cases-00, Sep. 2002.
W. Marshall et al. SIP Extensions for Network-Asserted Caller Identity and Privacy within Trusted Networks. http://tools.ietf.org/html/draft-ietf-sip-privacy-04. Feb. 27, 2002.
3GPP TSG SA WG3 Security—S3#18. Proposed changes to 33.200 about Za, Zb, Zc interfaces. May 21-24, 2001.
“Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); 3G security; Network Domain Security (NDS); IP network layer security (3GPP TS 33.210 version 5.2.0 Release 5); ETSI TS 133 210”; Dec. 2002; 21 pages.
C. Jennings et al., “Private Extensions to the Session Initiation Protocol (SIP) for Asserted Identity Within Trusted Networks,” Nov. 30, 2002, pp. 1-18.
Translation of Chinese Office Action dated Mar. 7, 2008 for Application No. 200480000385.6.
Translation of Japanese Office Action dated Mar. 26, 2008 for Application No. 2005-514901.
English translation of Japanese Office Action dated Oct. 22, 2008.

Affiliated with

Also associated with

Rating

Communication system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Communication system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Communication system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2685430