Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2003-10-17
2010-06-29
Matar, Ahmad F (Department: 2614)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C379S221080, C370S353000, C370S354000, C370S355000
Reexamination Certificate
active
07746845
ABSTRACT:
The invention relates to a method for the transmission of call control parameters for switching over between a voice transfer mode and a data transfer mode between two media gateway controllers (6, 7), which are used by way of an IP network between two telecommunication terminal devices separated from any medium or bearer connection, whereby the call control parameters are transferred with conversion into the SIP or SIP_T protocol or from this into a standard signaling protocol.
REFERENCES:
patent: 2001/0036176 (2001-11-01), Girard
patent: 2003/0193696 (2003-10-01), Walker et al.
patent: 2003/0227908 (2003-12-01), Scoggins et al.
patent: WO 01/78418 (2001-10-01), None
patent: WO 02/41574 (2002-05-01), None
Chang-Sup Keum, Young-Il Choi, Ho-Jin Park, Byung-Sun Lee: “SDL Pattern-based Desing for SIP-T Protocol in a Softswitch System”, Proceedings of the lasted International Conference Communication System and Networks, Malaga, Spain, Sep. 9-12, 2002, pp. 326-331, XP009025336.
Baumann Thomas
Hoffmann Klaus
Greenberg Laurence A.
Locher Ralph E.
Matar Ahmad F
Nguyen Khai N
Nokia Siemens Networks GmbH & Co. KG
LandOfFree
Support for fax and modem in SIP/SIP-T networks and the... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Support for fax and modem in SIP/SIP-T networks and the..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Support for fax and modem in SIP/SIP-T networks and the... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4210463