Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
Reexamination Certificate
2006-05-23
2006-05-23
Nguyen, Steven (Department: 2665)
Multiplex communications
Pathfinding or routing
Combined circuit switching and packet switching
C370S395530
Reexamination Certificate
active
07050421
ABSTRACT:
Narrowband based telephony services and associated value added services are provided transparently in a network providing ATM switching and no STM switching is required in an ATM network (625) to which units (601, 603) requiring such services are connected. This is obtained by means of, when a call enters the ATM network (625), first finding the output port (619) from the ATM network (625), then returning the address of that port to the entry port (617) and thereafter ATM switch the connection directly through the ATM network (625). Hereby bandwidth resources are more efficiently used since all switching is done by ATM regardless of application. Heavy investments in providing intelligent services support by existing systems can be reused in an efficient way and thus reduce time to market for the introduction of the value added services.
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Höller Jan
Norell Lennart
Nguyen Steven
Nixon & Vanderhye P.C.
Telefonaktiebolaget LM Ericsson (publ)
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