Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
Reexamination Certificate
2005-01-04
2005-01-04
Hong, Harry S. (Department: 2642)
Telephonic communications
Plural exchange network or interconnection
With interexchange network routing
C370S259000, C370S354000, C370S389000, C379S201010, C379S221130, C379S900000, C455S433000, C455S445000, C709S245000
Reexamination Certificate
active
06839421
ABSTRACT:
An efficient interface for service exchange is provided between a circuit-switched communications network and a domain naming system (DNS) in a packet-switched communications network. A node in the circuit-switched communications network receives from a first entity a request for a first service involving a second entity associated with a second entity identifier. A message is sent from the circuit-switched network node to a DNS server in the packet-switched network requesting a second service related to the second entity identifier. The result of the second service from the DNS server is used in providing the first service.
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Cobo Miguel
Ferraro Esparza Victor
Khello Robert
Plata Andrés Isabel
Hong Harry S.
Nixon & Vanderhye P.C.
Telefonaktiebolaget LM Ericsson (publ)
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