ISDN terminal equipment operating with circuit switching mode and packet switching mode
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 4, 1993
Grant Date -
N/A
app pub date -
Nov 16, 1990
filing date -
Nov 17, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
ISDN terminal equipment containing: a circuit switching communication unit, a packet communication unit, a manual starting unit, an unsuccessful try detecting unit, and a retrying unit. The manual starting unit starts an operation of a setting up of a call using a predetermined one of the circuit switching communication unit and the packet communication unit when receiving a manual start input. The unsuccessful try detecting unit detects that data communication has not been successfully begun by the operation of the manual starting unit. The retrying unit starts an operation of a setting up of a call using the other of the circuit switching communication unit and the packet communication unit when the unsuccessful try detecting unit detects that the data communication has not been successfully begun by the operation of the manual starting unit.
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