Communications device to establish call in ISDN system
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United States of America Patent
Stats
-
Jun 17, 1997
Issued Date -
N/A
app pub date -
May 12, 1995
filing date -
Aug 14, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A communications device, connectable to a digital network, such as an ISDN, for setting up a voice call to a remote telephone via the network, the device comprising logic for sending a call signal to the network to establish a call via the network to a local telephone, characterized by call transfer logic for sending further signals to the network to transfer the established call to the remote telephone in response to a confirmation signal from the network indicating that the local telephone has been answered, thereby establishing a voice call between the local telephone and the remote telephone. In one embodiment the device is in the form of a communications adapter for a personal computer.
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