Table 2-5: Telephone Interface Board - PictureTel Concorde 4500 Servicing Manual

Table 2-5: Telephone Interface Board

Feature
Network
connection
Dialing interface
Extension
telephone
Function
Provides a direct
connection to the
public switched
telephone network in
the United States,
Canada, and Europe.
Facilitates connection
to the network
Used to answer an
incoming audio call
Answering an audio
call
Description
RJ-11 modular jack is used to
connect the interface to the
network. Also offers a loop-
through port for the
connection of a standard two-
wire telephone set.
Uses dual-tone multiple
frequency (DTMF) method.
Acts as a normal telephone
when there is no audio call.
When an audio call is in
progress, the extension
telephone is disconnected from
the call. The incoming audio
call can be answered at the
extension telephone or at the
Concorde¥4500.
Using a wired keypad Ð If an
audio call is picked up at the
extension telephone, it can be
transferred to the keypad by
pressing the
Audio Call
This allows other participants
in the room to hear the call.
Using a wireless keypad Ð Use
the button to transfer
Call/Add
an audio call to the keypad.
Audio Board
button.
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