–––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
Two (Tandem) CO Line Connection
Features
67
Two (Tandem) CO Line Connection
This feature enables a station user to connect two CO lines, then drop out of the conversation.
On some systems, both
buttons (or
buttons) must appear on your telephone to allow
Tandem connections to be established from your telephone.
➤
To connect two outside lines using a [DN] button
1. Press
while talking on an
outside call using a
[DN] button.
You hear dial tone. The [DN] LED flashes (conference rate).
2. Dial a CO Line access
code and then the
outside telephone
number.
See Table 29 on Page 100—CO Line Access Codes. Ask your
System Administrator for the proper code to use for this type of
call.
3. Press
after the party
answers.
The [DN] LED flashes (in-use rate), and all parties are
conferenced.
...or [DN] to return to
the original
connection if you
receive a busy tone/no
answer.
4. Press
and hang-up.
You hear dial tone before you
hang-up. The [DN] LED flashes
(exclusive-hold rate) and the two lines
are connected.
N1
and
N2
identify the
connected CO lines.
The LED turns OFF when the parties hang-up.
Note
If the public telephone company provides auto
disconnect, the connection may release automatically
when the parties hang up. If not, the lines must be
supervised to be disconnected. See “To connect two
outside lines (using a CO button)” on Page 68.
TRK-TRK N1 N2
JAN 10 THU 11: 57