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Two (Tandem) CO Line Connection
72 Strata DK Electronic Telephone 5/00
➤ To connect two outside lines (using a &2 button)
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 &2 button)” on Page 72.
1. Press &2
...or 3/ and dial a
telephone number.
You hear dial tone.
2. After the party
answers, press
&21)7516.
You hear dial tone. The CO LED flashes (conference
rate). The new CO LED flashes (in-use rate).
3. Press another
&2
...or 3/ and dial a
telephone number.
...or on some
systems, you can
press
&21)7516
and dial a CO Line
access code and then
dial a telephone
number.
It is not necessary to have both
&2 buttons on your
telephone.
4. Press
&21)7516
after the party
answers.
...or the original &2
button if you receive
a busy tone/no
answer.
The CO LEDs both flash (in-use rate) and all parties
are conferenced.