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Two (Tandem) CO Line Connection
Strata DK Digital Telephone 5/99 71
3. Press another CO
/LQH
...or 3RROHG/LQH
*US
and dial a
telephone number.
...or on some systems,
you can press
&QI
7UQ
and dial a CO
line access code
followed by a
telephone number.
It is not necessary to have both CO
/LQH buttons on your
telephone.
4. After the party
answers, press
&QI
7UQ
.
If you receive a busy
tone or no answer,
return to the original
connection by
pressing the original
/LQH button.
The Line LEDs both flash (in-use rate) and all parties are
conferenced.
5. Press
&QI7UQ and
hang up.
You hear dial tone. Both Line LEDs
continue to flash (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.
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
“Supervision” on Page 72).
TRK-TRK N1 N2
JAN 10 THU 11: 57