Toshiba Strata DK User Manual page 86

The Grand Tour
Two (Tandem) CO Line Connection
To supervise a tandem call and release it
1. Press [DN]
...or
...or
2. Go back on-hook if
the parties have hung
up
...or press
7516
if the parties are still
talking.
74
&2
3/
.
&21)
and hang-up
The LED turns OFF when the parties hang-up.
If the public telephone company provides auto
Note
disconnect, the connection may release
automatically when the parties hang up. If not,
the lines must be supervised to be disconnected.
You are connected to both
CO lines. Both CO LEDs
flash (in-use rate).
N1
identify the connected
N2
CO lines.
Both CO LEDs turn OFF, and the connection is
released.
TRK-TRK N1 N2
JAN 10 THU 11: 57
and
Strata DK Electronic Telephone 5/99