Features

Two (Tandem) CO Line Connection

5.Press &QI￿7UQ 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.

TRK-TRK N1 N2 JAN 10 THU 11: 57

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 83).

Supervision

To supervise a tandem call and release it

1. Press [DN]

...or /LQH

...or 3RROHG￿/LQH￿

*US.

You are connected to both CO lines. Both Line LEDs flash (in-use rate). N1 and N2 identify the connected CO lines.

TRK-TRK N1 N2 JAN 10 THU 11: 57

2. If the parties have

hung up, go back on-

hook

...or if the parties are

still talking, press

&QI￿7UQ and hang-

up.

Both Line LEDs turn OFF and the connection is released.

Strata DK Digital Telephone 6/00

83

Page 95
Image 95
Toshiba 2000-series manual Supervision, To supervise a tandem call and release it