Toshiba DKT2510-FS 用户手册

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页码 196
76
Strata CT Digital Telephone User Guide   November 2001
Two (Tandem) Exchange Line Connection
Features
Exchange Line Buttons
This feature allows a station user to connect two Exchange lines, then drop out of the conversation. 
On some systems, both Exchange 
Line
 buttons (or 
Pooled Line Grp
 buttons) must appear on your 
telephone to allow Tandem connections to be established from your telephone.
To connect two outside lines (using a 
Line
Line
Line
Line
 button)
1. Press Exchange 
Line
 
...or 
Pooled Line Grp
 
and dial a telephone 
number.
You hear dial tone.
2. After the party answers, 
press 
Cnf/Trn
.
You hear dial tone. The Exchange Line LED flashes 
(conference rate). The new Line LED flashes (in-use rate).
3. Press another Exchange 
Line
...or 
Pooled Line Grp
 
and dial a telephone 
number.
...or on some systems, you 
can press 
Cnf/Trn
 and dial 
an Exchange line access 
code followed by a 
telephone number.
It is not necessary to have both Exchange 
Line
 buttons on 
your telephone.
4. After the party answers, 
press 
Cnf/Trn
.
If you receive a busy tone 
or no answer, return to the 
original connection by 
pressing the original 
Line
 
button.
The Line LEDs both flash (in-use rate) and all parties are 
conferenced.