GE 21115 User Manual

9:54

•  If you press 1 again, the central office automatically holds the current line 

and picks up the line on hold.

•  When you press 3 to build the conference call, the central office 

automatically builds the conference call. The display shows:

•  You may press the TALK or SPEAKER button if in speakerphone mode to 

release the conference call, press 4 to drop the last call, or press 5 to drop 

the first call.

•  If you press 4 to drop the last call, the central office automatically drops 

the last call and keeps the first call. If you press 5 to drop the first call, the 

automatically drops the first call and keeps the last call.

In both cases, the display shows:

•  When you press 7, the central office automatically drops the last call and 

picks up the first call. The unit still displays:

1.  Make sure Caller ID Type 2.5 is ON.
When you receive CID information while you are on the line, the display shows: