user manual
1.3 Telephone Features
Operating Manual 71
To disconnect one party and then talk to the other
To put the third party on hold and talk to the original party
To leave a 3-party conference call
• * You may have to enter the Call Hold feature number, "20", after pressing the Recall/
hookswitch on your single line telephone (SLT), depending on the SLT Hold Mode of your 
PBX. For more details, refer to "1.1.15 Call Hold" in the Feature Manual.
• To return to the held call before the third party joins, press the corresponding CO or 
INTERCOM button or press the Recall/hookswitch.
• By pressing the CO button corresponding to an outside (CO) line that is not being used by 
the conference, a proprietary telephone (PT) user can exit from the conference, leaving 
the other 2 parties connected unless they are both on outside (CO) lines. If the other 
parties are both on outside (CO) lines, they will be disconnected.
PT
Talk.
During a conversation
Press CO or 
INTERCOM.
OR
(CO)
Press Recall/hookswitch.
SLT 
Talk.
PT/SLT
When you are talking with 2 extensions or
one extension and one outside party
On-hook.
The other 2 parties can continue 
their conversation.










