Vertical Communications DXP Series - Manual (Page 33)

3.9 Camping On At An Idle Station
And Waiting For An Automatic Callback
If you call another station and hear ringing but receive no answer, you
can press a button that will cause the system to ring your telephone when
the user at the called station initiates any telephone activity.
•
To camp on at a station for which you hear ringing but receive no
answer,
1. Press CALLBK button.
2. Callback will occur after the user at the called station initiates any
telephone activity.
•
To cancel the camp-on condition at any time,
1. Press INTERCOM button and dial # 6.
NOTE: If you make a call in the voice announce mode and receive no
answer at the called station, the CALLBK option is still
available to you.
GCA70–258 Making Calls
LCD Speakerphone Station User's Guide 3 – 11