Vertical Communications DXP Plus - Manual (Page 14)

3.3 Camping On At An Idle Station
And Waiting For An Automatic Callback
If you call another station and hear ringing bur receive no answer, you
can press a button that will cause the system to ring your telephone when
an activity is initiated at that station.
• To camp on at a station for which you hear ringing but receive
no answer,
1. Dial ✳ 6.
2. Call back will occur after any activity is initiated at dialed
station.
• To cancel the camp-on condition at any time,
1. Lift handset and listen for intercom dial tone.
2. Dial # 6.
3. Hang up.
Making Calls GCA70–251
3 – 4 Single Line Telephone Station User's Guide