User`s guide

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
any activity is initiated at that station.
• To camp on at a station for which you hear ringing but receive no
answer,
1. Dial ✳ 6 and hang up the handset. Callback will occur after any
activity is initiated at dialed station. You may cancel the camp-on
condition at any time by pressing INTERCOM and dialing #6.
NOTE: If you make a call in the voice announce mode and receive no
answer at the called station, the CALLBK option will still be
available to you.
GCA70–249 Making Calls
Non-LCD Reference Manual 3 – 9