Vertical Communications DSU II - Manual (Page 22)

Camping On Options
Busy or Idle Station, Automatic Callback
If the telephone you have called on the intercom line is busy or rings with no answer,
you can have the system ring your telephone when the called station becomes idle (if
it was busy) or when there is any activity initiated at that telephone (if it rang with no
answer before).
· To camp on at a busy or no answer station,
1. MAKE intercom call.
NOTE: If you make a call in the voice-announce mode and receive no answer at
the called station, press
INTERCOM before dialing S 6 in order to camp-on
at that station.
2. DIAL
*6
.
3. Your telephone immediately hangs up. When the telephone you
called becomes idle, your telephone will ring with five short ring
bursts.
4. PRESS
INTERCOM when you hear the ring bursts. The other
telephone will start ringing.
· To cancel automatic ringback,
1. PRESS
INTERCOM AND DIAL
#6
.
· To camp on at a station with a Do Not Disturb condition set,
1. MAKE intercom call.
2. DIAL
*6
. A callback will occur when called station is no
longer set in the Do Not Disturb mode.
Busy Station, Wait For An Answer (Call Waiting)
If the telephone you have called is busy, you can send a call waiting tone to a busy
telephone and wait on the line for an answer.
16 Single Line Proprietary Telephone Station User’s Guide
Making Calls GCA70-246