![](/images/new-backgrounds/1236718/236718105x1.webp)
Using Phone Features and Functions |
Chapter 2: Using the 24-Button Digital Phone
Callback
Callback can be used to call back an internal caller that has left you a message. In addition, if you try to access an outside line (by dialing the access code: usually 9), you can use Callback to alert you when an outside line is freed up for you to use to make an external call.
Note: An external or outside line is also known as a CO Line.
Return a Call from Someone that Left a Message
When you have a message from another station:
1.Pick up the handset or press SPEAKER.
2.Press CALL BACK to directly dial the station from which the message was left.
Use Callback to Notify You
When an Outside Line (CO LINE) is Available
When you try to access an outside line that is busy:
1.Press CALLBK.
-A confirmation beep will sound.
CO LINE 001 BUSY QUEUEING ([CALLBK])
CALLBK
When an outside line becomes available, your phone will ring.
2.Lift the handset or press SPEAKER.
3.Press the flashing line key, then dial 9 to access an outside line.
4.Dial the external phone number.
SBX IP 320 Phone User Guide