Onyx VSi System Caller ID2-152. FeaturesCallbackWhen you call a busy extension, you may leave a Callback request for a returncall. You do not have to repeatedly call the busy extension back, hoping to findit idle. To leave a Callback for an outside line, refer to the Line Callback fea-ture.To request a Callback (after calling a busy extension):(Do not hang up.)1. Dial C.You hear ringing.2. Press TALK.You can use your phone for other calls while waiting for theCallback to ring.To answer when Callback rings you back:1. Press TALK.If you hear ringing, wait for answer.ORIf you hear two beeps, go ahead and speak.To cancel a Callback request to a specific extension:1. Call the busy extension again.You hear busy tone.2. Press *.3. Press TALK or place handset in desktop charger to hang up.To cancel all your Callbacks simultaneously:(This also cancels your Line Callbacks.)1. Press TALK.2. Press # and then *.3. Press TALK.Caller IDCaller ID can show your incoming caller’s number and optional name. TheCaller ID information will show as either a post-answer or pre-answer display.With the post-answer display, you’ll see the caller’s number and optional nameafter you answer the call. The pre-answer display lets you see the caller’s num-ber and optional name before you answer the call. You can also use the pre-answer display to preview incoming calls before you answer them.Under certain conditions, you may see one of the following messages in placeof the normal Caller ID information.