Section 700 - Operation
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The system does not send the offhook signal under the following
You can interrupt a busy extension when making an Intercom Call. and then
use the Off-Hook Voice Announce (OHVA) feature make an announcement
that only the called party can hear. You can also transfer a held call to a busy
extension after making the announcement using this feature.
To make an OHVA:
1. Pick up the handset.
2. Dial the desired extension number.
If the extension is busy, your phone issues
3. Press "5."
"CONF XXX YYY" (where "XXX" is the calling extension and
"YYY" is the receiving extension) appears on the display if you call a
"CONF XX YYY" (where "XX" is the line number and "YYY" is the
extension) appears on the display if you call an extension that is
speaking with an outside line.
The EXT LED flashes.
"Voice Announce" appears on the called extension's display.
DBS Manual - Issue~~5
Chapter 4. Key Telephone Features