3. Press voic (voice).
4. The display will update and you are now speaking through the busy
extension's speaker:
5. The Called extension (in the example, ext 11) must have the receiver
(handset) off hook, or you will get one double ring burst, and the
display will update:
Conditions
1. The called extension must be off hook, on the handset, for OHVA to
work. If a headset is being used and the handset is not off hook, OHVA
will not work.
2. If the extension user has the Mute function activated, the line remains
muted until the Off-Hook Voice Announce is complete.
DIGITAL TELEPHONE USER GUIDE - 65