Vertical Communications 8412S - Manual (Page 96)

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To send an LCD message to a caller who has initiated a SOHVA or
intercom call from another LCD telephone,
1. Hear the SOHVA tone or voice announcement.
2. Press the appropriate fixed RESPONSE MESSAGE button to
send a preselected message (I Will Call Back, for example) to the
calling telephone,
—OR—
while still on the call, press the scrolling RESPONSE
MESSAGE button to scroll through the system-supplied
messages.
3. Press # when your display shows the message you wish to send
(the message will then be displayed at the calling telephone and
the SOHVA call will be terminated).
8 – 6 Large Screen Speakerphone Manual
Sending And Receiving Non-Verbal Messages GCA70–349