Vertical Communications 8324S - Manual (Page 94)

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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 in your handset or
headset.
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).
Sending And Receiving Non-Verbal Messages GCA70–250
8 – 6 LCD Speakerphone Reference Guide