VTech 18150 TWIN User Manual page 41

Note: After OTB is released, the OTB call remains
open for a short time. If no one presses OTB within
10 seconds, the OTB call ends automatically.
BROADCAsT CALL TO MULTIPLE DEVICEs
When there are multiple handsets registered to the
phone system, OTB supports one-to-group calls.
To call multiple handsets:
1. You have two ways to call multiple handsets. When the
handset is not in use:
Press and hold OTB until the handset shows
•
Connecting to group....
Press OTB. Press
•
SELECT
Connecting to group....
When the connection is made, both the caller and the
destination parties hear a beep. The speakerphones
on all other devices automatically activate.
. You need to press and hold OTB when you want
to speak. Speak towards the handset. Your voice is
broadcast to all devices.
3. Release OTB after speaking.
4. Any extension can reply.
or
or press OTB and your handset shows
to choose Group. Press
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