Hyundai HDT-H3 User Manual page 33

USING MULTI-HANDSETS
3. Wait for the other handset to answer your call.
4. When the other handset has picked up the call. Press OPTIONS.
5. Press Up or Down to select CONFERENCE. Press OK. You are now in a conference call.
To exit conference:
1. Press OR
Press OPTIONS. Press Up or Down to select EXIT CONF. Press OK.
HDT-H3 OM Page 33 of 35