Opticon H16 User Manual - Manual (Page 64)

Chapter . Phone Features
. Tap Menu and select Conference.
Call waiting
To turn call waiting notifications on and off
When you are in another call, you will be notified of an incoming call if this option is selected.
If the conference connection is successful, the word “Conference” will appear at the top of the
screen. To add additional persons to your conference call, tap Hold, enter the phone number,
and then tap Swap to return and continue.
Not all service providers support conference calling. Contact your service provider for details.