Sanyo SCP-8400 - Manual (Page 204)

188 Section 2K: Using Sprint PCS Ready Link
4. Continue holding as you speak. (When you have
finished speaking, release to allow the other
contact to speak. When the other party takes the floor,
you will see the speaker’s name and phone number and
the text “has floor.”)
5. When you are finished, press .
Note: When neither party has the floor during a Sprint PCS Ready Link call,
“Floor is open.”appears on the display. If no one takes the floor for 20
seconds, the Sprint PCS Ready Link call ends automatically.
Tip: If you press or during step 3 above, you can make a standard
voice call.