Samsung SPH-A640 Phone Manual page 52

In-Call Options
Pressing Options (right softkey) during a call displays a list
of features you may use during the course of a call. To
select an option, press the corresponding keypad number or
highlight the option and press
available through the Options menu:
Warning!
Key Mute mutes the keypad tones. You can then use
other options and applications during a call without
disturbing the call with keypad tones.
Call History checks your call log for Outgoing, Incoming,
Missed, and Recent calls. You can also erase the logs
from this menu.
Contacts accesses the Contacts menu.
3-Way Call lets you call two numbers and add them to
the same call.
Messaging accesses the Messaging menu options.
Voice Memo allows you to record incoming audio from
your conversation. (For more information, see
"Managing Voice Memos" on page 144.)
Tools accesses the Tools menu options.
Phone Info displays the following menu options:
Phone Number
Icon Glossary
Version
Advanced
During a call, the left softkey functions as the Mute button.
Press it to mute the phone's microphone for privacy. Press it
again to Unmute the phone.
30
Due to higher volume levels, do not place the phone
near your ear during monitor use.
. The following options are
Section 2A: Your Phone: The Basics