Samsung SGH-E105CSATMB - Manual (Page 85)

Sound Settings
82
The following options are available.
Error Tone : sets whether the phone informs you that you
have made a mistake or not.
Minute Minder: sets whether the phone must beep every
minute during an outgoing call to keep you informed of the
length of your call.
Connect Tone : sets your phone to beep when the person
you are calling answers the phone.