When set to Auto Answer, the handset accepts an incoming call as soon as it is removed from the charging cradle.
. . . use to select SettingsOK TelephonyOKAuto AnswerChange ( = on)
Regardless of the Auto Answer setting, the connection ends as soon as you place the handset back in the charging cradle. Exception: Press and hold the handsfree key for a further 2 seconds while placing the handset in the charging cradle.