Samsung SCM Telephone Quick User Guide2 | P a g eRedial – SMT-i6xxx & SMT-i5343 Model Telephones Pressing the Redial key will dial the last number called. To view previous dialled numbers, press the soft key under the History display on thescreen. Press the Down key of the Navigation button to scroll previous logs. Press the soft key under Call to redial the number. Press OK of the Navigator button to review details of the call.Redial – All other SMT-ixxxx Model Telephones Press the soft key under Log displayed on the screen. Press the Down key of the Navigation button to scroll previous logs. Press the soft key under Call to redial the number. Press OK of the Navigator button to review details of the call.Volume ControlHandset During conversation using the Handset, Press the [+] or [–] of the volume key to increase /decrease the volume.Speaker During conversation using the Speaker, Press the [+] or [–] of the volume key to increase /decrease the volume.Ringing Press the [+] or [–] of the volume key to increase / decrease the volume whilst the phone isaudibly ringing.