User Guide SIP-T28P IP Phone26You can press the Volume key to adjust the receiver volume of currently used audiodevices (handset, speakerphone or headset), when the phone is in the dialing interfaceor during a call. You can also press the Volume key to adjust the ringer volume when thephone is idle.To adjust the volume via phone user interface:1. Press Menu->Settings->Basic Settings->Phone Volume.2. Select the Handset Volume, Speaker Volume, Headset Volume or Ringer Volume,and then press the Enter soft key.3. Press , or to adjust the volume.4. Press the OK soft key to accept the change or the Back soft key to cancel.NoteRing tones are used to indicate incoming calls. You can select different ring tones todistinguish the accounts or to distinguish your phone from your neighbor’s.To select a ring tone for the phone via phone user interface:1. Press Menu->Settings->Basic Settings->Ring Tones.