You can change the sound that your phone uses for incoming calls.
Select Settings > Preferences > Ringtone.
Scroll through the list of ringtones and press Play to hear a sample.
Press Set to use the ringtone.
Adjust the Phone Ringer Volume
If your phone ringer is too loud or too soft when you get an incoming call, you can change the ringer volume. Changes to the ringer volume do not affect the call volume you hear when you are on a call.
Press Volume up or down to adjust the volume when the phone is not in use.
Adjust the Volume During a Call
If the sound in your conference phone is too loud or too soft, you can change the volume while you are listening to the other person.
Press Volume up or down to adjust the volume while you are on a call.
Phone Display Language
Your phone can display text in many languages. Your administrator sets the language the phone uses. If you want the language changed, contact your administrator.