The ringer doesn't ring, only vibrates. I select "settings" but there is not ringer volume level so I can hear the phone actually "ring', it only vibrates

Press program/mute button to confirm and you may program the following items: Set Language, Handset Name, Ringer Tone, Ringer Volume, Message Alert, Ring To Answer, Security Code, VIP Melody, Key Tone, Audio Predial, Vibrate Ringer, Area Code, Tone/Pulse, Registration, Deregistration and Default Setting.
Ringer Volume
From the Handset Setup Menu:1. Press the caller ID-volume ( 6 or 5) button to scroll to the RINGER VOLUME sub-menu.
2. Press program/mute button to enter the menu. SET RINGER 1HI 2LOW 3OFF shows in the display.
3. Use the touch tone pad on the handset to select 1, 2or 3, or use the caller ID-volume ( 6 or 5) button to scroll to your selection. HI is the default setting.
4. Press the program/mute button to save your selection. You will hear a confirmation tone and the new volume setting shows in the display.
NOTE: If you turn the ringer OFF, the ringer off icon shows in the display.

It could be that your selected ringtone is inaudible. Go into your settings and test the selected ringtone for calls. If you can't hear it, try another. Also check your ringer volume setting. It may be all the way down.

Hello Hank,

When you make call use the left and right square key for increasing or decreasing volume.

a. Make sure your ringer is not in vibrate mode.
1. Press Menu > Settings/Tools > Settings > Sounds > Ringer Type > Voice Calls. 2. Select Caller IDor No Caller ID. (A list of ring type categories will be displayed.) 3. Select a category, and then use your navigation key to scroll through the available ringers. A sample ringer will sound as you highlight each option. 4. Press OK to assign a ringer.
b. Make sure your speaker works. Turn On your speaker phone while talking to someone and see whether you can hear or not.
c.Make sure the increase the volume using keys on side of your phone.

Sound Settings
You can customize various sound settings.
Incoming call
Note: When downloading MegaTones® or HiFi RingersTM, charges may apply.

Ringtone.
This menu allows you to select a ring melody. Highlight Ringtone and press . Use the Up or Down key to highlight a ring tone or press the Left or Right key to select a file from either the Default Melodies, Voice list, or Sounds folders. Press the Select soft key.

Volume
This menu allows you to adjust the ring volume to one of 7 levels plus Silent mode and Vibration mode.

• Use the Right or Left key to increase or decrease the volume.

Alert type
This menu allows you to specify how inform you of incoming calls. Use the Right or Left key to select an Alert type.
The following options are available:
- Melody: the phone rings using the ring melody selected in the Ringtone menu.
- Vibration: the phone vibrates but does not ring.
- Melody and vibration: the phone rings and vibrates simultaneously.
- Vibration then melody: the phone vibrates three times and then starts ringing.
- Melody then vibration: the phone rings using the ring melody selected in the Ringtone menu and then vibrates.

Message tone
This menu allows you to set up the ringer for incoming messages. You can set the Tone, Alert type, and Repetition.

• Use the Up or Down Navigation keys to make your selections.

Keypad tone
This menu allows you to select a Beep or a Xylophone for your Keytone and to select the Volume (0-7) that the
phone sounds when you press a key.

• Use the Up or Down Navigation keys to make your selections.

Welcome to FixYa
Dear User,
You can Adjust your Ringer Level to High...If your Ringer is in Full Volume and No Sound/Bad Sound-the Problem is with Buzzer or Board Complaint[Board complaint in Rare Case]
Ringer Option in 6300:

• Settings
• Profile
• General
• 'Personalise'
• 'Incoming Call alert'[Must be in RINGING]
• Move to Bottom 'RINGING VOLUME'[move to Right side-now you can Hear Sound-Set to High Level or as you Like
• It may ask for Confirm Selection of high Ring Vol
• Alert For 'ALL CALLS'[at Bottom]
• 'Save' Click
• Then Activate GENERAL

You are Done[In this way -you can Select any Profile]
Hope this Helped -Dont forget to Rate ME......Thanks for Contacting FixYa...

press # for atleast 2 seconds

From the manual:

1. Press the CALLER ID-VOLUME ( 6 or 5) button to scroll to the RINGER VOLUME sub-menu.
2. Press mute/menu OK button to enter the menu. SET RINGER LEVEL 5 shows in the display.
3. Use the CALLER ID-VOLUME ( 6 or 5) button to scroll to your selection. LEVEL 5 is the default setting.
4. Press the mute/menu OK button to save your selection. You will hear a confirmation tone and the new volume setting shows in the display.

Without the exact model it is difficult to find the manual.

Here the manual for 900 series/996:Uniden EZI996.

I also quote from manual:

Selecting the Ringer Tone and Volume

Base ringer on/off
The ringer switch allows you to set the base ringer on or
off. If you set the switch to off, you never hear the base
ringer tone.

Base ringer tone
Press the ringer tone button in standby mode to select one of 7 ringer tones.

Base ringer volume
Slide the ringer volume adjuster to set the base ringer volume.

Handset ringer tone and volume
Press the volume up key or volume down key (labeled as the volume/ /+ or volume/ /- key) in standby mode to select one of five ringer tones and volume combinations

No ringer volume or speaker phone