How to turn ringer back on the cl82413 at&t home phone?

Go in to the settings on the handset, look for ringing or ringer and turn the tone from off to on.

It a little bit older cordless phone, I CAN'T find the model number, there's a menu/elect button on the face but I can't turn the ringer off. The base has a ringer that I turned off but the phone still rings. There are no switches on the phone or base for turning it off.

What make and model phone?

Press either line 1 or line 2 on the face of the phone then slide the volume button up or down, for example, press line 1 and slide volume up to turn on ringer, and press line 2 and slide down to turn ringer off

My phone is a Uniden TCX905 model.
Ringer Volume
Choose from three ringer volume settings (off,
low, and high). With the phone in standby(normal display), use button on center of handset. Press up arrow or down arrow to adjust the ringer volume.

Hi there try this,
When the phone is in the standby mode, press menu/mute.
2) Press select/ch.
3) Press + or - to move the pointer through the ringer
settings (Ringer Off, Ringer Low, or Ringer High).
You will hear a ringer or melody at the selected volume.
4) Press select/ch, you will hear a confirmation tone.
Ringer Mute (temporarily)
You can temporarily mute the ringer tone. When the handset is off the base and the
phone is ringing, press end. The ringer tone will return to the previous setting starting
with the next incoming call.
[ 20 ] BASICS
• If you select “Ringer
Off”, “Ringer Off”
appears on the display
when you make or
receive calls, or
charge the handset.
Ringer Volume Setup
1) When the phone is in the standby mode, press menu/mute.
2) Press - to move the pointer to “Ringer Tones”, then
press select/ch.
You can choose from 6 ringers or 4 melodies:
- Ringer [Flicker, Clatter, Leap Frog, Ping Ball, Reminder,
Soft Alert]
- Melodies [Beethovens9, For Elise (Elise), Merry Christmas
(Merry-Xmas), Home Sweet Home (Hm Swt Hm)]
3) Press + or - to move the pointer. You will hear the ringer or
the melody as you scroll through the options.
4) Press select/ch and you will hear a confirmation tone.
Ringer Tone Setting
• If

I have two uniden phones 2.4 GHz and the ringer is turned off and we cannot figure out how to turn it back on again. Please help!!!

press menu,scroll down to ringer settings,hit select,scroll to ringer volume and hit select then press up the round button in the middle until you hear it make a "ring" sound. adjust your preferred volume and hit save.

The VT-9118 can use one of 4 different ring tones, and can be turned off. 

To reset your ring tone: 

1. Remove the handset from the base. 
2. Press PROG. You should hear a single short beep.
3. Press #.  You should hear a single short beep. 
4. Press a number 1 through 4. You should hear a long "ring" tone (it might be startling!). You can try other numbers from 1 to 4 to hear them all.  
5. Press MEM to confirm your ring. You will hear a medium beep. 
   

To turn the ringer off, follow the same instructions, but choose number 5. 
Hope this helps you. If you need for information, you can download the user manual from http://www.vtechphones.com/docMgt/public/art/313/vt9118.pdf

To turn your ringer back on, you do the following. For your handset, you push Menu, scroll to ringer settings, then push select, Press select again for ringer volume, then scroll up to turn on and increase the ringer volume. Then press Save once its at the desired volume. To change your base ringer, while it is not in use, push the ringer up button until you hear the desired setting. That should fix your problems.