Check to see if you possibly Silenced-Muted those items.
What about the ringer volume? when the phone rings it's too low how do I increase it
You can easily adjust ringer volume on Blackberry 8330 using the volume button on the side. Additionally, you can also do this from the settings menu under sound and volume.
The ringer is loud enough to hear if you are in another room or if you have the tv going. You can adjust the volume of the ringer to high or low.
You can adjust the volume of the ringer. Turn it down all the way to silent.
There are several things on the side of the iPhone 4s. On the left side there are two buttons for raising and lowering the volume. Above those two buttons is a switch. That turns off your ringer if you want your phone to be silent. On the right side of the iPhone there is a small black hole. That is where the SIM card goes.
Sodium chloride solution, dextrose solution, ringer's solution and lactated ringer's solution are all common large volume parenteral products.
If your phone is not ringing, your ringer volume may be turned off. Adjust the volume for the ringer by pressing the ^ button repeatedly during an incoming call.
First go to your Settings. Open the Sound tab. At the "Ringer and Alerts" section turn the volume up. If you want to vibrate and ring then turn on the "Vibrate on Ring". If you don't, then don't turn it on.
iTunes has a volume control at the top of the window, just after the Play button, that will change the volume for iTunes without affecting any other sound sources.
Adjust the volume on the source device (iPhone)
You use your volume controls on your phone, computer, or tablet.
The iPhone can produce a maximum of 100 to 115 decibels.