Voice call volume
Control them all easily with Volume Master!
Includes the ability to unlink (or link) Ringer and Notification volumes!
Please note: Ringer & Notification linking/unlinking works on all devices running Android Gingerbread (or lower) and some devices running Android ICS (or higher). Not all ICS (or higher) devices support this feature due to varying volume control implementations by device manufacturers.
Ad-supported free version. Ad-Free, paid version is available in the market.
Also check out some of the great new features in the paid version - Volume Profiles (Presets) and Volume Master Home Screen Widgets for easy, one-touch volume changes!