The digital sound offers overall better dynamic range and more clarity.
Speakerphone - Talk handsfree
Handsfree mode uses a built-in loud speaker to amplify the voice of the caller, allowing you to speak and listen during a call without holding the phone to your ear. This is especially useful if you want to share the call with others or take notes during a call.
Digital answering machine
With a digital answering machine, you'll never miss a call or message.