Finally a Digital answering machine that will work well with Vintage Touch Tone and Rotary Dial Telephones.  

Hear your messages loud and clear.

This Amplified Digital Answering Machine
records all messages digitally and provides quiet, effortless operation.
It's the perfect choice for households with users of different hearing
needs. The answering machine adjustable playback volume control allows
the volume to be increased up to 30 dB to ensure that every message
is heard loud and clear. LCD readout shows the number of messages
received and each gets labeled with a time/day stamp.
An answering machine that works with your busy lifestyle, by enabling
incoming callers to leave recorded voice messages when you are
unable to take a call. You can then listen to these messages at a later
time, even if you are away from home.

Additional Features
> 30 minutes of digital recording time
> Call Screening/Intercept – allows you to listen to incoming
callers leaving a message without answering the call. To
answer the call, simply pick up any phone on the same line
> Remote Access – listen to your messages, change your
outgoing announcement and more by calling in from any
touch-tone phone
> Time/Day Stamp – announces the time and day of each
message before playback
> 2 outgoing message recordings
> Memo recording (each message can be up to 3 minutes)
> Supports 3 languages: English, French, Spanish
> Table/wall convertible
> Size: 7.0" x 5.0" x 2.25"
> Color: Black
> 1-year warranty
> Item Old Phone Shop SKU # DAMRT

KEY FEATURES 

30 dB Adjustable Amplification (10 levels)
Slow Speech message playback with 3 selectable
speech speed levels
Big button easy-to-read keypad

 Easy hook up to any vintage telephone with regular RJ11 plug in.  Will not work with Magic  Jack. Will only work on single line phones