HP (Hewlett-Packard) 520 5/XX Personal Computer User Manual


 
6
Aztech AT3300
Audio Fax/Data Modem
Depending on the particular HP Vectra 500 Series PC model, there may
be an Aztech AT3300 audio fax/data modem installed. This modem
incorporates built-in advanced communication and audio telephony
features, including a capability to perform simultaneous audio playback
and recording, as well as hands-free communication.