D-Link DCS-2330L Manual page 69

Step 5 : C heck t he E nable A udio o n A c=ve C hannel a nd c lick O K.
You s hould n ow b e a ble t o h ear y our c amera's a udio.
Disclaimer: M icrosoe a nd W indows a re r egistered t rademarks o f M icrosoe C orporaTon i n
the U nited S tates a nd o ther c ountries.