Topics Map > Service Catalog > Telecommunications services > Telephone/Voice Communications
Quick Button Reference for AudioCodes 420HD
AudioCodes 420HD model VoIP phone buttons and functions
Flashing blue light indicates an incoming call.
Interactive screen displaying calling information, enabling you to set up phone features.
There are four softkeys and they offer many different available functions for the LCD screen
Navigation Control / OK
Press the upper rim to scroll up menus/items. Press its lower rim to scroll down. Press its left or right rim to move the cursor left or right (when editing a contact number for example). Press the OK button to select a menu/item/option.
Retrieves voice mail messages. (Envelope Icon)
Press to directly access the Personal directory and Corporate directory.
Accesses menus (1) Call Log (2) Directory (3) Speed Dial (4) Settings (5)
Status (6) Administration.
Accesses a list of recently dialed numbers; one can be selected to redial.
Transfers a call.
Places an active call on hold.
Keys for entering numbers, alphabetical letters and symbols (e.g., colons)
Activates the speaker, allowing a hands-free conversation.
Allows talking and listening. IT managers can disable it if required.
Activates a call using an external headset.
Mutes a call.
Increases or decreases the volume of the handset, headset, speaker, ring tone and call progress tones.
Cancel an action, such as dialing a number, after beginning it.