AudioCodes 420HD - Rear View

User's Manual 2. Setting up the Phone
Version 2.0.13 13 420HD IP Phone for Microsoft Skype for Business
Item # Label/Name Description
8
REDIAL
Accesses a list of recently dialed numbers; one can be selected to redial.
9
TRANSFER
Transfers a call.
10
HOLD
Places an active call on hold.
11
Alphanumerical
Keypad
Keys for entering numbers, alphabetical letters and symbols (e.g., colons)
12
SPEAKER
Activates the speaker, allowing a hands-free conversation.
13
Microphone
Allows talking and listening. IT managers can disable it if required.
14
HEADSET
Activates a call using an external headset.
15
MUTE
Mutes a call.
16
▲VOL
Increases or decreases the volume of the handset, headset, speaker, ring
tone and call progress tones.
▼VOL
17 x
Cancel an action, such as dialing a number, after beginning it.
2.2.2 Rear View
The rear view of the phone is shown in the figure below and described in the table below.
Figure 2-2: Rear View
Table 2-2: Rear View Description
# Label Description
Handset jack, i.e., RJ-9 port, to connect the handset.
RJ-45 port to connect to the Ethernet LAN cable for the LAN connection
(uplink – 10/100 Mbps). If you're using Power over Ethernet (PoE), power
to the phone is supplied from the Ethernet cable (draws power from either
a spare line or signal line).
RJ-45 port for connecting the phone to a PC (10/100 Mbps downlink).
12V DC power jack that connects to the AC power adapter.
Headset jack, i.e., RJ-9 port that connects to an external headset.
2
4
3
1
1
2
3
4
5
5