Port

Description

1

Line Keys

Used to initiate and configure VPKs.

2

Soft Keys

Context-sensitive buttons; their functions change based on what’s displayed on the screen.

3

Contacts

Opens your saved phonebook or directory.

4

Hold

Places the current call on hold.

5

Message

Access voicemail or messages.

6

Mute

Temporarily disables your microphone during a call. When pressed in idle mode, it activates Do Not Disturb (DND).

7

Transfer

Transfers the active call to another number or extension.

8

Standard Keypad

Traditional dial pad for entering phone numbers or extensions.

9

Volume

Adjusts audio levels for ringer, headset, handset, or speaker.

10

Send

Initiates dialing for typed numbers or redials the last called number.

11

Speaker

Activates hands-free speakerphone mode.

12

Conference

Starts a conference call with multiple participants.

13

Headset

Routes audio to a connected headset.

14

MENU/OK Key

Opens the main menu or confirms selections.

15

Navigation Keys

Used to scroll through menus, settings, and lists.

16

Message Waiting Indicator

LED indicator lights up when you have unread voicemail.

17

PC Port

Ethernet pass-through port to connect a PC using the same network cable.

18

LAN Port

Connects the phone to the office network via Ethernet.

19

Power

Port for connecting a 12V DC power adapter if PoE is not used.

20

Handset Port

Connects the physical handset to the phone.

21

Headset Port

Connects a wired headset for hands-free operation.