The 4620/4620SW/4621SW IP Telephone
Table 1: 4620/4620SW/4621SW IP Telephone Button/Feature Descriptions (continued)
Callout | Button/Feature | Button/Feature |
Number | Name | Description |
11Headset With a headset connected, changes audio control from the
handset or Speaker to the headset.
12Mute LED Lights steadily when the handset, headset or Speaker is
Indicator muted.
13 | Mute | Turns off the active Speaker, handset, or headset |
|
| microphone, to prevent the other person from hearing you. |
14Volume Control Adjusts the handset, Speaker, headset, or ringer volume, depending on which item is in use. When you increase or decrease the volume, the top display area shows an icon to indicate the item for which you are adjusting the volume. A visual “volume meter” that shows the volume level follows the icon. This button also controls the volume of the key click sounds. Key clicks sound when you press fixed buttons on the phone such as the dialpad or softkeys.
15Headset Jack Provides a port for connecting a headset on the underside of the phone.
16 | Hold | Red button used to place a call on hold. |
17Transfer Transfers a call to another phone.
18Conference Sets up conference calls with more than one other person.
19 | Drop | Drops the last person added to a Conference call or ends the |
|
| current call, if you are not on a Conference call. |
20 | Redial | Redials the last number dialed from the phone or displays a |
|
| list of the last six numbers dialed for selection. Set using the |
|
| Options button described in Chapter 6: 4620/4620SW/ |
|
| 4621SW IP Telephone Options. |
21Numeric (Dialing) Standard 12 button pad for dialing phone numbers.
Pad
22Feature Key Provides a port (on the underside of the phone) for connecting Expansion Unit the optional EU24/EU24BL (Feature Key Expansion Unit),
Connection Jack which provides additional telephone Feature buttons.
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