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From menu:
Step 1.Press
Menu
button, and then choose 5
black list
.
Step 2.Choose
NewEntry
, and then add one black list according to the prompt.
From Webpage:
Step 1.Log in the web, open
Phone/Phonebook
webpage,
Black List
column.
Step 2.Refer to the
7.6.4.1 Black List
to add blacklist.
5.5 Muting a Call
During an active call, pressing the
MUTE/DEL
button to mute the handset, headset or speakerphone.
This function prevents the person on the active call from hearing what you or someone else in the room is saying; the light behind the button will
illuminate on (green).
To cancel the Mute function, please press the
MUTE/DEL
button again and the light behind the button will illuminate off.
5.6 Placing a Call on Hold
When IP622 is during one active call:
Step 1.Pressing the
hold
button to put the active call on hold, then you will hear a dial tone, the remote party will hear the hold music
Step 2.User can input the phone number to make call
Step 3.Pressing the
hold
button again to release the previously Hold state and resume the bi-directional media.
5.7 Three Way Conference Calls
Step 1.To initiate a conference call, press the
HOLD
button during an active call and the first call is placed on hold, and you will hear a dial
tone.
Step 2.Dial the second person’s telephone number.