Grandstream Networks GXV3380 Administration Manual page 59

Enable transfer via non-
Transfer Programmable
Key
Enable Function for
Incoming Call
Enable Conference
Auto Conference
Auto Mute on Entry
Programmable Key with the type speed dial, BLF and speed dial via active
account will perform as transfer programmable keys under active call. The
transfer mode during the call depends on the "Default Transfer Mode"
mentioned above. MPK can also be selected as forward/transfer
destination on the ringing screen when [Enable Function for Incoming
Call] is set to "Call Transfer".
Enables the preview feature for the incoming video calls. Defines the
function for the incoming video call.

If it is set to "Preview", the phone system will pop up the PREVIEW
key on the LCD screen when there is an incoming video call, and
users could tap on it to check video caller without answering the
incoming video call (the call will keep playing ringback on the caller
side).
Note: By pressing the preview button, the phone will send the SIP 183
message to the caller's camera, based on SIP RFC3261; the caller's
camera should start sending the stream to the phone upon receiving
the SIP 183.
At any time, the GXV3380 user can press the "Answer" button. If
done, then the phone will send the SIP 200OK and call will be fully
established.

If set to "Call Transfer", the phone system will pop up the
"TRANSFER" key on the LCD screen when there is an incoming call,
and users could tap on it to show up the dialer without answering the
incoming call, then, users could transfer this incoming call to others.
The default setting is "None".
Enables the conference. When set to "No", the phone will block the
conference application. The default setting is "Yes".
Allows the phone system to invite all call parties into a conference by
pressing the Conf key. If it is disabled, the end user has to add each call
party to conference manually. The default setting is "No".
Configures whether to mute the call on entry automatically.

If set to "Disable", then do not use auto mute function.

If set to "Auto Mute on Outgoing Call", then mute automatically
when the other party answers the outgoing call.

If set to "Auto Mute on Incoming Call", then mute automatically
when answers the incoming call; If set to "Mute on Incoming &
Outgoing Call", then mute automatically when the call gets through.
Note: This function only take effect when the phone is from the idle status
to call status. Users could click the Mute button on call interface to cancel
the current mute status.
GXV3380 Administration Guide
Version 1.0.1.19
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