AudioCodes 420HD - Barge-In

400HD Series IP Phones
Administrator's Manual 194 Document #: LTRT-11950
Parameter Description
Paging Multicast
Address
The IP address via which multicast messages traverse. When an IP Phone
user announces or receives a multicast message, the message traverses
this IP address. You should assign a different IP address for each group.
This enables the multicasting of paged messages to different groups
simultaneously.
Paging Multicast Port The port via which multicast messages traverse. When an IP Phone user
announces or receives a multicast message, the message traverses this
port. This port number does not need to be unique for each Paging Group.
27.1.1 Barge-in
Whenever the user is in an active call, they can optionally determine whether they wish to
automatically listen to live paged messages or be prompted whenever there is an incoming
message.
Note: The Barge In feature is only relevant for cases where the IP Phone user receiving
the message is currently in an active call. If this user is not in an active call, then the
message is played immiediately regardless how this parameter is configured.
This parameter is set as follows:

Barge-in feature is enabled: The multicast voice message is played immediately. For
example, when there is an active call between party A and party B, and then there is an
incoming multicast message from party C, the call between A and B is automatically
placed on hold and the message is played to either party A or B or both. Once the
message is played, the user can resume the call.

Barge-in feature is disabled: The message is played immediately if you are not in an
active call. However, if you are in an active call, when you receive the message, you are
prompted whether you wish to listen to the message. For example, when there is an
active call between party A and party B, and then there is an incoming multicast
message from party C, then if A or B accepts the message, the call is placed on hold
and the message is played. Once the message is played, then A or B can resume the
call. If on the other hand, A or B rejects the incoming message, then the message is not
played and the call is not placed on hold.
Note: The above example assumes that party A or party B has enabled this feature and
is configured with the same Paging Group that is multicasting the message.
 To enable Barge-in using the Web interface:
1. Access the Services page section (Configuration menu > Voice Over IP > Services).
2. In the Paging pane, from the 'Enabled' parameter drop-down, select Enable; the
'Barge-in' parameter is displayed.
3. In the Paging pane, from the 'Barge-in' parameter drop-down, select Enable. Use the
screen below as a reference.