User's Manual

53
IP address
key.
Intercom
In Intercom mode, if the caller’s IP
phone supports Intercom feature, the
device can automatically answer the
Intercom calls
Multicast
Multicast function is to deliver voice streams to configured multicast address; all equipment
monitored the multicast address can receive and play the broadcasting. Using multicast
functionality would make deliver voice one to multiple which are in the multicast group simply
and conveniently.
The DSS Key multicast web configuration for calling party is as follow:
Figure 38 -
Multicast Settings
Table 24 -
Multicast Settings
Type
Number
Subtype
Usage
Multica
st
Set the host IP address and
port number, they must be
separated by a colon (The IP
address range is 224.0.0.0 to
239.255.255.255, and the
port number is preferably set
between 1024 and 65535)
G.711A
Narrowband speech coding (4Khz)
G.711U
G.722
Wideband speech coding (7Khz)
G.723.1
Narrowband speech coding (4Khz)
G.726-32
G.729AB
Advanced Settings