ABK AXT8921A, Руководство пользователя

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or IP
address of
the called
party
account to be hung up by pressing the
speed dial key again.
Intercom
Using the intercom mode. When
the SIP phone at the opposite end
supports the intercom function,
the call can be automatically
answered.

Multicast Button Settings
The multicast function is that the initiator sends voice information to the set multicast
address, and all devices that monitor the multicast address can receive the voice information
of the initiator. The multicast function can be used to easily and conveniently send
announcements to every member in the multicast.
Set the calling settings of multicast through DSS Key, as shown below:
DSS Button
Type
Number Subtype Use
Multicast
Set the host’s IP address and
port number, separated by a
colon (The IP address ranges
from
224.0.0.0 to
239.255.255.255, and the
port number is best 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
b) Voice