User's Manual

Destination Port Source Port Use UDP or
TCP?
1719 Transmitted H.323 RAS
messages
UDP
2048 – 3029 Transmitted RTP, RTCP,
SRTP, and SRTCP
messages
UDP
The port number received in
the Transport Address field in
the RCF message
1720 H.323 signaling messages TCP
System-specific system-
specific
Transmitted signaling
protocol packets
TCP
The next higher port number if
the port used for RTP is even,
or the next lower port number
if the port used for RTP is odd
The next
higher port
number if the
port used for
RTP is even, or
the next lower
port number if
the port used
for RTP is odd
RTCP and SRTCP
packets transmitted to the
far end of the audio
connection
UDP
RTCPMONPORT The next
higher port
number if the
port used for
RTP is even, or
the next lower
port number if
the port used
for RTP is odd
RTCP packets transmitted
to an RTCP monitor
UDP
1719 An unused port
number in the
range from
49300 to
49309
H.323 RAS messages UDP
System-specific System
-specific
Transmitted signaling
protocol packets
UDP
Determined by SNMP mgmt
app
Any unused
port number
Transmitted SNMP
messages
UDP
Determined by the SSH client
or the O/S of the client
Any unused
port number
Transmitted SSH
messages
TCP
Other network considerations
Administering Avaya B189 Conference IP Phone December 2013 35