Destination Port Source Port Use UDP or TCP?
500 or 4500 500, 2070, or
4500
Transmitted IKE or IPsec
messages, if NVIKEOVERTCP
is 0 or 1
TCP
514 Any unused port
number
Transmitted Syslog messages UDP
547 Any unused port
number
Transmitted DHCPv6
messages
UDP
1300 Any H.323 signaling over TLS TCP
18414 Any unused port
number
Transmitted SSO status
indications
TCP
33434 - 33523, starts with 33434,
increments by 1 for each message
sent, 3 messages per hop, up to
30 hops
Any unused port
number
Transmitted traceroute
messages
UDP
1719 Any unused port
number in the
range from 49300
to 49309
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
A port number specified in the SLA
test request message
SLMPORT Transmitted SLA test results
messages
UDP
A port number specified in the SLA
test request message
50012 Transmitted SLA RTP test
packets
UDP
33434 – 33523,starts with 33434,
increments by 1 for each message
sent, 3 messages for each hop, up
to 30 hops
50013 Transmitted SLA traceroute
messages
UDP
As specified by CM, or as
specified in a CNA RTP test
request
As specified by
CM or as
reserved for CNA
RTP tests
Transmitted RTP and SRTP
packets
UDP
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
Table continues…
Network requirements
March 2018 Administering Avaya 9608/9608G/9611G/9621G/9641G/9641GS IP Deskphones H.
323 34
Comments on this document? infodev@avaya.com
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