Destination Port
Source Port
Use
UDP or TCP?
startup, for example, for
backup and restore or push
The number used in the Source
Port field of the SNMP query
packet that the phone receives
161
Transmitted SNMP messages
UDP
The number used in the Source
Port field of packets that are
received by the HTTP server of the
phone
PUSHPORT
Packets that the HTTP server
of the phone transmits
TCP
TLSPORT
Any unused port
number
TLS/SSL packets that the
HTTP client of the phone
transmits during startup
TCP
443 unless explicitly specified
otherwise, for example in a URL
Any unused port
number
TLS/SSL packets that the
HTTP client of the phone
transmits after startup, for
example for backup or restore
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
Table continues…
Network requirements
May 2018
Installing and Administering Avaya J169/J179 IP Phone H.323
67