User's Manual

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For more TCP/UDP port utilization information related to Communication Manager, see UDP

Port Selection on page 20.

Depending on your network, you must know what ports or ranges to use in the phone operation.

Knowing these ports or ranges helps you administer your networking infrastructure.

Note:

Often, the phones use ports defined by IETF or other standards bodies.

Table 4: Received packets (Destination = Avaya B189 Conference IP phone))

Destination port Source port Use UDP or TCP?

22 Any Packets received by the

SSH server of the phone

TCP

The number used in the

Source Port field of DNS

packets sent by the phone

Any Received DNS messages UDP

The number used in the

Source Port field of the

packets sent by the HTTP

client on the phone

Any Packets received by the

HTTP client on the phone

TCP

The number used in the

Source Port field of the

TLS/SSL packets that are

sent by the HTTP client on the

phone

Any TLS/SSL packets that the

HTTP client receives on the

phone

TCP

68 Any Received DHCP messages UDP

161 Any Received SNMP messages UDP

1720 Any H.323 signaling messages TCP

The number used in the

Source Port field of RAS

packets that are sent by the

phone

1719 H.323 RAS messages 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

Any Received RTCP and

SRTCP packets

UDP

Other network considerations

Administering Avaya B189 Conference IP Phone December 2013 33