User's Manual

228 Nortel IP Softphone 2050
Port numbers are specified for IP phones i200x, 11xx, 12xx, and i2050. All
ports in this table are Listen ports and specify the destination IP address
and port number.
Table 34
IP Phone 200x, I20xx, and 11xx port numbers
Task
L4
protocol
(TCP/UDP)
Port number
or range Interface Description Comments
TCP
22
Ethernet SSH SSH connecti
on (introduced
in U3.0)
UDP
67
Ethernet DHCP DHCP Client
port
UDP
1024-1026
Ethernet TFTP TFTP session
UDP
5000
Ethernet UNIStim TPS (For
i2050, this
port number
is configured
in “Listener IP”
in the phone
settings)
UDP
5001
Ethernet UNIStim Text XAS
UDP Variable Ethernet RTP, RTCP Specified by
TPS
Port numbers for outgoing connections from IP phones i200x, 11xx, 12xx,
and i2050.
Task
L4
protocol
(TCP/UDP)
Port number
or range Interface Description Comments
UDP
68
Ethernet Bootp DHCP Server
port
UDP
69
Ethernet TFTP Connection to
TFTP Server
UDP
4100
Ethernet UNIStim Connection to
CS 1000
UDP
5000
Ethernet UNIStim Connection
to text XAS,
IPCM (MCS),
or CICM
UDP
5100
Ethernet UNIStim Connection to
CS 1000
Nortel Communication Server 1000
IP Phones Fundamentals
NN43001-368 02.07
5 February 2009
Copyright © 2003-2009 Nortel Networks
.