User's Manual

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Appendix
Port numbers
Port numbers are specified for the IP Phones 2000 Series, IP Phones
1100 Series, IP Phones 1200 Series, and IP Softphone 2050. All ports in
the following table are Listen ports, and specify the destination IP address
and port number.
Table 149
Incoming port numbers
L4 protocol
(TCP/UDP)
Port number or
range
Interface Description
Comments
TCP
22
Ethernet SSH SSH connection
(introduced in UNIStim 3.0)
UDP
68
Ethernet DHCP DHCP client
UDP
1024––1026
Ethernet TFTP TFTP session
UDP
5000
Ethernet UNIStim TPS (For the IP Softphone
2050, 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
The following table shows the port numbers for outgoing connections from
IP Phones 2000 Series, IP Phones 1100 Series, IP Phones 1200 Series,
and IP Softphone 2050.
Table 150
Outgoing port numbers
L4 protocol
(TCP/UDP)
Port number or
range
Interface Description
Comments
UDP
67
Ethernet BOOTP DHCP server port
UDP
69
Ethernet TFTP Connection to TFTP server
UDP
4100
Ethernet UNIStim Connection to CS 1000
Nortel Communication Server 1000
IP Phones Fundamentals
NN43001-368 05.06 30 April 2010
Copyright © 2003-2010 Nortel Networks. All Rights Reserved.
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