Avaya 1000 Manual page 79

Destination Element: IP Phones port numbers
This table was added in Rel 6.0.
Task L4 protocol Destination
(TCP/UDP) Port(s)
ESP (protocol N/A
number 50)
UDP 67
UDP 500
UDP 1024-1026
UDP 5000
UDP 5001
UDP Variable
UDP 4100
UDP 7300
TCP 22
TCP 1024-5000
Avaya Communication Server 1000 Port Utilization – Issue 4.04
Interface Source Source
Element Port(s)
Ethernet VPN
Gateway
Ethernet DHCP
Server
Ethernet VPN
Gateway
Ethernet TFTP
Server
Ethernet TPS
Ethernet XAS server
Ethernet other
clients,
gateways
Ethernet TPS
Ethernet TPS
Ethernet
Ethernet
Avaya – Proprietary.
Use pursuant to the terms of your signed agreement or Avaya policy.
Firewall Possible DSCP
Timeout WAN DSCP Marked?
As per packet Marked
rule as per
packet
rule
DSCP 10 NO
(AF11)
DSCP 40 NO
(CS5)
DSCP 10 NO
(AF11)
DSCP 40 NO
(CS5)
DSCP 10 NO
(AF11)
DSCP 46 (EF) YES
DSCP 40 NO
(CS5)
DSCP 40 NO
(CS5)
DSCP 10 NO
(AF11)
DSCP 10 NO
(AF11)
Description Comments
IPsec, ESP - For VPN
Encapsulating
Security Payload
Replies from
DHCP server
IPsec IKE For VPN
TFTP
UNIStim For i2050, this port
number is
configured in
"Listener IP" in the
phone settings.
Text XAS
RTP, RTCP Specified by TPS
UNIStim Incoming reg to
connect server
UNIStim Incoming reg
messages to node
master
SSH console, Introduced in U3.0
sFTP
Ephemeral ports Typically handled
using TCP
connection
tracking in the
firewalls
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