Cisco Systems v1.0 Manual De Usuario
159 - 165 IP Telephony v1.0 TCP and UDP Port Numbers
Copyright
© 2005, Cisco Systems, Inc.
TCP and UDP Port Numbers
This document lists real important TCP/UDP port numbers related to voice QoS.
TCP or UDP
Port Number
Purpose
TCP
2000 to 2002
Skinny (CM Encore)
TCP
11000 to 11999
H.323/H.245 Standard Connect ports
TCP
1720
H.323/H.245 Fast Connect or H.323/H.225 ports
TCP 1719
H.323/H.225
UDP 1719
Gatekeeper
RAS
TCP
8001-8002
ICCP (CM Encore)
UDP
2427
MGCP (CM Encore)
TCP
2428
MGCP (CM Encore)
UDP 5060
SIP
TCP 5060
SIP
UDP
16384 to 32767
RTCP
Protocol
Remote
Source
Port
CallManager
Destination
Port
CallManager
Source Port
Remote
Device
Destination
Port
Remote
Devices
Notes
DTC
TCP
135
CallManagers
in the same
cluster
SSH TCP
22
Secure Shell
Client
Telnet TCP
23
Telnet
Client
DNS
UDP 53
DNS Servers
DHCP
UDP 68
UDP 67
DHCP Server
DHCP
UDP 68
UDP 67
DHCP Client
TFTP UDP
69
Dynamic Ports
used after
initial connect
HTTP TCP
80
Administrator /
User Web
browsers
CCMAdmin
and CCMUser
pages