Cisco Systems v1.0 manual TCP and UDP Port Numbers, Http

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
		Remote		CallManager			Remote
					CallManager		Device		Remote
	Protocol	Source		Destination						Notes
					Source Port		Destination		Devices
		Port		Port
							Port
									CallManagers
	DTC				TCP 135				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
										Dynamic Ports
	TFTP			UDP 69						used after
										initial connect
									Administrator /	CCMAdmin
	HTTP			TCP 80					User Web	and CCMUser
									browsers	pages
159 - 165 IP Telephony v1.0 TCP and UDP Port Numbers									Copyright ♥ 2005, Cisco Systems, Inc.