Cisco Systems v1.0 manual Ntp

		Remote		CallManager			Remote
						CallManager	Device	Remote
	Protocol	Source		Destination						Notes
						Source Port	Destination	Devices
		Port		Port
							Port
	OSI (DAP,			TCP or UDP				DCD Directory
	DSP, DISP)		120
	NTP			UDP 123
										Windows
	WINS			UDP 137-139				WINS Server		Internet Name
										Service
	SNMP			UDP 161
	SNMP Trap						UDP 162
										When
	LDAP			TCP 389			TCP 389	Directory		integrated with
								Services		Corporate
										Directory
	HTTPS /			TCP 443
	SSL
								CallManagers
	SMB			TCP 445			TCP 445	in the same
								cluster
	Syslog			TCP 514			UDP 514	Syslog service
				TCP 1099-				RMI Service.
	RMI							Attendant
			1129
								Console
								CallManagers
	MS SQL			TCP 1433			TCP 1433	in the same
								cluster
										CallManager
	H.323 RAS						UDP 1719	Gatekeeper		prior to 3.3.
										Cisco
								RAS
										Conference
										Connection
	H.323 RAS					UDP 1024-	UDP 1719	Gatekeeper		CallManager
					4999			RAS	3.3
								H.323
								Gateways /
								Anonymous
								Device Cisco
	H.323 H.225			TCP 1720			TCP 1720	Conference
								Connection /
								Non-
								Gatekeeper
								Controlled
								H.323 Trunk
	H.323			TCP 1024-				CallManager
								Gatekeeper		CallManager
	H.225/ICT		4999					Controlled	3.3
								H.323 Trunks
								CallManager
				TCP 1024-		TCP 1024-		H.323
	H.323 H.245							Gateways /
			4999		4999			Anonymous
								Device / H.323
								Trunks
160 - 165 IP Telephony v1.0 TCP and UDP Port Numbers								Copyright ♥ 2005, Cisco Systems, Inc.