Polycom 1500/1800/2000/4000 manual Ssh Tcp, Ntp, Udp, Tcp

IP Network Services

Server Network Port Usage Summary

Connection	Port
Type	Number	Protocol	Description	Configurable
SSH	22	TCP	Secured shell. It is the Collaboration	No
			Server terminal.
			SSH is not supported when the
			Collaboration Server is in Ultra
			Secure Mode. For more information
			see Ultra Secure Mode.
NTP	123	UDP	Network Time Protocol. Enables	No
			access to a time server on the
			network.
H.323 GK RAS	1719	UDP	Gatekeeper RAS messages traffic.	No
H.323 Q.931	1720 -	TCP	H.323 Q.931 call signaling.	Yes - for outgoing calls
	incoming;		Each outgoing call has a separate	only.
	49152-599		port.	It is configured in the
	99 -		The port for each outgoing call is	Fixed Ports section of the
	outgoing		allocated dynamically.	IP service.
H.323 H.245	49152 -	TCP	H.245 control.	Yes - for outgoing calls
	59999		Each outgoing call has a separate	only.
			port.	It is configured in the
			The port for each outgoing call is	Fixed Ports section of the
			allocated dynamically. It can be	IP service.
			avoided by tunneling.
SIP server	5060	UDP, TCP	Connection to the SIP Server.	Yes - in the IP service.
	60000		Sometimes port 60000 is used
			when the system cannot reuse the
			TCP port. This port can be set in the
			Central signaling (CS) configuration
			file.
Alternative SIP	5060	UDP, TCP	Connection to the alternate SIP	Yes - in the IP service.
server	60000		Server.
			Sometimes port 60000 is used
			when the system cannot reuse the
			TCP port. This port can be set in the
			Central signaling (CS) configuration
			file.
SIP Outbound	5060	UDP, TCP	Connection to the SIP outbound	Yes - in the IP service.
proxy	60000		proxy.
			Sometimes port 60000 is used
			when the system cannot reuse the

TCP port. This port can be set in the Central signaling (CS) configuration file.

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