182
D14049.03
MAY 2008
Grey Headline (continued)
TANDBERG VIDEO COMMUNICATIONS SERVER
ADMINISTRATOR GUIDE
Introduction Getting Started
Overview and
Status
System
Conguration
VCS
Conguration
Zones and
Neighbors
Call
Processing
Bandwidth
Control
Firewall
Traversal
Maintenance Appendices
VCS Port Reference
The VCS uses different ports and protocols for different services and functions, and many of these are congurable.
The table below shows all the ports on the VCS that are used for each of these services and functions. It shows the default port(s)
and protocol used, and if the ports are congurable it shows the available range and how to congure them via the web UI or CLI.
Overview
Service/Function Description Default Available Range Congurable via
SSH for encrypted command line administration 22 TCP not congurable
Telnet used for unencrypted command line
administration
23 TCP not congurable
HTTP used for unencrypted Web administration 80 TCP not congurable
SNMP used for network management 161 UDP not congurable
NTP used for updating the system time (and
important for H.235 security)
123 UDP not congurable
HTTPS used for encrypted Web administration 443 TCP not congurable
Remote Logging used to send message to the remote syslog
server
514 UDP not congurable
Gatekeeper discovery Multicast Gatekeeper discovery 1718 UDP not congurable
H323 Registration and
Alternate communication
used to listen for inbound H.323 UDP
registrations. Also used for inbound and
outbound communication with Alternates, even if
H.323 is disabled
1719 UDP 1024 - 65534
VCS Conguration > Protocols > H.323
xConguration H323 Gatekeeper Registration UDP Port
H.323 call signaling listens for H.323 call signaling 1720 TCP 1024 - 65534
VCS Conguration > Protocols > H.323
xConguration H323 Gatekeeper CallSignaling TCP Port
Traversal Server Media
Demultiplexing RTP
used on the VCS Expressway for demultiplexing
RTP media
2776 UDP 1024 - 65534
VCS Conguration > Expressway > Ports
xConguration Traversal Server Media Demultiplexing RTP Port
Assent call signaling used on the VCS Expressway for Assent signaling 2776 TCP 1024 - 65534
VCS Conguration > Expressway > Ports
xConguration Traversal Server H323 Assent CallSignaling Port
H.460.18 call signaling used on the VCS Expressway for H.460.18
signaling
2777 TCP 1024 - 65534
VCS Conguration > Expressway > Ports
xConguration Traversal Server H323 H46018 CallSignaling Port
VCS Ports
!
Two services or functions cannot share the same port
and protocol; if you attempt to change an existing port or
range and it conicts with another service, you will get a
warning message.