Vcs port reference – TANDBERG D14049.04 User Manual
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D14049.04
JULY 2008
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TANDBERG
VIDEO COMMUNICATIONS SERVER
ADMINISTRATOR GUIDE
VCS Port Reference
VCS Ports
Service/Function
Description
Default
Available Range
Configurable via
SIP TCP outbound port
range
The range of ports to be used by outbound TCP/
TLS SIP connections to a remote SIP device
25000 - 29999
TCP/TLS
1024 - 65533
VCS Configuration > Protocols > SIP > Configuration
xConfiguration SIP TCP Outbound Port Start
xConfiguration SIP TCP Outbound Port End
Traversal media port range For traversal calls (i.e. where the VCS is taking
the media as well as the signaling), the range
of ports to be used for the media. Ports are
allocated from this range in pairs, the first of
each being even. Therefore the range must
start with an even number. See
for more information.
50000 - 51199
UDP
1024 - 65533
VCS Configuration > Local Zone > Traversal Subzone
xConfiguration Traversal Media Port Start
xConfiguration Traversal Media Port End
STUN Relay media port
range
The range of ports to be used for STUN media
relay.
60000 - 61200
UDP
1024 - 65534
VCS Configuration > Expressway > STUN
LDAP
used for outbound connection to an LDAP server
(if the VCS is configured to use an LDAP server
for H.350 authentication)
a random TCP source port is used
TMS
used for outbound connection to TMS
a random source port in the range 32768 - 65535 is used
User Policy Server
used for outbound connection to a User Policy
Server
a random source port in the range 32768 - 65535 is used