Cisco TelePresence Video Communication Server Administrator's Manual page 273

Service/ Description
function
Traversal For traversal calls
media port (where the VCS takes
range 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,
with the first port
number of each pair
being an even number.
See About the
Traversal Subzone
more information.
TURN relay The range of ports
media port available for TURN
range media relay.
LDAP Used for outbound
connection to an LDAP
server (if the VCS is
configured to use an
LDAP server for H.350
authentication).
External Used for outbound
manager connection to an
external manager, for
example TMS.
Third-party Used for outbound
FindMe / User connection to a third-
Policy server party FindMe / User
Policy server.
Remote Used to send
logging messages to the
remote syslog server.
TMS Agent Used to connect to
another VCS or TMS
for data replication.
Cisco VCS Administrator Guide (X6.1)
Default Direction Available
50000 - outbound
52399
UDP
for
60000 - inbound
61200 outbound
UDP
uses a TCP source port from the
ephemeral range
uses a TCP source port from the
ephemeral range
uses a TCP source port from the
ephemeral range
uses a TCP source port from the
ephemeral range
uses a TCP source port from the
ephemeral range
Reference material
Configurable via
range
1024 - 65533 VCS configuration >
Local Zone >
Traversal Subzone
xConfiguration
Traversal Media
Port Start
xConfiguration
Traversal Media
Port End
1024 - 65534 VCS configuration >
Expressway > TURN
xConfiguration
Traversal Server
TURN Media Port
Start
xConfiguration
Traversal Server
TURN Media Port
End
Page 273 of 401