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D 14049.01
07.2007
56
D 14049.01
07.2007
56
Introduction
Getting
Started
System
Overview
System
Configuration
H.323 & SIP
Configuration
Registration
Control
Zones and
Neighbors
Call
Processing
Firewall
Traversal
Bandwidth
Control
Maintenance
Appendices
Zones and
Neighbors
UDP retry interval
Sets the frequency (in seconds) with which the
client will send a UDP probe to the traversal
server if a keep alive confirmation has not
been received.
UDP retry count
Sets the number of times the client will
attempt to send a UDP probe to the VCS
Border Controller during call setup.
UDP keep alive interval
Sets the interval (in seconds) with which the
client will send a UDP probe to the VCS Border
Controller once a call is established, in order
to keep the firewall’s NAT bindings open.
TCP retry interval
Sets the frequency (in
seconds ) with which the
traversal client will send a
TCP probe to the VCS during
call setup.
TCP retry count
Sets the number of times
the client will attempt to
send a TCP probe to the VCS
Border Controller during call
setup.
TCP keep alive interval
Sets the interval (in seconds)
with which the traversal
client will send a TCP probe
to the VCS once a call is
established, in order to
maintain the firewall’s NAT
bindings.
H.323 protocol
Determines the protocol (Assent or H.460.18)
to be used to traverse the firewall/NAT.
(See Firewall Traversal Protocols for more
information.)
H.460.19 demultiplexing Mode
Determines whether or not the same two
ports can be used for media by two or more
calls.
On: all calls will use the same two ports.
Off: each call will use a separate pair of ports.
SIP port
Specifies the port on the local VCS Border
Controller to be used for SIP calls to and from
the traversal client.
SIP transport
Determines which transport type will be used
for SIP calls to and from the traversal client.
Configuring Traversal Server Zones
SIP mode
Determines whether SIP calls will be allowed
to and from this zone.
H.323 mode
Determines whether H.323 calls will be
allowed to and from the traversal client.
H.323 port
Specifies the port on the local VCS to be
used for H.323 calls to and from the traversal
client.
Authentication
username
If the traversal client
is a VCS, this is
its Authentication
Username. If the
traversal client is a
gatekeeper, this is
its System Name.
There must
be an entry
in the local
VCS’s
Authentication
database for this
username. See
Authentication for
more information.
The default UDP and TCP probe retry
intervals are suitable for most
situations. However, if you experience
problems with NAT bindings timing out, they
may need to be changed.
For full details on how traversal client
zones and traversal server zones work
together to achieve firewall traversal,
see Firewall Traversal.
TANDBERG VIDEO COMMUNICATION SERVER
ADMINISTRATOR GUIDE
Managing Zones, Neighbors and Alternates