Installation guide
Table 2-2 Bidirectional Ports to Open on the SCOPIA XT Series
Port Range Protocol Destination Functionality Result of Blocking
Port
Required
69 TFTP (UDP) TFTP client or
server
Enables sending and
receiving files via TFTP
Cannot send or
receive files via
TFTP
Optional
80 HTTP (TCP) Web server Enables you to remotely
perform management
tasks via the web user
interface, enables NAT
auto-discovery via HTTP
In: Cannot access
the web server
Out: Cannot access
the web server and
NAT auto-discovery
via HTTP does not
function
Recommended
123 SNTP (UDP) SNTP client Gets the Internet UTC
time
Cannot get the
Internet UTC time
Recommended
161 SNMP (UDP) SCOPIA
Management or
any other SNMP
manager station
Enables you to configure
the endpoint and check
the endpoint status
Cannot configure or
check the status of
the endpoint via
SNMP
Mandatory if using
SNMP manager
station
1719 H.225.0/
RAS (UDP)
Any H.323 video
network device
Enables H.323 call
signaling to a gatekeeper;
H.323 endpoints can use
gatekeeper services.
H.323 endpoints
cannot use
gatekeeper services
Recommended
1720 H.225.0/
Q.931 (TCP)
Any H.323 video
network device
Enables H.323 call
signaling (Q.931)
Cannot connect
H.323 calls
Mandatory
3230-3248 H.225.0/Q.9
31/ H.245/
SIP (TCP)
Any H.323 video
network device
Enables H.323 call control
signaling (Q.931), media
control signaling (H.245),
SIP (TCP) call signaling,
and BFCP signaling.
Ephemeral TCP ports are
used to connect
simultaneous H.323 and
SIP calls.
Cannot connect
SIP/H.323 calls
Mandatory
To configure, see
“Configuring the
TCP or UDP Port
Range on the
SCOPIA XT Series”
on page 18
3230-3305 RTP and
RTCP (UDP)
Any H.323 video
network device
Enables H.323 and SIP
media (audio, video,
H.224/data RTP) and
media control (RTCP).
Ephemeral UDP ports are
used to connect
simultaneous H.323 and
SIP media calls.
No media
exchanged in H.323
or SIP calls
Mandatory
To configure, see
“Configuring the
TCP or UDP Port
Range on the
SCOPIA XT Series”
on page 18
RADVISION | Installation Guide for SCOPIA XT5000 Series Version 3.1 Planning the Topology of the SCOPIA XT Series Deployment | 16