Table 7: Bidirectional Ports to Open on the 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
an SNMP
manager station
Enables you to configure
and check the system
status
Cannot configure or
check the status of
the system 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
Mandatory if using
a gatekeeper
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/SIP
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 30
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 30
3338
XML
Commands
(TCP)
Scopia Control,
Scopia XT
Desktop Server
Enables communication
with Scopia Control and
Scopia XT Desktop Server
by sending commands and
receiving responses
Cannot
communicate with
Scopia Control
application or and
Scopia XT Desktop
Server
Optional
Installation Guide for Scopia XT5000 Series Version 3.2
Planning the Topology of the Scopia XT Series Deployment | 28
