Source Port
range
Protocol
(Type)
Destinat
ion
Functionality Result of Blocking
Port on Firewall
Require
d
XT Series 1935 RTMP(T
CP)
RTMP
Servers
RTMP streaming/
livecast
XT cannot stream to
RTMP servers.
Mandato
ry to
send
streamin
g
content
to RTMP
Servers
XT Series 443 RTMPS RTMP
Servers
RTMPs streaming/
livecast
XT cannot stream to
RTMPs servers
Mandato
ry to
send
streamin
g
content
to
RTMPs
Servers
Related links
Implementing Port Security for the Avaya Room System XT Series on page 37
Configuring the TCP or UDP Port Range on the Avaya Room
System XT Series
About this task
You can configure the TCP or UDP port range by setting the base port, which is the lower end of
the port range (if, for example, port 3230 is busy).
The Avaya Room System XT Series uses dynamic TCP ports 3230-3250 for the following:
• H.225.0: An H.323 protocol that specifies the messages and procedures used by
gatekeepers to set up calls.
• Q.931: A telephony protocol used for establishing and terminating the connection in H.323
calls.
• H.245: A Control Protocol used for multimedia communication; enables transferring
information about the device capabilities, as well as opening/closing the logical channels that
carry media streams.
• SIP: A signaling protocol used for creating, modifying, or terminating multimedia connections
between two or more participants.
The Avaya Room System XT Series uses dynamic UDP ports 3230-3313 for enabling real-time
H.323 and SIP media, including audio, video, and H.224/data (RTP), and media control (RTCP).
Planning the Topology of the Avaya Room System XT Series Deployment
August 2020 Deployment Guide for Avaya XT Series 50
Comments on this document? infodev@avaya.com
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