Firewall ports to open for Cisco TelePresence SX series

1144

For IP based H.323 calling between SX series: The following ports are applicable for conference between SX series Cisco TelePresence only.

H.323 Firewall PortsDescription
TCP 1720For H.323, H.225 call setup (Bi-directional)
UDP 2326 to 2485For RTP Audio (Bi-directional)
For RTP Video (Bi-directional)
For RTCP Control information (Bi-directional)
UDP 1718For Gatekeeper discovery (Bi-directional), only if you have Gatekeeper otherwise no need to open this port.
UDP 1719For Gatekeeper RAS (Bi-directional), only if you have Gatekeeper otherwise no need to open this port
UDP 5555 to 5574For H.245 dynamic (Bi-directional). Refer below picture, if you have set as Dynamic for Port allocation in H.323 configuration.
Keep these ports opened even if you set as Static, because the other end party may set as Dynamic.
UDP 11000 to 65535For H.245 dynamic (Bi-directional). Refer below picture, if you have set as Static for Port allocation in H.323 configuration.
Keep these ports opened even if you set as Dynamic, because the other end party may set as Static.

Screenshot from SX series under System Configuration > H323

Cisco Telepresence H323 Ports

 

 

 

 

 

For SIP based calling between SX series:

SIP Firewall PortsDescription
TCP/UDP 5060For SIP messages (Bi-directional)
TCP 5061TLS for SIP messages (Bi-directional)
UDP 2326 to 2485For RTP Audio (Bi-directional)
For RTP Video (Bi-directional)
For RTCP Control information (Bi-directional)
UDP 5555 to 5574For H.245 dynamic (Bi-directional).
UDP 11000 to 65535For H.245 dynamic (Bi-directional).

 

Important note: If the other party uses MXP series TelePresence, then the ports differ, for example RTP media ports for MXP series are UDP 46000-49000 and not 2326-2485. So you need to know about the other party equipment to open the required ports in the firewall.



Related Articles & Comments

Menu Title
%d bloggers like this: