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Technical Description of TANDBERG Gateway with software version G2
D13192 Rev. 02 30
4.6.6 Layer 4 ports used by the system
The following TCP and UDP ports are relevant for the TANDBERG Gateway.
Function Port Type Direction
Gatekeeper RAS 1719 UDP
⇔
Gatekeeper Discovery 224.0.1.41:1718 UDP
⇔
Q.931 Call Setup 1720 TCP*
⇔
H.245/Q.931 Range 5555—5587 TCP
⇔
Video Range 2326—2837 UDP
⇔
Audio Range 2326—2837 UDP
⇔
Data/FECC Range 2326—2837 UDP
⇔
FTP (control) 21 TCP*
⇔
Telnet 23 TCP*
⇔
HTTP 80 TCP*
⇔
HTTPS 443 TCP
⇔
NTP 123 UDP*
⇐ (incoming to
TANDBERG Gateway)
SNMP (Queries) 161 UDP*
⇔
SNMP (Traps) 962 UDP
⇒ (outgoing from
TANDBERG Gateway)
Netlog 963 TCP
⇔
FTP (data) 1026 TCP
⇔
Outgoing H.323 call:
First call uses 5555 for outgoing Q.931 and 5556 for H.245, next uses 5557 for Q.931 and 5558
for H.245, etc.
Please see the TANDBERG and IP document (D12434) for more details.
Incoming H.323 call:
All incoming calls use 1720 for Q.931 messaging. First call uses 5555 for H.245, second 5556
etc.
Please see the TANDBERG and IP document (D12434) for more details.
(*) Listening sockets