TANDBERG MCU, Technical Description

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Technical Description of TANDBERG MCU with software version D3
D12925 Rev. 03 37
4.6.6 Layer 4 ports used by the system
The following TCP and UDP ports are relevant for the TANDBERG MCU system.
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* ⇔
Telnet
11
57 TCP ⇔
HTTP 80 TCP* ⇔
HTTPS 443 TCP ⇔
NTP 123 UDP* ⇐
(incoming to MCU)
SNMP (Queries) 161 UDP* ⇔
SNMP (Traps) 962 UDP ⇒
(outgoing from MCU)
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.
Incoming H.323 call:
First uses call uses 5555 for H.245, second 5556 etc. Disconnecting a site in a meeting will not
free up available 55XX ports until the whole conference is down.
(*) Listening sockets
11
Default port for MD5 challenge authentication mechanism, configurable