Layer 4 Ports Used By The System - TANDBERG D13192 Technical Description

4.6.6 Layer 4 ports used by the system

The following TCP and UDP ports are relevant for the TANDBERG Gateway.
Function
Gatekeeper RAS
Gatekeeper Discovery
Q.931 Call Setup
H.245/Q.931
Video
Audio
Data/FECC
FTP (control)
Telnet
HTTP
HTTPS
NTP
SNMP (Queries)
SNMP (Traps)
Netlog
FTP (data)
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
D13192 Rev. 02
Technical Description of
Port
1719
224.0.1.41:1718
1720
Range 5555—5587
Range 2326—2837
Range 2326—2837
Range 2326—2837
21
23
80
443
123
161
962
963
1026
TANDBERG Gateway
Type Direction
UDP
UDP
TCP*
TCP
UDP
UDP
UDP
TCP*
TCP*
TCP*
TCP
UDP* ⇐ (incoming to
TANDBERG Gateway)
UDP*
UDP ⇒ (outgoing from
TANDBERG Gateway)
TCP
TCP
with software version G2
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