Samsung VC240 Reference Manual page 11

Table 1-6 ECS incoming port connections
Port Range Protocol
12378 Alternate
(configurable) Gatekeeper
protocol
Table 1-7 ECS outgoing ports connections
Port Range Protocol
23 Telnet (TCP) Control of Sony
53 DNS (TCP)
162 SNMP (UDP)
(configurable)
1719 RAS (UDP)
RADVISION | RADVISION Port Security Reference Guide
Functionality Direction Result of
Synchronizatio Both
n and
negotiation
between
Alternate
Gatekeepers
Functionality
endpoints
Query DNS for domains
per call
SNMP Trap events
Sending LRQ messages to
Neighbor Gatekeepers
Description
Blocking Port
on Firewall
No Alternate Alternate Gatekeeper
Gatekeeper
functionality
Direction Result of Blocking
Port on Firewall
Out No control over
endpoints
Out DNS disabled
Out No traps are sent
Both No RAS
Description
Sony endpoint
DNS server
To iVIEW Network Manager,
or to any other SNMP
manager station
Neighbor Gatekeepers
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