Cisco Cisco Meeting Server 2000
Cisco Meeting Server Release 2.0+ : H.323 Gateway Deployment Guide
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Table 1: Ports required by H.323 Gateway
Component
Connecting
to
to
Destination
port to open
port to open
Traffic type
Traffic
direction with
respect to
component
direction with
respect to
component
Link
shown in
Figure 5
shown in
Figure 5
Additional
information
information
Call Bridge
H.323
Gateway
Gateway
6061
TCP (SIP)
Outgoing
6
Port configurable
through MMP
through MMP
H.323
Gateway
Gateway
H.323
Gatekeeper
Gatekeeper
1720
TCP (H.225)
Incoming
2
Port not
configurable
configurable
port on
H.323
Gatekeeper
for next hop
H.323
Gatekeeper
for next hop
TCP (H.225)
Outgoing
3
H.323
Gateway
Gateway
H.323
Gatekeeper
Gatekeeper
1024-
65535 (note
1)
65535 (note
1)
TCP (H.245)
Incoming
2
Port not
configurable
configurable
port on
H.323
Gatekeeper
for next hop
H.323
Gatekeeper
for next hop
TCP (H.245)
Outgoing
3
H.323
Gateway
Gateway
H.323
registered
endpoint
registered
endpoint
32768-
65535 (note
2)
65535 (note
2)
UDP media
Incoming and
outgoing
outgoing
1
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The H.323 Gateway provides no firewall traversal functionality.
l
The H.323 call control device that any of your H.323 endpoints are registered to, must
provide firewall traversal functionality, and be configured to forward calls to the H.323
Gateway . See
provide firewall traversal functionality, and be configured to forward calls to the H.323
Gateway . See
for an example using the Cisco VCS.
l
Unregistered H.323 endpoints must use IP dialing to reach the H.323 Gateway . See
.
2 H.323 Gateway Configuration