Polycom RealPresence 1800 Administration Manual page 412

b The Port field must be set to it's default value: 5060. DMA and CUCM use this port number by
default.
7 In the Outbound Proxy Servers table:
a Enter the IP address in the Server IP Address or Name field (the same value in Step 6a).
b The Port field must be set to it's default value: 5060.
(By default, the Outbound Proxy Server is the same as the SIP Server.)
When configuring the Collaboration Server to statically route SIP calls to DMA or CUCM, it is
important to also configure the Collaboration Server's H.323 Network Service to register with DMA (in
Collaboration Servers 2000/4000/18000) or Resource Manager (in Collaboration Server Virtual
Edition) gatekeeper. For more information see
Network Service to register with DMA/Resource Manager
Procedure 3: Configure Collaboration Server H.323 Network
Service to register with DMA/Resource Manager gatekeeper
1 In the IP Network Services Properties dialog, open the Gatekeeper tab.
2 In the MCU Prefix in Gatekeeper field, enter the prefix the Collaboration Server uses to register
with the gatekeeper.
Polycom, Inc.
Appendix - Polycom Open Collaboration Network (POCN)
Procedure 3: Configure Collaboration Server H.323
gatekeeper.
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