Polycom realpresence 1800 Administrator's Manual page 1087

iii Browse to the saved Certificate on the Workstation and click the Yes button to install the
certificate.
For more information see:
Appendix H - Integration Into Microsoft

 The Polycom Unified Communications Deployment Guide for Cisco Environments.
3 Register the Collaboration Server with the Lync Server.
a In the IP Network Services Properties dialog box, click the SIP Servers tab.
b In the SIP Server field, select Specify.
c In the SIP Server Type field, select Microsoft.
d Set Refresh Registration to every 3600 seconds.
e If not selected by default, change the Transport Type to TLS.
f In the SIP Servers table, enter the IP address of the Lync Server in both the Server IP Address
or Name and Server Domain Name fields.
g In the SIP Servers table, the Port field must be set to 5061.
h In the Outbound Proxy Servers table, enter the IP address in the Server IP Address or Name
field. (The same value as entered in Step f.)
Polycom®, Inc.
Appendix I - Polycom Open Collaboration Network (POCN)
Environments.
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