
Direct Registration of Polycom Telepresence Systems with the Cisco Unified Communications Manager
Polycom, Inc. 45
Table 3-3 SIP Settings fields and their
descriptions.
4 Click Update.
Settings Description
Enable SIP Mark this check box to enable the HDX system to
receive and make SIP calls.
Registrar Server Specify the IP address of the Cisco Unified
Communications Manager.
If you leave this field blank, the Proxy Server is used.
Proxy Server Specify the IP address of the SIP Proxy Server. If you
leave this field blank, the Registrar Server is used. If you
leave both fields blank, no Proxy Server is used.
By default for TCP, the SIP signaling is sent to port 5060
on the proxy server.
The syntax used for this field is the same as for the SIP
Registrar Server field.
Transport Protocol The SIP network infrastructure in which your Polycom
HDX system is operating determines which protocol is
required.
For Cisco environments, select either Auto or TCP.
Domain Name For Cisco envirionments, leave this field blank.
User Name Specify the system’s SIP name. This is the SIP URI.
Set this to the directory number you assigned to the HDX
system.
Password When enabled, allows you to specify and confirm a new
password that authenticates the system to the SIP
Registrar Server.
If using Digest Authentication, mark the Password check
box and set the password to the Digest Credentials
password you set for the Cisco Unified Communications
user you created for this HDX system.
Directory:
Microsoft Lync
Server
Specifies whether the SIP Registrar Server is a Lync
Server.
For Cisco environments, leave this check box unmarked.
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