Administrator’s Guide for Polycom HDX Systems
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To specify SIP Settings:
1. Go to System > Admin Settings > Network > IP > SIP Settings.
2. Configure these settings on the SIP Settings screen:
Setting Description
Transport
Protocol
Indicates the protocol the system uses for SIP signaling.
The SIP network infrastructure in which your Polycom HDX
system is operating determines which protocol is required. For
example, if your Polycom HDX system is operating in a
Microsoft® Live Communication Server (LCS) SIP network,
choose TCP. If your Polycom HDX system is operating in a
Nortel Multimedia Communication Server (MCS) SIP network,
choose UDP.
User Name Specifies the system’s SIP name. If you leave this field blank, the
system’s IP address is the SIP user name.
Password Specifies the password that authenticates the system to the
Registrar Server.
Registrar
Server
Specifies the DNS name or IP address of the SIP Registrar
Server.
By default, the SIP signaling is sent to port 5060 on the registrar
server. To specify a different port, add it to the address as shown
here:
10.11.12.13:5070
Proxy Server Specifies the DNS name or IP address of the SIP Proxy Server. If
you leave this field blank, no proxy server is used.
By default, the SIP signaling is sent to port 5060 on the proxy
server. To specify a different port, add it to the address as shown
here:
10.11.12.13:5070
Points to note about SIP:
The SIP protocol has been widely adapted for voice over IP communications and
basic video conferencing; however, many of the advanced video conferencing
capabilities are not yet standardized. Many capabilities also depend on the SIP
server.
Examples of features that are not supported using SIP are:
• Polycom Video and Audio Error Concealment
• Encryption
• People and Content (H.239 and Polycom People+Content)
• H.263 Pro-Motion
• For more information about SIP compatibility issues, refer to the Release Notes
for Polycom HDX Systems.
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