DescriptionParameter
The phone's port number for SIP message listening
and transmission.
Specify the port number here only when you are using
UDP as the SIP transport protocol.
If you are using TCP, the system uses a random port
within the range specified in SIP TCP Port Min and
SIP TCP Port Max on the Voice > SIP tab.
If you need to specify a port of SIP proxy server, you
can specify it using the Proxy field (Proxy and
Registration, on page 283) or the XSI Host Server
field (XSI Line Service, on page 287).
Default: 5060
SIP Port
Support of 100REL SIP extension for reliable
transmission of provisional responses (18x) and use
of PRACK requests. Select Yes to enable.
Default: No
SIP 100REL Enable
The external SIP port number.EXT SIP Port
The Cisco IP Phone authenticates the sender when it
receives a NOTIFY message with the following
requests:
• resync
• reboot
• report
• restart
• XML-service
Select Yes to enable.
Default: Yes
Auth Resync-Reboot
The SIP proxy can support a specific extension or
behavior when it sees this header from the user agent.
If this field is configured and the proxy does not
support it, it responds with the message, unsupported.
Enter the appropriate header in the field provided.
SIP Proxy-Require
The Remote-Party-ID header to use instead of the
From header. Select Yes to enable.
Default: Yes
SIP Remote-Party-ID
Cisco IP Phone 6800 Series Multiplatform Phones Administration Guide
278
Phone Troubleshooting
SIP Settings
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