Cisco 8800 Series Administration Manual page 338

SIP Settings
Parameter
SIP 100REL Enable
EXT SIP Port
Auth Resync-Reboot
SIP Proxy-Require
SIP Remote-Party-ID
Referor Bye Delay
Refer-To Target Contact
Referee Bye Delay
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
322
Cisco IP Phone Troubleshooting
Description
Support of 100REL SIP extension for reliable
transmission of provisional responses (18x) and use
of PRACK requests. Select Yes to enable.
Default: No
The external SIP port number.
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
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.
The Remote-Party-ID header to use instead of the
From header. Select Yes to enable.
Default: Yes
Controls when the phone sends BYE to terminate stale
call legs upon completion of call transfers. Multiple
delay settings (Referor, Refer Target, Referee, and
Refer-To Target) are configured on this screen. For
the Referror Bye Delay, enter the appropriate period
of time in seconds.
Default: 4
Indicates the refer-to target. Select Yes to send the
SIP Refer to the contact.
Default: No
For the Referee Bye Delay, enter the appropriate
period of time in seconds.
Default: 0