Cisco 7800 Series Administration Manual page 176

Cisco IP Phone Web Page
Parameter
NAT Keep Alive Msg
SIP Settings
Parameter
SIP Transport
SIP UDP Port
SIP 100REL Enable
EXT SIP Port
Auth Resync-Reboot
SIP Remote-Party-ID
SIP P-Asserted-Identity
Cisco IP Phone 7800 Series for Third-Party Call Control Administration Guide
162
Description
Enter the keep alive message that should be sent periodically to maintain
the current NAT mapping. If the value is $NOTIFY, a NOTIFY message
is sent. If the value is $REGISTER, a REGISTER message without
contact is sent.
Default: $NOTIFY
Description
Select from UDP, TCP, or TLS.
Default: UDP
Port number of the SIP message listening and transmission port.
Default: 5060
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 Remote-Party-ID header to use instead of the From header. Select
Yes to enable.
Default: Yes
Enables the use of the P-Asserted-Identity header field in SIP header
which is inserted by a User Agent Client (UAC) in the same Trusted
Domain as the first proxy.