Cisco Small Business SPA509G Administration Manual page 119

Configuring SIP, SPCP, and NAT
Configuring SIP
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide
Parameter
SIP Port
SIP 100REL Enable
EXT SIP Port
Auth Resync-Reboot
SIP Proxy-Require
SIP Remote-Party-ID
Referror Bye Delay
Description
Port number of the SIP message listening and transmission
port.
Defaults to 5060.
To enable the support of 100REL SIP extension for reliable
transmission of provisional responses (18x) and use of PRACK
requests, select yes. Otherwise, select no.
Defaults to no.
The external SIP port number.
If this feature is enabled, the Cisco IP phone authenticates the
sender when it receives a NOTIFY message with the following
requests:
• resync
• reboot
• report
• restart
• XML-service
To use this feature, select yes. Otherwise, select no.
Defaults to 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.
To use the Remote-Party-ID header instead of the From header,
select yes. Otherwise, select no.
Defaults to yes.
Controls when the Cisco IP phone sends BYE to terminate stale
call legs upon completion of call transfers. Multiple delay
settings (Referror, 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.
Defaults to 4.
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