Cisco SPA303 Administration Manual page 116

Configuring SIP, SPCP, and NAT
Configuring SIP
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide
Parameter
SIP Transport
SIP Port
SIP 100REL Enable
EXT SIP Port
Auth Resync-Reboot
SIP Proxy-Require
SIP Remote-Party-ID
Description
Select from UDP, TCP, or TLS.
Defaults to UDP.
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.
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