Cisco SPA IP Phone Field Reference
Ext Tab
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 327
A
SIP Settings
Parameter Description
SIP Transport Select from UDP, TCP, or TLS.
Defaults to UDP.
SIP Port Port number of the SIP message listening and
transmission port.
Defaults to 5060.
SIP 100REL Enable 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.
EXT SIP Port The external SIP port number.
Auth Resync-
Reboot
If this feature is enabled, the Cisco SPA9000 authenticates
the sender when it receives the NOTIFY resync reboot
(RFC 2617) message. To use this feature, select yes.
Otherwise, select no.
Defaults to yes.
SIP Proxy-Require 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 Remote-Party-
ID
To use the Remote-Party-ID header instead of the From
header, select yes. Otherwise, select no.
Defaults to yes.
Referor Bye Delay Controls when the SPA9000 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 Referor Bye
Delay, enter the appropriate period of time in seconds.
Defaults to 4.
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