Nat Support Parameters - Cisco SPA301 Administration Manual

Cisco SPA IP Phone Field Reference
SIP Tab
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide

NAT Support Parameters

Parameter
Handle VIA received
Handle VIA rport
Insert VIA received
Insert VIA rport
Substitute VIA Addr
Description
If you select yes, the phone processes the
received parameter in the VIA header (this is
inserted by the server in a response to any of its
requests). If you select no, the parameter is
ignored. Select yes or no from the drop-down
menu.
Defaults to no.
If you select yes, the SPA9000 processes the
rport parameter in the VIA header (this is inserted
by the server in a response to any of its requests).
If you select no, the parameter is ignored. Select
yes or no from the drop-down menu.
Defaults to no.
Inserts the received parameter into the VIA
header of SIP responses if the received-from IP
and VIA sent-by IP values differ. Select yes or no
from the drop-down menu.
Defaults to no.
Inserts the rport parameter into the VIA header of
SIP responses if the received-from IP and VIA
sent-by IP values differ. Select yes or no from the
drop-down menu.
Defaults to no.
Lets you use NAT-mapped IP:port values in the
VIA header. Select yes or no from the drop-down
menu.
Defaults to no.
A
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