Linksys BUSINESS SPA932 用户手册
Linksys SPA9x2 Phone Administration Guide
Cisco Confidential--First Draft
139
SIP Tab
SPA9x2 Phone Field Reference
NAT Support Parameters
Parameter
Description
Handle VIA received
If you select yes, the SPA9x2 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.
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.
Handle VIA rport
If you select yes, the SPA9x2 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.
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.
Insert VIA received
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.
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.
Insert VIA rport
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.
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.
Substitute VIA Addr
Lets you use NAT-mapped IP:port values in the VIA
header. Select yes or no from the drop-down menu.
header. Select yes or no from the drop-down menu.
Defaults to no.
Send Resp To Src Port
Sends responses to the request source port instead of
the VIA sent-by port. Select yes or no from the drop-
down menu.
the VIA sent-by port. Select yes or no from the drop-
down menu.
Defaults to no.
STUN Enable
Enables the use of STUN to discover NAT mapping.
Select yes or no from the drop-down menu.
Select yes or no from the drop-down menu.
Defaults to no.