Linksys SPA932, SPA962, SPA942 manual NAT Support Parameters, SPA9x2 Phone Field Reference, SIP Tab

SPA9x2 Phone Field Reference

SIP Tab

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.
	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.
	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.
	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.
	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.
	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.
	Defaults to no.
STUN Enable	Enables the use of STUN to discover NAT mapping.
	Select yes or no from the drop-down menu.
	Defaults to no.

Linksys SPA9x2 Phone Administration Guide 139