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Linksys SPA9000 Administrator Guide
Document Version 3.01
Chapter 6 SPA9000 Field Reference
Line 1/2/3/4 Tab
NAT Settings
Field Description
Dial Plan Dial plan script for this line.
The default is (<9:>xx.)
The dial plan syntax is expanded in the SPA3102 to allow the designation of three
parameters to be used with a specific gateway:
• uid – the authentication user-id
• pwd – the authentication password
• nat – if this parameter is present, use NAT mapping
Each parameter is separated by a semi-colon (;).
Furthermore, it recognizes gw0, gw1, …, gw4 as the locally configured gateways, where
gw0 represents the local PSTN gateway in the same SPA3102 unit.
Example 1:
*1xxxxxxxxxx<:@fwdnat.pulver.com:5082;uid=jsmith;pwd=xyz
Example 2:
*1xxxxxxxxxx<:@fwd.pulver.com;nat;uid=jsmith;pwd=xyz
Example 3:
[39]11<:@gw0>
Field Description
NAT Mapping Enable To use externally mapped IP addresses and SIP/RTP ports in SIP messages, select yes.
Otherwise, select no.
The default is no.
NAT Keep Alive Enable To send the configured NAT keep alive message periodically, select yes. Otherwise, select
no.
The default is no.
NAT Keep Alive Msg
Enter the keep alive message that should be sent periodically to maintain the current
NAT mapping. If the value is $NOTIFY, a NOTIFY message is sent. If the value is
$REGISTER, a REGISTER message without contact is sent.
The default is $NOTIFY.
NAT Keep Alive Dest
Destination that should receive NAT keep alive messages. If the value is $PROXY,
the messages are sent to the current or outbound proxy.
The default is $PROXY.