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Configuring the Voice Settings
PSTN (LINE Port)
Cisco SPA232D Administration Guide 131
4
NAT Settings
Use Anonymous
with RPID
When set to yes, use “anonymous” in the SIP message
when remote party ID is requested in the SIP message.
Default setting: yes
Use Local Addr in
FROM
The IP address of the local address enclosed in the FROM
of the SIP message.
Default setting: no
Field Description
NAT Mapping
Enable
To use externally mapped IP addresses and SIP/RTP
ports in SIP messages, select yes. Otherwise, select no.
Default setting: no
NAT Keep Alive
Enable
To send the configured NAT keep alive message
periodically, select yes. Otherwise, select no.
Default setting: 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.
Escape sequence of %xx is also accepted. For example,
%0d%0a is unescaped into \r\n (CRLF).
Default setting: $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.
Default setting: $PROXY
Field Description