Dial Plan Section; Nat Settings Section - Cisco SPA2102 Administration Manual

ATA Voice Field Reference
Trunk Group page (SPA8000)
Cisco Small Business ATA Administration Guide

Dial Plan section

Field
Dial Plan

NAT Settings section

NAT Mapping
Enable
NAT Keep Alive
Enable
NAT Keep Alive
Msg
NAT Keep Alive
Dest
Description
Dial plan script for this trunk.
NOTE: The trunk SUA will also apply the Trunk Dial Plan on
the number before sending out INVITE to the ITSP. This
Trunk Dial Plan typically is redundant since the trunk should
trust the number sent by the Line SUA. By default the trunk
dial plan allows any non-empty number:
To use externally mapped IP addresses and SIP/RTP ports
in SIP messages, select yes. Otherwise, select no.
The default is no.
To send the configured NAT keep alive message
periodically, select yes. Otherwise, select no.
The default is no.
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.
Destination that should receive NAT keep alive messages.
If the value is $PROXY, the messages are sent to the
current proxy server or outbound proxy server.
The default is $PROXY.
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