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Configuring the Voice Settings
DECT Line 1 - DECT Line 10
Cisco SPA232D Administration Guide 156
4
NAT Settings
Network Settings
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
SIP ToS/DiffServ
Value
TOS/DiffServ field value in UDP IP packets carrying a SIP
message.
Default setting: 0x68
SIP CoS Value CoS value for SIP messages. Valid values are 0 through 7.
Default setting: 3
RTP ToS/DiffServ
Value
ToS/DiffServ field value in UDP IP packets carrying RTP
data.
Default setting: 0xb8
RTP CoS Value [0-
7]
CoS value for RTP data. Valid values are 0 through 7.
Default setting: 6