Nat Settings; Network Settings - Linksys SPA922 Administrator's Manual

NAT Settings

Parameter
NAT Mapping Enable
NAT Keep Alive Enable
NAT Keep Alive Msg
NAT Keep Alive Dest

Network Settings

Parameter
SIP TOS/DiffServ Value
SIP CoS Value
RTP TOS/DiffServ Value
RTP CoS Value
Linksys SPA9x2 Phone Administration Guide
SPA9x2 Phone Field Reference
Description
To use externally mapped IP addresses and SIP/RTP ports
in SIP messages, select yes. Otherwise, select no.
Defaults to no.
To send the configured NAT keep alive message
periodically, select yes. Otherwise, select no.
Defaults to 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.
Defaults to $NOTIFY.
Destination that should receive NAT keep alive messages. If the
value is $PROXY, the messages are sent to the current or
outbound proxy.
Defaults to $PROXY.
Description
TOS/DiffServ field value in UDP IP packets carrying a SIP
message.
Defaults to 0x68.
CoS value for SIP messages.
Defaults to 3.
ToS/DiffServ field value in UDP IP packets carrying RTP
data.
Defaults to 0xb8.
CoS value for RTP data.
Defaults to 6.
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