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SPA9000 Field Reference
Voice tab
SPA9000 Voice System Administration Guide 212
B
Voice tab > SIP page
PBX Parameters section
EXT RTP Port Min External port mapping number of the RTP Port Min. number. If
this value is not zero, the RTP port number in all outgoing SIP
messages is substituted for the corresponding port value in
the external RTP port range.
Default: blank
NAT Keep Alive Intvl Interval between NAT-mapping keep alive messages.
Default: 15
Field Description
Proxy Network Interface This setting tells the SPA9000 how the client stations are
connected. Choices: {LAN, WAN}. The SPA9000
communicates with client stations via the selected interface
only.
Default: WAN
NOTE For optimum voice performance, Linksys Engineering
and Quality Assurance recommend that only WAN is used.
Proxy Listen Port Port at which the SPA9000 listens for client messages at the
selected network interface. The proxy also sends SIP
messages from this port.
Default: 6060
Multicast Address IP address (and port number) where the SPA9000 sends
control messages to all the client stations at once. This must
be a multicast address and must contain a port number.
Default: 224.168.168.168:6061
Group Page Address IP address (and port number) where the SPA9000 tells the
client stations to send and receive group page RTP packets.
This must be a multicast address and must contain a port
number.
Default: 224.168.168.168:34567
Max Expires Sets the maximum allowed Registration expires value in
seconds for client stations. Linksys recommends using a
relatively small value, such as 60 or 120.
Default: 60