Linksys SPA9000 Administration Guide

Linksys Voice System Administration Guide 200
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Proxy and Registration section
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: $PROXY
EXT SIP Port Enter the port number of the external port to substitute for the actual
SIP port of the SPA9000 in all outgoing SIP messages.
Default: blank
Proxy SIP proxy server for all outbound requests.
Default: blank
Outbound Proxy SIP Outbound Proxy Server where all outbound requests are sent as the
first hop.
Use Outbound Proxy Enable the use of <Outbound Proxy>. If set to no, <Outbound Proxy>
and <Use OB Proxy in Dialog) is ignored.
Default: no
Use OB Proxy In Dialog Whether to force SIP requests to be sent to the outbound proxy within a
dialog. Ignored if <Use Outbound Proxy> is no or <Outbound Proxy> is
empty.
Default: yes
Register Enable periodic registration with the <Proxy>. This parameter is ignored
if <Proxy> is not specified.
Default: yes
Make Call Without Reg Allow making outbound calls without successful (dynamic) registration
by the unit. If No, dial tone will not play unless registration is successful.
Default: no
Register Expires Allow answering inbound calls without successful (dynamic)
registration by the unit. If proxy responded to REGISTER with a smaller
Expires value, the SPA9000 will renew registration based on this smaller
value instead of the configured value. If registration failed with an
Expires too brief error response, the SPA9000 will retry with the value
given in the Min-Expires header in the error response.
Default: 3600
Recommended: 60
Ans Call Without Reg Expires value in sec in a REGISTER request. SPA9000 will periodically
renew registration shortly before the current registration expired. This
parameter is ignored if <Register> is no. Values are yes or no.
Use DNS SRV Whether to use DNS SRV lookup for Proxy and Outbound Proxy.
Default: no
DNS SRV Auto Prefix If enabled, the SPA9000 will automatically prepend the Proxy or
Outbound Proxy name with _sip._udp when performing a DNS SRV
lookup on that name.
Default: no

Linksys SPA9000 Specifications

Physical Interfaces

Ethernet ports	2 10/100BaseT RJ-45
Phone ports	2 RJ-11 FXS
Ring voltage	40-55 VRMS
Ring frequency	10 Hz - 40 Hz
Maximum ringer load	3 REN

Power

On-hook voltage	-50 V NOMINAL
Off-hook current	25 mA min
Terminating impedance	Configurable, including 600 ohms