Cisco SPA IP Phone Field Reference
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Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 339
A
Use Outbound Proxy Enables an outbound proxy (for example,
172.20.2.1:5060—port is optional) or a domain name
such as sip.server.com as long as this name is a fully-
qualified domain name. If set to no, the Outbound
Proxy and Use OB Proxy in Dialog fields are ignored.
Defaults to no.
Optionally, the proxy can be configured (Cisco SPA500
Series only) for Survivable Remote Site Telephony
(SRST) support. The proxy is configured with an
extension that includes a statically-configured DNS
SRV record or DNS A record. Configuring the proxy
allows for failover and fallback functionality with a
secondary proxy server. For example:
For SRV Record:
sip.server.com:SRV=node1.sip.server.com
:5060:p=1:w=50|node2.sip.server.com:506
0:p=2:w=50
Set Use DNS SRV to no and DNS SRV Auto Prefix to
no.
For A Record:
sip.server.com:A=172.20.2.1,172.20.2.2
Set Use DNS SRV to no and DNS SRV Auto Prefix to
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.
Defaults to yes.
Regist
er
Enable p
eriodic r
e
gistration with the <Pr
ox
y>. This
parameter is ignor
e
d if <Pro
x
y> is not spe
cified.
Defaults to yes.
Parameter Description
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