Cisco Systems SPA9000 manual Proxy and Registration section

SPA9000 Field Reference

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Proxy and Registration section

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

SPA9000 Voice System Administration Guide 257