Cisco SPA303 Administration Manual page 122
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Also See for SPA303:
- User manual (53 pages) ,
- Setup and troubleshooting manual (11 pages) ,
- Datasheet (7 pages)
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Configuring SIP, SPCP, and NAT
Configuring SIP
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide
Parameter
Make Call Without Reg
Register Expires
Ans Call Without Reg
Use DNS SRV
DNS SRV Auto Prefix
Proxy Fallback Intvl
Description
Enables making outbound calls without successful
(dynamic) registration by the phone. If set to no, the dial
tone plays only when registration is successful.
Defaults to no.
Defines how often the phone renews registration with
the proxy. If the proxy responds to a REGISTER with a
lower expires value, the phone renews registration
based on that lower value instead of the configured
value.
If registration fails with an "Expires too brief" error
response, the phone retries with the value specified in
the Min-Expires header of the error.
Defaults to 60 seconds.
If enabled, the user does not have to be registered with
the proxy to answer calls.
Defaults to no.
Enables DNS SRV lookup for the proxy and outbound
proxy.
Defaults to no.
Enables the phone to automatically prepend the proxy or
outbound proxy name with _sip._udp when performing a
DNS SRV lookup on that name.
Defaults to no.
Sets the delay after which the phone retries from the
highest priority proxy (or outbound proxy) after it has
failed over to a lower priority server.
The phone should have the primary and backup proxy
server list via DNS SRV record lookup on the server
name. It needs to know proxy priority; otherwise, it does
not retry.
Defaults to 3600 seconds.
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