Cisco 8851, Administration Manual

Page: 278 / 310

Description Parameter
If enabled, the user does not have to be registered with the proxy to
answer calls.
Default: No
Ans Call Without Reg
Enables DNS SRV lookup for the proxy and outbound proxy. To enable
this feature, select
Yes . Otherwise, select No .
Default: No
Use DNS SRV
Enables the phone to automatically prepend the proxy or outbound
proxy name with _sip._udp when performing a DNS SRV lookup on
that name.
Default: No
DNS SRV Auto Prefix
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 from
a DNS SRV record lookup on the server name. It needs to know the
proxy priority; otherwise, it does not retry.
The range is from 0 to 65535.
Default: 3600 seconds
Proxy Fallback Intvl
Select
Normal
or
Based on SRV Port
. The phone creates an internal
list of proxies returned in the DNS SRV records.
If you select Normal, the list contains proxies ranked by weight and
priority.
If you select Based on SRV Port, the phone uses normal, then inspects
the port number based on the first-listed proxy port.
Default: Normal
Proxy Redundancy Method
Set to
Yes
to enable the Dual registration/Fast Fall back feature. To
enable the feature you must also configure the alternate proxy/alternate
outbound proxy fields in the Proxy and Registration section.
Dual Registration
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
262
Cisco IP Phone Web Page