Cisco SPA301 Administration Manual page 261

Cisco SPA IP Phone Field Reference
SIP Tab
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide
Parameter
ReINVITE Expires
Reg Min Expires
Reg Max Expires
Reg Retry Intvl (See note
below)
Reg Retry Long Intvl (See
note below)
Reg Retry Random Delay
Description
ReINVITE request Expires header value. If you
enter 0, the Expires header is not included in the
request. Ranges from 0 to
19999999999999999999999999999999.
Defaults to 30
Minimum registration expiration time allowed
from the proxy in the Expires header or as a
Contact header parameter. If the proxy returns a
value less than this setting, the minimum value is
used.
Defaults to 1 second.
Maximum registration expiration time allowed
from the proxy in the Min-Expires header. If the
value is larger than this setting, the maximum
value is used.
Defaults to 7200.
Interval to wait before the SPA9000 retries
registration after failing during the last
registration.
Defaults to 30.
When registration fails with a SIP response code
that does not match<Retry Reg RSC>, the
SPA9000 waits for the specified length of time
before retrying. If this interval is 0, the SPA9000
stops trying. This value should be much larger
than the Reg Retry Intvl value, which should not be
0.
Defaults to 1200.
Random delay range (in seconds) to add to
<Register Retry Intvl> when retrying REGISTER
after a failure. This feature was added in Release
5. 1 .
Defaults to blank, which disables this feature.
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