Cisco SPA303 Administration Manual page 247

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
Reg Retry Long 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 IP phone 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 IP phone waits
for the specified length of time before retrying. If this
interval is 0, the IP phone 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.
Random delay range (in seconds) to add to <Register
Retry Long Intvl> when retrying REGSITER after a
failure. This feature was added in Release 5. 1 .
Defaults to blank, which disables this feature.
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