Linksys SPA 900 Series Administration Manual page 117

SIP Tab
Field
Reg Retry Random Delay
Reg Retry Long Random Delay
Reg Retry Intvl Cap
Sub Min Expires
Sub Max Expires
Sub Retry Intvl
Linksys IP Phone Administrator Guide
5-12
Description
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.
The maximum value to cap the exponential back-off retry delay (which starts at <Register
Retry Intvl> and doubles on every REGISTER retry after a failure). In other words, the
retry interval is always at <Register Retry Intvl> seconds after a failure. If this feature is
enabled, <Reg Retry Random Delay> is added on top of the exponential back-off adjusted
delay value. This feature was added in Release 5.1.
Defaults to blank, which disables the exponential back-off feature.
This value sets the lower limit of the REGISTER expires value returned from the Proxy
server.
This value sets the upper limit of the REGISTER min-expires value returned from the
Proxy server in the Min-Expires header. Defaults to 7200.
This value (in seconds) determines the retry interval when the last Subscribe request fails.
Defaults to 10.
Chapter 5 Linksys IP Phone Field Reference
Firmware Version 5.1