Cisco SPA942 - - IP Phone Administration Manual page 97

Configuring SIP, SPCP, and NAT
Configuring SIP
Cisco SPA and Wireless IP Phone Administration Guide
Parameter Description
Reg Retry Random Random delay added to the Register Retry Intvl value when
Delay retrying REGISTER after a failure.
random delay to be added to the short timer.
Defaults to 0, which disables this feature.
Reg Retry Long Random delay add ed to Register Retry Long Intvl value when
Random Delay retrying REGISTER after a failure.
Minimum and maximum random delay to be added to the long
timer. Random delay range (in seconds) to add to the Register
Retry Long Intvl when retrying REGISTER after a failure.
Defaults to 0, which disables this feature.
NOTE
Reg Retry Intvl Cap Reg_Retry_Intvl_Cap—Maximum value of the exponential delay.
The maximum value to cap the exponential backoff retry delay
(which starts at the Register Retry Intvl and doubles every retry).
Defaults to 0, which disables the exponential backoff feature (that
is, the error retry interval is always at the Register Retry Intvl). If
this feature is enabled, the Reg Retry Random Delay is added on
top of the exponential backoff delay value.
NOTE
Sub Min Expires The lower limit of the REGISTER (subscribe) expires value
returned from the proxy server.
Defaults to 10 seconds.
Sub Max Expires The upper limit of the REGISTER (subscribe) min-expires value
returned from the proxy server in the Min-Expires header.
Defaults to 7200 seconds.
Sub Retry Intvl The retry interval when the last Subscribe request fails.
Defaults to 10 seconds.
Not applicable to WIP310.
Not applicable to WIP310.
Minimum and maximum
5
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