SIP advanced configuration 185Configuration GuideTimers configuration parametersThe following section describes the parameters for the configuration of the SIP timers located atConfiguration, SIP, SIP Protocol, Timers tab.Variable definitionsThe following table describes the variables and values for configuring timer settings.Variable ValueSession TimersRange Validations Select the range validation status.Select Enable to enable session timer.Select Disable to disable session timer.The default value is Enable.Default Type the default session timer value (in milliseconds).The value ranges from 90 to 4294967295.The default value is 1800 ms.Minimum Type the minimum session timer value (in milliseconds).The value ranges from 90 to 4294967295.The default value is 90 ms.Maximum Type the maximum session timer value (in milliseconds).The value ranges from 90 to 4294967295.The default value is 3600 ms.Protocol TimersTimer T1 Type the timer T1 value (in milliseconds). This is used for localretransmission.The value ranges from 1 to 2147483647.The default value is 500 ms.Timer T2 Type the timer T2 value (in milliseconds). This is used for localretransmission.The value ranges from 1 to 2147483647.The default value is 4000 ms.Timer B Type the timer B value (in milliseconds).The value ranges from 1 to 2147483647.The default value is 32000 ms.Timer C Type the timer C value (in milliseconds).The value ranges from 180000 to 2147483647.The default value is 180000 ms.Timer D Type the timer D value (in milliseconds).The value ranges from 32000 to 2147483647.The default value is 32000 for UDP.Timer F Type the timer F value (in milliseconds).The value ranges from 1 to 2147483647.The default value is 32000 ms.
