Description Specifies the default interval, in milliseconds, between transmissions
of SIP messages. For details, refer to RFC 3261.
Value Range
• 250
• 500
• 1000
• 2000
• 4000
Default Value 500
Web User Interface Reference T1 Timer
SIP_TIMER_T2_n
For details about parameter names end with "_n", see 5.2.1 Configuration File Parameters
Value Format INTEGER
Description Specifies the maximum interval, in seconds, between transmissions
of SIP messages. For details, refer to RFC 3261.
Value Range
• 2
• 4
• 8
• 16
• 32
Default Value 4
Web User Interface Reference T2 Timer
SIP_TIMER_T4_n
For details about parameter names end with "_n", see 5.2.1 Configuration File Parameters
Value Format INTEGER
Description Specifies the maximum period, in seconds, that a message can
remain on the network.
Value Range
• 0
• 1
• 2
• 3
• 4
• 5
Default Value 5
SIP_TIMER_B_n
For details about parameter names end with "_n", see 5.2.1 Configuration File Parameters
Value Format INTEGER
5.3.22 SIP Settings
Document Version: 2017-07 Administrator Guide 275