SRV lookup Prefix for TCP
Description Specifies a prefix to add to the domain name when performing a DNS
SRV lookup using TCP.
Note
• This setting is available only when [Enable DNS SRV
lookup] is set to [Yes].
Value Range Max. 32 characters
Default Value _sip._tcp.
Configuration File Reference SIP_TCP_SRV_PREFIX_[1–8] (Page 206)
3.6.2.8 Timer Settings
T1 Timer
Description Selects 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
Configuration File Reference SIP_TIMER_T1_[1–8] (Page 203)
T2 Timer
Description Selects 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
Configuration File Reference SIP_TIMER_T2_[1–8] (Page 204)
INVITE Retry Count
Description Selects the number of times that INVITE requests are retransmitted
when no reply is received from the server.
Value Range 1–6
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