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Value Range
• Yes
• No
Note
• If you select [Yes], the unit will perform a DNS SRV lookup for
a SIP registrar server, SIP proxy server, SIP outbound proxy
server, or SIP presence server. If you select [No], the unit will
not perform a DNS SRV lookup for a SIP registrar server, SIP
proxy server, SIP outbound proxy server, or SIP presence
server.
Default Value No
Configuration File Reference SIP_DNSSRV_ENA_[1–8] (Page 186)
SRV lookup Prefix for UDP
Description Specifies a prefix to add to the domain name when performing a DNS
SRV lookup using UDP.
Note
• This setting is available only when [Enable DNS SRV
lookup] is set to [Yes].
Value Range Max. 32 characters
Default Value _sip._udp.
Configuration File Reference SIP_UDP_SRV_PREFIX_[1–8] (Page 187)
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 187)
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.
Document Version 2010.03.15 Administrator Guide 87
3.6.2 SIP Settings [Line 1]–[Line 8]