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 Yes
Configuration File Reference SIP_DNSSRV_ENA (Page 344)
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 (Page 344)
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 (Page 344)
4.5.1.10 Transport Protocol for SIP
Transport Protocol
Description Selects which transport layer protocol to use for sending SIP packets.
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