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 "SIP_DNSSRV_ENA" is set
to "Y".
Value Range Max. 32 characters
Default Value _sip._tcp.
Web User Interface Reference SRV lookup Prefix for TCP (Page 127)
SIP_100REL_ENABLE
Value Format Boolean
Description Specifies whether to add the option tag 100rel to the "Supported"
header of the INVITE message. For details, refer to RFC 3262.
Value Range
• Y/Yes (Enable 100rel function)
• N/No (Disable 100rel function)
Note
• If set to "Y", the Reliability of Provisional Responses function
will be enabled. The option tag 100rel will be added to the
"Supported" header of the INVITE message and to the
"Require" header of the "1xx" provisional message.
• If set to "N", the option tag 100rel will not be used.
Default Value
N
Web User Interface Reference Supports 100rel (RFC 3262) (Page 130)
SIP_INVITE_EXPIRE
Value Format Integer
Description Specifies the retransmission interval, in seconds, for "18x" responses.
Value Range 0, 60 - 65535
Default Value 0 (Disable)
SIP_PRSNC_ADDR
Value Format String
Description Specifies the IP address or FQDN of the SIP presence server.
Value Range 0 - 127
Default Value Empty string
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5.9.3 Per Line - SIP Settings