Enable Session Timer (RFC 4028)
Description Specifies the length of time, in seconds, that the unit waits before
terminating SIP sessions when no reply to repeated requests is
received.
Value Range 0, 60–65535
Default Value 0
Configuration File Reference SIP_SESSION_TIME_n (Page 210)
Session Timer Method
Description Selects the refreshing method of SIP sessions.
Value Range
• INVITE
• UPDATE
• INVITE/UPDATE
Default Value INVITE
Configuration File Reference SIP_SESSION_METHOD_n (Page 210)
Enable 100rel (RFC 3262)
Description Specifies whether to add the option tag 100rel to the "Supported"
header of the INVITE message.
Value Range
• Yes
• No
Note
• If you select [Yes], 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 you select
[No], the option tag 100rel will not be used.
Default Value Yes
Configuration File Reference SIP_100REL_ENABLE_n (Page 212)
Enable SSAF (SIP Source Address Filter)
Description Selects whether to enable SSAF for the SIP servers (registrar server,
proxy server, and presence server).
Value Range
• Yes
• No
Default Value No
Configuration File Reference SIP_DETECT_SSAF_n (Page 216)
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