Value Range
Default Value
Configuration File Reference
Supports Session Timer (RFC 4028)
Description
Value Range
Default Value
Configuration File Reference
4.5.1.14 NAT Identity
Keep Alive Interval
Description
Value Range
Default Value
Configuration File Reference
Supports Rport (RFC 3581)
Description
Value Range
Default Value
Document Version 2014-05
•
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.
No
SIP_100REL_ENABLE (Page 307)
Specifies the length of time, in seconds, that the unit waits before
terminating SIP sessions when no reply to repeated requests is
received. For details, refer to RFC 4028.
0, 60–65535 (0: Disable)
0
SIP_SESSION_TIME (Page 304)
Specifies the interval, in seconds, between transmissions of the Keep
Alive packet to the unit in order to maintain the NAT binding information.
Note
•
This setting is available only when [Transport Protocol] is set
to [UDP].
0, 10–300 (0: Disable)
0
PORT_PUNCH_INTVL (Page 308)
Selects whether to add the 'rport' parameter to the top Via header field
value of requests generated. For details, refer to RFC 3581.
•
Yes
•
No
No
4.5.1 SIP Settings [Line 1]–[Line n]
Administrator Guide
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