Default Value
INVITE
Configuration File Reference
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
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
Enable c=0.0.0.0 Hold (RFC 2543)
Description
Selects whether to enable the RFC 2543 Call Hold feature on this
line.
Value Range
•
Yes
•
No
Note
•
If you select
[Yes]
, the "c=0.0.0.0" syntax will be set in SDP
when sending a re-INVITE message to hold the call. If you
select
[No]
, the "c=x.x.x.x" syntax will be set in SDP.
Default Value
Yes
Configuration File Reference
Transport Protocol
Description
Selects which transport layer protocol to use for sending SIP packets.
4.5.2 SIP Settings [Line 1]–[Line n]
122
Administrator Guide
Document Version: 2017-07