Default Value INVITEConfiguration File Reference SIP_SESSION_METHOD_nEnable 100rel (RFC 3262)Description Specifies whether to add the option tag 100rel to the "Supported"header of the INVITE message.Value Range • Yes• NoNote• If you select [Yes], the Reliability of Provisional Responsesfunction will be enabled. The option tag 100rel will be added tothe "Supported" header of the INVITE message and to the"Require" header of the "1xx" provisional message. If youselect [No], the option tag 100rel will not be used.Default Value YesConfiguration File Reference SIP_100REL_ENABLE_nEnable 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• NoDefault Value NoConfiguration File Reference SIP_DETECT_SSAF_nEnable c=0.0.0.0 Hold (RFC 2543)Description Selects whether to enable the RFC 2543 Call Hold feature on thisline.Value Range • Yes• NoNote• If you select [Yes], the "c=0.0.0.0" syntax will be set in SDPwhen sending a re-INVITE message to hold the call. If youselect [No], the "c=x.x.x.x" syntax will be set in SDP.Default Value YesConfiguration File Reference RFC2543_HOLD_ENABLE_nTransport ProtocolDescription 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
