On the Advanced part, you can configure FXO parameters which includes trunk transport type, SIP trunk SRTP, OPTIONS and so on.

Parameter DBID_SIP_TRUNK_TRANSPORT
Description It configures the SIP protocol of SIP Trunk.
Permitted Values udp-UDP
tcp-TCP
tls-TLS
Default udp
Web UI FXO > SIP Trunk > Advanced > Trunk Transport
Parameter DBID_SIP_TRUNK_SRTP_ENABLE
Description Enable = RTP encrypt
Disable = RTP unencrypt
Permitted Values 0-Disable
1-Enable
Default 0
Web UI FXO > SIP Trunk > Advanced > SIP Trunk SRTP
Parameter DBID_SIP_TRUNK_OPTIONS_ENABLE
Description If it is enabled, the gateway will send an options message to check whether the gateway and the SIP server are properly connected.
Permitted Values no-Disable
yes-Enable
Default no
Web UI FXO > SIP Trunk > Advanced > OPTIONS Enable
Parameter DBID_SIP_TRUNK_OPTIONS_INTERVAL
Description It configures the interval of the gateway send an options message.
Permitted Values Integer
Default 60
Web UI FXO > SIP Trunk > Advanced > OPTIONS Interval
Parameter RPID From SIP Trunk
Description SIP header data Remote-Party-ID setting.
Permitted Values yes-Sip Trunk Number
no-No Sip Trunk Number
0-Disable
Default 0
Web UI FXO > SIP Trunk > Advanced > RPID From SIP Trunk
Parameter DBID_SIP_TRUNK_EXTERNADDR_CONVERT_ENABLE
Description
Permitted Values 1-Yes
0-No
Default 1
Web UI FXO > SIP Trunk > Advanced > Trunk Extern IP Enable
Parameter DBID_SIP_TRUNK_AUTO_ANSWER
Description If it is enabled, the trunk number is used to dial.
Permitted Values 0-Disable
1-Enable
Default 1
Web UI FXO > SIP Trunk > Advanced > Auto Answer SIP-Trunk Call
Parameter DBID_SIP_TRUNK_SECOND_DIAL_POUND_KEY_END
Description During the two-stage dial-up, enter a number and press # to dial quickly.
Permitted Values 0-Disable
1-Enable
Default 1
Web UI FXO > SIP Trunk > Advanced > Siptrunk Auto Answer # Enable
Parameter DBID_GET_TRUNK_CALLED_NUMBER_MODE
Description When an incoming call comes in, the gateway can obtain the called number from either the Request header or the TO header.
Permitted Values 0-Disable
1-Get From Request
2-Get From To
Default 1
Web UI FXO > SIP Trunk > Advanced > Get Called Number Mode
Author：admin  Create time：2023-11-30 14:24
Last editor：admin  Update time：2024-01-03 16:20