How to Connect Yeastar TA FXS Gateway to 3CX
Figure 11. VoIP Provider
3) Enter External Number and Authentication ID (You can enter any number as long
as it is not the same with extension numbers of 3CX, take 9999 as an example here).
And click “Next”.
Note: "Maximum simultaneous calls " is four in the free version of 3CX. You can also
enter the number accordingly if you have bought license from 3CX.
Figure 12. Configure SIP Trunk
4) Configure the default destination of inbound route to IVR for the SIP trunk and click
“Next”.
Note: If you want to change the inbound route, you can double click the trunk you
want on the "Ports/Trunk Status" page after the SIP Trunk has been created.
Figure 13. Set Office Hours
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