1. Go to Settings → PBX → Call Control → Inbound Routes, click in the inbound routes list page.
2. In the inbound routes edit page, you should select the trunk to the selected box and choose the destination to direct the call. The time condition can be set up in order to direct the call according to time periods. The example is shown as follows. For more details, please refer to S-Series VoIP PBX Administrator Guide.