In some complex situation, more time conditions is required. It is limited to 20 for time condition in yeastar s-series appliance. This article will guide you how to add more time conditions and it's associated destination by custom asterisk configurations. Keep in mind it doesn't make it possible to add more time conditions in web interface, instead it fixed other time conditions and corresponding destinations in the background.
- Yeastar S-Series IPPBX
Refer to below dialplan from your pbx accordingly, you can add more 'GotoIfTime' line to the dialplan, parameter format details in function GotoIfTime() is explained in this wiki https://www.voip-info.org/asterisk-cmd-gotoiftime/.
GotoIfTime(<time range>,<days of week>,<days of month>,<months>?context,exten,priority)