Altigen AltiWare OE/ACC Version 5.0 Administration Manual page 263

Trunk Configuration
Figure 10. Out Call Routing window, Trunk Configuration
If you select Trunk allowed for Outside Calls at Any Time, call
restrictions set in System Configuration, Outcall Routing, and Extension
Configuration still apply to calls made on the trunk.
If you select Outside Calls Allowed According to The Following
Schedules, you can then use the Schedule 1, 2, and 3 options to set up to
three different time periods during which calls are allowed. You can use
Apply to to apply the settings to multiple trunks.
AltiWare OE System Installation & Administration Manual 7-23