If you like this mod, check out the Delayed Invitations add-on!

This mod enhances the phone call system by allowing the player to configure extra conditions for phone calls to go through, such as blocking phone calls when a sim is asleep.

Additionally, the player can choose for the game to prioritize lots in the current world when a sim is invited out. This feature is compatible with Sim Spawn Overhaul, if both mods are present.

Once the mod is installed, you can customize its features via a settings menu accessed by shift-clicking on any mailbox with testingcheats enabled: