Try these:
Let Ticket stay “remind me at” when the client answers - Technical assistance - Zammad - Community
Ability to mute/snooze a ticket - Feature requests - Zammad - Community
How to get no follow up on peding till tickets - Technical assistance - Zammad - Community
How to get no follow up on peding till tickets - Technical assistance - Zammad - Community
Here is one with a workaround that I will give a try, but the ical Calendar remains unusable that way:
Ticket State Question - Technical assistance - Zammad - Community
As I see, this seems to be an interesting point not only for us.
But someone should merge them all to be able to vote.
I just wanted to test the idea with a custom date/time field. That actually should work, but there seems to be a bug, that I can’t put any data into the field that remains when it is saved.