You could try System Preferences / Keyboard / Text.
Click + below to add a new text shortcut. Choose something short and easy to remember. Then define the longer, full version.
perhaps you could somehow trigger the shorter version with Siri (one that's easy to remember), and that would trigger the longer, full version.
You might be able to set this up using ...
I found I was able to do this, using the following steps.
Create a new calendar in Google Calendar (TempCal) that is set to email reminder notifications.
Link Google Account to iOS, to allow iOS Calendar app can access and edit TempCal.
Create a new shortcut, with these steps:
Adjust date - Add [time] to current event.
Add Calendar Event - Add [event name] ...
I needed to do 2 things,
Click the 3 dots on the top right and enable "Show in Share Sheet"
Also the alert causes it to timeout, no problem. It was just a test.
I found this in the Apple support documentation which defines communication triggers for messages and emails right now. There are no communication triggers for calls. So I believe we have no option but to wait and check if Apple plans to add triggers for calls.
I was able to figure out how to do so by setting my timer audio to “Stop Playing” and setting a 15 minute timer in the shortcut. Still hoping there’s a way without that method so that I can use my timers normally: