Hello Garuda users.
I have a T-Mobile app installed on my tablet that allows me to make and receive calls on an iPad (has WiFi only) by hooking into my Galaxy S21 Ultra 5G phone. I can't find any app that will create an interface between my phone and my Linux laptop. Any solutions?
Welcome 
Hi,
I edit your text, please use
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We do not support apple or old smartphones 
Did you ask in telekom thread or apple thread?
Garuda Linux is where installed?
Thats not apple or samsung, true?
Try KDE Connect, it works well and has a lot of features. I don't think you can take a call on the computer, but you can at least get a notification or see who is calling.
https://kdeconnect.kde.org
The laptop is MSI (micro-star mobo), the tablet is an Apple iPad and the phone is a very recent top end Samsung phone.
Hm, my top end Samsung phone is a Galaxy S23 Ultra 5G. 
Addendum: my question involves the Laptop and the Samsung phone only.
No idea if useful, a quick search turned up https://nohands.sourceforge.net/ (found here).
Apparently, only the server component is in AUR (and chaotic-aur).
Project MAXS may be useful too (for other phone features, not calls though).