Thanks for reaching out and great question here! A the moment, it is not currently possible to create a button using "tel:" to call someone like you can "mailto:" to email someone. I can see how it would be helpful to be able to do this. This functionality may be possible using a script. Feel free to ask this over in the scripting section of the Community for more help with that if needed.
Jan 29, 202403:33 AM - edited Jan 29, 202403:34 AM
I had problems with this as well for a post on creating click to dial for various sources of contact data. I ended up taking your screenshot as inspiration and inputting "https://call.ctrlq.org/" instead of "tel:". That did it.