็How to make click to call button with "+" or leading ZERO in it

Hello. I have created button with click to call
my phone number country start with “0” or “+66” or else it would not work
When I created button to call, the leading zero was missing from my caller.
So i tried to put +66 (Country code) with concatenate instead.
now when i press call button, the “+” is missing.

both way, i couldnot call out

is there any way to fix this?

you can have a look here : How to Coda Calling and Texting?. Set up calls and send messages directly… | by Christiaan Huizer | Medium

enjoy, Christiaan

Hi @Christiaan_Huizer , thank you very much. I am able to make a click to call from this formula. cheers

great, could you as a next step mention my contribution as solved so others with a comparable question can benefit as well?

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