I’m trying to link a button to a phone number. It seemed intuitive that Constant Contact would accept the “tel:” protocol when you customize links, however I’m prompted to enter a valid protocol (“http:/“ or “mailto:” when I try to link a phone number—can you confirm that Constant Contact does not permit linking buttons to phone numbers? This was a helpful article explaining that phone numbers are converted to clickable links by most phone-based email clients. However, I would like to use the button as a call to action, rather than simply the phone number, and would appreciate your suggestions on how to make that happen.
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