2

We are making extensive use of Google Sheets' HYPERLINK formula combined with mailto links to create links in cells that will dynamically generate emails. For example:

=HYPERLINK(
    "mailto:[email protected]" &
        "[email protected]" &
        "&subject=Test email" &
        "&body=This is a test email.",
    "Send email"
)

That will create linked text that, when clicked, will create an email in your default email client. Naturally we can easily make that dynamic by replacing the hard-coded values with cell references:

=HYPERLINK(
    "mailto:" & $C2 &
        "?cc=" & $D2 &
        "&subject=" & $E2 &
        "&body=" & $F2,
    "Send email"
)

We were hoping to do the same thing with sms links, but none of the following result in a clickable link:

=HYPERLINK("sms:", "Send SMS")
=HYPERLINK("sms:19875550198", "Send SMS")
=HYPERLINK("sms:+19875550198", "Send SMS")
=HYPERLINK("sms://19875550198", "Send SMS")
=HYPERLINK("sms://+19875550198", "Send SMS")

So it seems that the HYPERLINK formula doesn't recognize sms links the way it recognizes mailto links.

Is there a way to do this in Google Sheets?

2 Answers 2

4

From the documentation for HYPERLINK: "Only certain link types are allowed. http://, https://, mailto:, aim:, ftp://, gopher://, telnet://, and news:// are permitted; others are explicitly forbidden (my emphasis)."

As you can see, sms is not listed so one might reasonably assume that it is explicitly forbidden

Why aim: is included, I don't know, since AIM was discontinued in 2017.

A quick Google will yield any number of Add-ons and/or vendor services that will enable sms, but that is outside the scope of webapps.

3

Tedinoz's answer points out which link types are allowed within HYPERLINK, which made me realize that I can use a permitted https:// link to a simple HTML page with some JavaScript that forwards to an sms link.

Here's the code of the HTML page:

<!doctype html>

<html>
    <head>
        <title>HTTPS to SMS</title>
    </head>
    <body>
        <script>
            // Based on https://stackoverflow.com/a/901144/1652620
            const urlSearchParams = new URLSearchParams(window.location.search);
            const params = Object.fromEntries(urlSearchParams.entries());

            function getParameterByName(name, url = window.location.href) {
                name = name.replace(/[\[\]]/g, '\\$&');
                var regex = new RegExp('[?&]' + name + '(=([^&#]*)|&|#|$)'),
                    results = regex.exec(url);
                if (!results) return null;
                if (!results[2]) return '';
                return decodeURIComponent(results[2].replace(/\+/g, ' '));
            }

            var tel = getParameterByName('tel');
            var body = getParameterByName('body');

            // Based on https://stackoverflow.com/a/4745622/1652620
            if (tel != "" && tel != null) {
                window.location = "sms://+" + tel + ";?&body=" + body;
            }
        </script>
    </body>
</html>

So say you save that as sms.html and upload it to https://www.someurl.com/sms.html. You then just add a query string with values for tel and optionally body, which can be generated as needed in Google Sheets.

The final formula in Google Sheets would then look something like this:

=HYPERLINK("https://www.someurl.com/sms.html?tel=19875550198&body=This%20is%20a%20test%20message.", "Send SMS")

Or, with cell references:

=HYPERLINK("https://www.someurl.com/sms.html?tel=" & A2 & "&body=" & B2, "Send SMS")

where A2 contains the phone number and B2 contains the URL-encoded body text.

It's not quite the elegant in-app solution I was hoping for, but it gets the job done, if indirectly.

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