title: How do I deep link to a Microsoft Teams call from a web page
body: <p>Trying to start a call with a user on teams from a web page. All I have is their email.</p>
  <p>I was trying to copy the example here: <a href="https://docs.microsoft.com/en-us/microsoftteams/platform/concepts/build-and-test/deep-links#generate-a-deep-link-to-a-call" rel="nofollow noreferrer">https://docs.microsoft.com/en-us/microsoftteams/platform/concepts/build-and-test/deep-links#generate-a-deep-link-to-a-call</a></p>
  <p>They say to use this format to start a call:  <a href="https://teams.microsoft.com/l/call/0/0?users=EMAIL_HERE" rel="nofollow noreferrer">https://teams.microsoft.com/l/call/0/0?users=EMAIL_HERE</a></p>
  <p>It starts a call with joe@contoso fine but when I try and use any other email it fails with this message:</p>
  <p><a href="https://i.stack.imgur.com/iCqAV.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/iCqAV.png" alt="my link" /></a></p>
  <p>Any help would be appreciated.</p>