SMS Gate

SMS feature allows you to lock your video, giving access only to users who submit their mobile number.
It will also verify that the submitted number is a valid one by sending instantly a verifying code. Viewer will type it in the code and unlock the video.

Sending out these verifying codes will require you to have SMS Credit. To learn more how you can purchase SMS Credits and check current balance read this article here -

If you run out of SMS Credits your existing locks will be turned off for the moment being. You will always be able to turn them back on by purchasing more.

SMS Gate settings are located under Audience Actions here

Turning the toggle on you will open further settings - 

Here you will be able to set your displayed text and determine the time when the video should be locked. 

You can also change the style of your lock in Lock Styles here

After the user has passed the SMS lock, imputed their proper mobile number, you can review that data in the Audience Segments part of the menu.

You will have the option to review the views by devices in this case mobile and a valid phone number which will show you the details: