Allows you to create your own call to action buttons for your pages.
WP Custom Buttons Download Now
(If the link does not work)↓
Originals Link WordPress.org
How to Install WP Custom Buttons Plugin, Manually
unzip archive to wp-content/plugins directory, and activate it in Plugins menu in wp-admin
Then go to settings->WP Custom Buttons and enter the button details according to you and generate the shortcode.
Plugin Not Working?
If any errors or problems with the plug-in then write comments.