When you log into mobile extension server manager, and click on the users. Once you are on the user page, click the checkbox on the phone you want to provision. then up at the top of the page click the provision butto. this should take you to the "Mobile Client Provisioning Settings for Desktop Extension xxxx" page. Check the box for mobile client license, then enter the phone number under cell phone number mine looks like 92145555555, under international sms number i have 12145555555, and your vm pilot number goes in the last field. Once your done click save. after that go back into the same screen and click the provision button from there. then you should get the txt message