Hosters, here is an easier way to provision your customer's Windows Phones for Hosted Exchange and Communicator Mobile
The link below provides sample code and a white paper describing how to make provisining Windows Phone much easier in your Hosted Exchange environment. By integrating this code into your current provisioning platform all your users will need to know is the password for their email account and they can be provisioned and working in just a few easy steps. This makes it remarkably simple for the end user to start using their phone and will cut down call volume to your help desk for new customers! Check it out below: