SetPostbackURLForPhoneNumber

Assign a PostbackURL to a specific DID or short code.

HTTP GET Request
 http://messaging.cdyne.com/Messaging.svc/SetPostbackUrlForPhoneNumber?LicenseKey=f01d89fd-5155-5455-5585-e84ab8de8591&PhoneNumber=15559080983&Country=US&PostBackType=All&URL=http://cdyne.com/postbackpage.aspx 