We will add examples for ASP in future. You can use MS SOAP Toolkit SDK to build application for DIDWW API in ASP. Please refer to following links.
MS SOAP Toolkit 3.0
http://www.microsoft.com/downloads/details.aspx?FamilyId=C943C0DD-CEEC-4088-9753-86F052EC8450&displaylang=en
Example of using ASP to Web Service
http://www.4guysfromrolla.com/webtech/070302-1.shtml
MS SOAP Toolkit 3.0
http://www.microsoft.com/downloads/details.aspx?FamilyId=C943C0DD-CEEC-4088-9753-86F052EC8450&displaylang=en
Example of using ASP to Web Service
http://www.4guysfromrolla.com/webtech/070302-1.shtml

Do you Have ASP Example of Automatic DID Purchase for Resellers?