Hi, take a look of this link: http://community.netcamstudio.com/t/wansview-ncm625w-need-pan-tilt-support/842 Steve says: My problem now is that it’s required to authenticate using Digest and not Basic authentication and that the implementation of Digest on this camera looks strange (it requires the parameters to be part of the uri which is apparently not how .NET consider Digest authentication has to be sent). HTH