This is the public URL that does not require authenticationhttp://www.cisco.com/en/US/tech/tk801/tk36/technologies_configuration_example09186a0080093c2c.shtml
Just add .html at the end, it takes you to the release noteshttp://www.cisco.com/en/US/products/sw/voicesw/ps1860/prod_release_note09186a0080146d5c.html
There is this internal bug CSCea74483 which matches your case. This is found in 3.3(2) and fixed in 3.3(3). You should try upgrading and see if it fixes your problem.Which version of CM you are running anyway?