[...]
"The President’s proposal would allow collectors pursuing a government-backed debt, including most mortgages, unpaid taxes, and federal loans, to contact consumers via cellular phone, in an effort to secure the debt.
http://www.acaintern...-phone-21115.aspx
(Many mortgages are backed by Fanny or Freddie, no matter who the servicer is. See if yours is one: http://www.fanniemae.com/loanlookup/)