Cramer Systems is a British telecommunications firm, founded in 1996 by Jon Craton, Mark Farmer and Don Gibson. The firm developed Operations support systems (OSSs) for the telecommunication industry clients such as Vodafone, KPN Telecom, and British Telecom. In August 2006 Amdocs announced the completion of the acquisition of the company. The products developed by Cramer have now been integrated into the Amdocs product suite. The company name is a combination of three letters from the names of Craton and Farmer.