The DSC also offers capabilities for the establishment of quality customer services under a trade mark “Tandem” in several key areas including service consulting (establishment of call- center s and front offices) and recruitment/training of staff for customer services. Thus, it has become now much easier to create a new Call- Centre or improve an existing one and/or promote the performance of a front office, or hire and train the service personnel. It become possible owing to the specialists of the “Tandem” service who have  long-term extensive experience in the field of creation and management of front offices and contact centers, training of service workers together with depth knowledge of computer telephony technologies. They also offer outsourcing services in this direction.