On March 31, 2005, OAO Central Telegraph was awarded a certificate of management quality compliance with the requirements of ISO-9001:2000 international standard, related to telecommunication services. (Certificate ? TGA-ZM-09-99-00-38, registration date 31 March, 2005. Valid till 31 March, 2008)

Certificate audit was conducted by the auditors from internationally acknowledged accreditation system DAR. Certificates, issued under this system are highly valued in the international and European markets.

At present, certificates granted in conformity with the regulations of accrediting body DAR/TGA are recognized by all member states of the International Accreditation Forum (IAF) on quality systems: USA, Belgium, China, France, Czechia, Denmark, Malaysia, the Netherlands, Spain, Germany, Australia, New Zealand, Japan, Republic of Korea, Indonesia, Mexico and others, a total of 30 countries.