2017DIN EN ISO 18295-1:2017-10 Customer contact centres - Part 1: Requirements for customer contact centres (ISO 18295-1:2017); German version EN ISO 18295-1:2017
2017DIN EN ISO 18295-1:2017 Customer contact centres - Part 1: Requirements for customer contact centres (ISO 18295-1:2017)
1970DIN EN ISO 18295-1 E:2016-07 Customer Contact Center Part 1: Requirements for Customer Contact Centers (Draft)