Question 3/II - Network operational aspects of international telephone service (New Question 1989-1922 study period) Considering that 1. Study Group I is studying: (a) telephone services and their related human factor issues (i.e. Questions 27/I to 31/I); (b) computerized information service for telephone subscriber numbers in foreign countries (Directory Assistance) reserved for operators, (Questions 16/I and 33/I); (c) International Telecommunication Credit Card service (Question 34/I); decides that Study Group II should study the network operational aspects of international telephone service for the provision of optimum services to the customer.