Question 3/IX - Quality, reliability and availability of telegraph transmission (Amalgamation of Questions 3/IX and 5/IX, 1985-1988) (Concerns Study Groups I, II, IV, VII, XVII and XVIII) What- 9. It is Further development of the technical aspects of international store and forward services, for example: a) signalling and message transfer procedures to be adopted for transit working between Administration provided systems; b)-- c)---