Rec. ITU-T F.162 (1988) – Operational requirements of an international store-and-forward facsimile switching service (COMFAX)
1 Introduction
2 Scope
3 General requirements
4 Quality of service
5 Service facilities
6 Operational requirements of nodes
7 User assistance
8 Non-delivery advice
9 Delivery confirmation
10 Call establishment procedures
11 Customer information
12 Access to facsimile message handling facilities